Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
Selectable Locker We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Selectable Locker We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! On Sale
9 Product Groups
Switch to View Products
From $1,041.20
4.5
4.5
(192)
Eaton E-Locker Differentials
Eaton E-LockerFrom $1,299.99
- Electronically-selectable differential for on-demand traction
- Provides 100% axle lock on demand via on/off switch
- Switch is dash-mountable making it easier to reach
- Most reliable on-demand differential on the market
- Allows user to send all available torque to drive wheels
- Provides maximum traction to tackle the most challenging terrain
- Beefy, forged gears for added strength and reliability
- Works in both forward and reverse
- Time-tested performance and durability
- New wiring harness designed for straightforward installation
- Minimal wiring provides a clean, snag-free installation
- California Residents: WARNING
From $1,299.99
4.0
4.0
(104)
Auburn Gear ECTED Max Differentials
Auburn Gear Auburn Gear Ected Max DifferentialFrom $1,535.99
- Engineered to switch from Limited Slip to full Locking Differential on the fly
- Smooth engagement makes it well-suited for street use
- Activated via in-vehicle switch
- Gearing manufactured from aircraft quality 9310 billet steel
- Heat treated for additional strength
- Can be used with or without lockout hubs
- No additional parts required for installation
- 1-year replacement warranty
- California Residents: WARNING
From $1,535.99
4.3
4.3
(14)
ARB Air Locker Solenoids
ARB 4x4 Accessories Solenoid ValveFrom $90.00
- Maximum PSI rating is 145 pounds
- New style
- California Residents: WARNING
From $90.00
5.0
5.0
(4)
ARB Competition Air Lockers
ARB 4x4 Accessories Competition Edition Air LockerFrom $2,465.00
- Stronger Case
- Fast Engagement
- California Residents: WARNING
From $2,465.00
ARB 4x4 Accessories Compressor Air Line Accessory kit
ARB 4x4 Accessories Compressor Air Line Accessory kitFrom $121.00
From $121.00
4.7
4.7
(6)
From $1,184.89
5.0
5.0
(2)
176 Products
Switch to View Product Groups
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Toyota 8" ELocker4 Locking Differential - 14211-1
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- Fits following Toyota trucks: 07-09 FJ Cruiser Rear
- 84-85 4Runner Front & Rear
- 86-09 4Runner Rear
- 90-15 Land Cruiser 70 Series Front
- 90-97 Land Cruiser 80 Series front
- 96-02 Land Cruiser 90 Series Rear
- 98-07 Land Cruiser 105 Series Front
- 02-09 Land Cruiser Prado 120 Series Rear
- 79-85 Pick-up Front and Rear
- 86-95 Pick-up Rear
- 10 bolt ring gear for 8" differentials
- 30 spline
- Driver controlled push-button operation
- Positive-electronic locking mechanism
- Net-forged gears for maximum strength and durability
- Sends all available torque to both wheels equally upon driver command, providing maximum traction to overcome challenging terrain
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,419.99
$1,510.63
Only 4 left in Stock ?
$1,419.99
$1,510.63
Only 4 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- Fits following Toyota trucks: 07-09 FJ Cruiser Rear
- 84-85 4Runner Front & Rear
- 86-09 4Runner Rear
- 90-15 Land Cruiser 70 Series Front
- 90-97 Land Cruiser 80 Series front
- 96-02 Land Cruiser 90 Series Rear
- 98-07 Land Cruiser 105 Series Front
- 02-09 Land Cruiser Prado 120 Series Rear
- 79-85 Pick-up Front and Rear
- 86-95 Pick-up Rear
- 10 bolt ring gear for 8" differentials
- 30 spline
- Driver controlled push-button operation
- Positive-electronic locking mechanism
- Net-forged gears for maximum strength and durability
- Sends all available torque to both wheels equally upon driver command, providing maximum traction to overcome challenging terrain
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Ford 10.25 Inch / 10.5 Inch Air Locker Differential - RD140
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- For Use With 35 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,231.00
Only 4 left in Stock ?
$1,231.00
Only 4 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- For Use With 35 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 60 35 Spline 4.56 Up Air Locking Differential - RD166
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 35 Spline Axles
- For Use With 4.56 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,231.00
In-Stock Ships next business day ?
$1,231.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 35 Spline Axles
- For Use With 4.56 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Toyota 8 Inch Air Locking Differential - RD132
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 50 mm Carrier Bearing
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 50 mm Carrier Bearing
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB AMC Model 20 3.08 Up Air Locking Differential - RD186
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 29 Spline Axles
- For Use Wih 3.08 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
Only 2 left in Stock ?
$1,091.00
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 29 Spline Axles
- For Use Wih 3.08 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 35 30 Spline 3.54 Ratio Up Air Locking Differential - RD105
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline After Market Axles
- For Use With 3.54 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
Only 2 left in Stock ?
$1,091.00
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline After Market Axles
- For Use With 3.54 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Dana 60 HD 35 Spline 4.56 & Up E-Locker - 14023-010
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Electric activation
- Switches from open to full spool
- For use with 35 spline axles
- For use with 4.56 and Up gears
- 9.75 inch ring gear size
- 1.5 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,388.99
In-Stock Ships next business day ?
$1,388.99
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Electric activation
- Switches from open to full spool
- For use with 35 spline axles
- For use with 4.56 and Up gears
- 9.75 inch ring gear size
- 1.5 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Dana 44 30 Spline 3.92 Up E-Locker - 19969-010
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- 3.92 and up gear ratios
- 8.5 inch ring gear
- Electric activation
- Switches from open to full spool
- Fastest engagement (.14 seconds)
- 1.31 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,349.99
$1,436.16
In-Stock Ships next business day ?
$1,349.99
$1,436.16
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- 3.92 and up gear ratios
- 8.5 inch ring gear
- Electric activation
- Switches from open to full spool
- Fastest engagement (.14 seconds)
- 1.31 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Toyota 10.5" ELocker4 Locking Differential - 14232-1
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits the following Toyota: 07-Current Tundra
- 10.5" differentials
- 36 spline
- Driver controlled push-button operation
- Positive-electronic locking mechanism
- Net-forged gears for maximum strength and durability
- Sends all available torque to both wheels equally upon driver command, providing maximum traction to overcome challenging terrain
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,753.99
$1,786.16
In-Stock Ships next business day ?
$1,753.99
$1,786.16
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits the following Toyota: 07-Current Tundra
- 10.5" differentials
- 36 spline
- Driver controlled push-button operation
- Positive-electronic locking mechanism
- Net-forged gears for maximum strength and durability
- Sends all available torque to both wheels equally upon driver command, providing maximum traction to overcome challenging terrain
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Dana 44 30 Spline 3.73 Down 4 Pinion E-Locker - 19977-010
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- ELocker4 differential
- For use with 30 spline axles
- 3.73 and down gear ratios
- 8.5 inch ring gear
- Electric activation
- Switches from open to full spool
- Fastest engagement (.14 seconds)
- 1.31 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,374.99
$1,462.76
In-Stock Ships next business day ?
$1,374.99
$1,462.76
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- ELocker4 differential
- For use with 30 spline axles
- 3.73 and down gear ratios
- 8.5 inch ring gear
- Electric activation
- Switches from open to full spool
- Fastest engagement (.14 seconds)
- 1.31 inch axle shaft diameter
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Eaton Dana 30 27 Spline 3.73 Up E-Locker - 19818-020
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With 3.73 And Up Gears
- Electric activation
- Switches From Open To Full Spool
- Requires use of LM102949 and LM102911 Carrier bearings
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,299.99
$1,382.97
In-Stock Ships next business day ?
$1,299.99
$1,382.97
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With 3.73 And Up Gears
- Electric activation
- Switches From Open To Full Spool
- Requires use of LM102949 and LM102911 Carrier bearings
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 60 35 Spline 4.10 Down Air Locking Differential - RD167
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 35 spline, 1.50" diameter axles
- 4.10 and down gears (4.30 and down on Ford applications)
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor sold separately
- Note: see instruction file for application listings
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,231.00
In-Stock Ships next business day ?
$1,231.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 35 spline, 1.50" diameter axles
- 4.10 and down gears (4.30 and down on Ford applications)
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor sold separately
- Note: see instruction file for application listings
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB GM 10.5 Inch 14 Bolt 4.10 Ratio Down Air Locking Differential - RD114
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Down Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,231.00
In-Stock Ships next business day ?
$1,231.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Down Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB AAM 11.5 Inch Air Locking Differential - RD139
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,158.00
In-Stock Ships next business day ?
$1,158.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 44 30 Spline 3.92 Ratio Up Air Locking Differential - RD116
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- For use with 3.92 and up gears
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor sold separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- For use with 3.92 and up gears
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor sold separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 44 30 Spline 3.73 Ratio Down Air Locking Differential - RD117
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- For use with 3.73 and down gears
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor - sold separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For use with 30 spline axles
- For use with 3.73 and down gears
- Air activated selectable locker
- Converts from open differential to fully locked or spool
- Simple push button operation
- Requires air compressor - sold separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Dana 35 27 Spline 3.54 Ratio Up Air Locking Differential - RD102
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With 3.54 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With 3.54 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Toyota 8 Inch IFS Tacoma FJ Air Locking Differential - RD111
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.91 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.91 And Up Gears
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Ford 8.8 Inch 31 Spline Air Locking Differential - RD81
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
Only 4 left in Stock ?
$1,091.00
Only 4 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Toyota Tacoma 7.5 Inch Reverse Air Locking Differential - RD90
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 27 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Chrysler 8.25 Inch 29 Spline Air Locking Differential - RD93
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 29 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,091.00
In-Stock Ships next business day ?
$1,091.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- For Use With 29 Spline Axles
- For Use With All Ratios
- Air Activated Selectable Locker
- Converts From Open Differential To fully Locked Or Spool
- Simple Push Button Operation
- Requires Air Compressor Sold Separately
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Housing Seal Kit - 081803SP
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits RD109, RD113, RD116, and RD117
- Service part
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$121.00
In-Stock Ships next business day ?
$121.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits RD109, RD113, RD116, and RD117
- Service part
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Solenoid Valve - 180103SP
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Maximum PSI rating is 145 pounds
- New style for Part #73252 Air Compressor
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping on Orders Over $99
$90.00
In-Stock Ships next business day ?
$90.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Maximum PSI rating is 145 pounds
- New style for Part #73252 Air Compressor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Part Number: YKGYPPF9.75E-34-A
Yukon Gear & Axle Ford 9.75 34 Spline Electric Locker - YPPF9.75E-34-A
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- 11-17 Ford F-150
- 9.75" diff
- Electronic Locking Differential/Carrier
- 34 spline
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$1,275.89
Only 1 left in Stock ?
$1,275.89
Only 1 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- 11-17 Ford F-150
- 9.75" diff
- Electronic Locking Differential/Carrier
- 34 spline
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
