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11 Product Groups
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Auburn Gear ECTED Max Differentials
Auburn Gear Auburn Gear Ected Max DifferentialFrom $1,558.99
- 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 $1,558.99
4.3
4.3
(14)
Dana Spicer Differential Carriers
Dana Spicer Differential CarriersFrom $378.99
- Cast from aircraft grade aluminum
- Fits Standard pinion support
- Billet Spanner nuts for strength
- Double rib design for strength
- California Residents: WARNING
From $378.99
Power Trax No-Slip Traction Systems
Power Trax No-Slip Traction SystemsFrom $743.99
- The Powertrax No-Slip Traction Systems are the latest design in traction-adding differential technology. They combine the smooth operation of a limited-slip differential with the traction performance of a locking differential. A precise synchronization mechanism eliminates the ratcheting sounds typical of other locking differentials. Installation is simple because no ring and pinion setup is required. In addition, no special tools or oils are needed.
- California Residents: WARNING
From $743.99
4.2
4.2
(66)
Alloy USA Rear Axle Shafts
Alloy USA Rear Axle ShaftsFrom $120.99
- Replacement Axle Shaft
- Stronger Than Factory
- Precision Heat Treated
- Rolled Splines
- California Residents: WARNING
From $120.99
3.8
3.8
(88)
Dana Spicer Differential Cover Gaskets
Dana Spicer High Performance Dana 30 Differential Cover GasketFrom $20.99
- Differential Cover Gaskets
- High performance gasket for maximum durability
- Anti-stick coating on the outside
- Woven steel core at the center
- Easy repair on the trail
- Made in the USA
- California Residents: WARNING
From $20.99
4.5
4.5
(2)
Dana Spicer Differential Crush Sleeves
Dana Spicer Dana 30 Crush SleeveFrom $24.99
- Crush Sleeves
- Maintains Proper Pinion Bearing Preload
- Direct replacement
- For most late model axles equipped with factory crush sleeves
- California Residents: WARNING
From $24.99
5.0
5.0
(1)
Motive Gear Full Spools
Motive Gear Chrysler 8.750in. 30 Spline Full SpoolFrom $166.99
- If you are looking for maximum traction and strength nothing beets a full spool.
- Not Recommended For Street Use
- California Residents: WARNING
From $166.99
Motive Gear Mini Spools
Motive Gear Chrysler 8.750in. Mini SpoolFrom $33.99
- If you are looking for maximum traction and strength nothing beets a full spool.
- Not Recommended For Street Use
- California Residents: WARNING
From $33.99
3.8
3.8
(5)
Auburn Gear Grip-N-Loc Series Limited Slip Differentials
Auburn Gear Grip-N-Loc Series Limited Slip DifferentialsFrom $673.99
- Upgrades vehicles for safe transfer of increased power/torque across the axle
- Case material is up to 50% stronger than OE cases
- Advanced cone clutch technology provides 25% increase in bias ratio/increased traction
- Exclusive 2-year warranty
From $673.99
5.0
5.0
(1)
From $614.89
5.0
5.0
(1)
28 Products
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4WP PROTECTION PLAN
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Auburn Gear Ford 8.8in. 28 Spline Ected Max Selectable Locker - 545001
- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,558.99
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$1,558.99
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- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
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Auburn Gear Ford 8.8in. 31 Spline Ected Max Selectable Locker - 545002
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Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,659.99
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Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
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Auburn Gear Ford 8.8in. IRS 31 Spline Ected Max Selectable Locker - 545005
- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,741.99
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$1,741.99
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- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Ratios
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
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4WP PROTECTION PLAN
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Auburn Gear Grip-N-Loc Limited Slip Differential - 546023
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
- Ford 7.5" 10 Bolt, 28T, 78-Current
- Upgrades vehicles for safe transfer of increased power/torque across the axle
- Case material is Up to 50% stronger than OE cases
- Advanced cone clutch technology provides 25% increase in bias ratio/increased traction
- Exclusive 2 year warranty
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$764.99
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$764.99
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Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Ford 7.5" 10 Bolt, 28T, 78-Current
- Upgrades vehicles for safe transfer of increased power/torque across the axle
- Case material is Up to 50% stronger than OE cases
- Advanced cone clutch technology provides 25% increase in bias ratio/increased traction
- Exclusive 2 year warranty
- California Residents: WARNING + View More Specs - View Less Specs
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Auburn Gear Grip-N-Loc Limited Slip Differential - 546080
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
- Ford 8.8" 10 Bolt, 28T, 79-Current
- Upgrades vehicles for safe transfer of increased power/torque across the axle
- Case material is Up to 50% stronger than OE cases
- Advanced cone clutch technology provides 25% increase in bias ratio/increased traction
- Exclusive 2 year warranty
- California Residents: WARNING + View More Specs - View Less Specs
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$673.99
In-Stock Ships next business day ?
$673.99
In-Stock Ships next business day
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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
- Ford 8.8" 10 Bolt, 28T, 79-Current
- Upgrades vehicles for safe transfer of increased power/torque across the axle
- Case material is Up to 50% stronger than OE cases
- Advanced cone clutch technology provides 25% increase in bias ratio/increased traction
- Exclusive 2 year warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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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!
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Alloy USA Ford 8.8 Rear Axle Shaft - 15115
- Fitment: Direct Fit
- Replacement Axle Shaft
- Ford 8.8
- 31 Spline
- Driver Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 95-00 Ford Explorer
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$146.99
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$146.99
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- Fitment: Direct Fit
- Replacement Axle Shaft
- Ford 8.8
- 31 Spline
- Driver Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 95-00 Ford Explorer
- California Residents: WARNING + View More Specs - View Less Specs
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Alloy USA Ford 8.8 Rear Axle Shaft - 15139
- Fitment: Direct Fit
- Replacement Axle Shaft
- Ford 8.8
- 28 Spline
- Passenger Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 93-97 Ford Ranger
- California Residents: WARNING + View More Specs - View Less Specs
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$120.99
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$120.99
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- Fitment: Direct Fit
- Replacement Axle Shaft
- Ford 8.8
- 28 Spline
- Passenger Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 93-97 Ford Ranger
- California Residents: WARNING + View More Specs - View Less Specs
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Dana Spicer Ford 10.25" Differential Cover Gasket - RD52002
- Fitment: Universal Fit
- Ford 10.25/10.5 Axle
- Bolt hole qty : 12
- Victocore material
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$24.99
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- Fitment: Universal Fit
- Ford 10.25/10.5 Axle
- Bolt hole qty : 12
- Victocore material
- California Residents: WARNING + View More Specs - View Less Specs
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Dana Spicer High Performance Ford 9 Inch Differential Cover Gasket - RD52004
- Fitment: Universal Fit
- High performance gasket for maximum durability
- Anti-Stick Coating on the Outside
- Woven steel core at the center
- Easy repair on the trail
- Made in the U.S.A
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$32.99
$25.34
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- Fitment: Universal Fit
- High performance gasket for maximum durability
- Anti-Stick Coating on the Outside
- Woven steel core at the center
- Easy repair on the trail
- Made in the U.S.A
- California Residents: WARNING + View More Specs - View Less Specs
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4WP PROTECTION PLAN
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Dana Spicer High Performance Ford 8.8 Inch Differential Cover Gasket - RD52005
- Fitment: Universal Fit
- High performance gasket for maximum durability
- Anti-Stick Coating on the Outside
- Woven steel core at the center
- Easy repair on the trail
- Made in the U.S.A
- California Residents: WARNING + View More Specs - View Less Specs
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$20.99
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$20.99
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- Fitment: Universal Fit
- High performance gasket for maximum durability
- Anti-Stick Coating on the Outside
- Woven steel core at the center
- Easy repair on the trail
- Made in the U.S.A
- California Residents: WARNING + View More Specs - View Less Specs
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4WP PROTECTION PLAN
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Dana Spicer Ford 8.8" Differential Spool - 10002214
- Fitment: Direct Fit
- Ford 8.8" axle
- 31 Spline
- Full spool
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- C-clip eliminator kit - required
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- Fitment: Direct Fit
- Ford 8.8" axle
- 31 Spline
- Full spool
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- C-clip eliminator kit - required
- California Residents: WARNING + View More Specs - View Less Specs
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Dana Spicer Ford 9" Differential Spool - 10002219
- Fitment: Direct Fit
- Ford 9" axle
- 28 Spline
- Full spool
- For lightweight design
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
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- Fitment: Direct Fit
- Ford 9" axle
- 28 Spline
- Full spool
- For lightweight design
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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Dana Spicer Ford 9" Differential Spool - 2022499
- Fitment: Direct Fit
- Ford 9" axle
- 35 Spline
- Full spool
- For lightweight design
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
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$351.99
$363.62
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$363.62
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- Fitment: Direct Fit
- Ford 9" axle
- 35 Spline
- Full spool
- For lightweight design
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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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!
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Dana Spicer Ford 9" Differential Spool - 2022501
- Fitment: Direct Fit
- Ford 9" axle
- 31 Spline
- Full spool
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
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$259.99
$268.38
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$259.99
$268.38
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- Fitment: Direct Fit
- Ford 9" axle
- 31 Spline
- Full spool
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
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!
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Dana Spicer Ford 9" Differential Spool - 2023544
- Fitment: Direct Fit
- Ford 9" axle
- 35 Spline
- Full spool
- Not for lightweight deisgn
- For 2.8" or 3.0" case
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
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$426.99
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$426.99
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- Fitment: Direct Fit
- Ford 9" axle
- 35 Spline
- Full spool
- Not for lightweight deisgn
- For 2.8" or 3.0" case
- Cover bolt hole qty: 10
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
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Dana Spicer Ford 9" Differential Mini Spool - 10015391
- Fitment: Direct Fit
- Ford 9" axle
- 31 Spline
- Mini spool
- Heat treated Chromoly construciton
- Black finish
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$56.99
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$56.99
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- Fitment: Direct Fit
- Ford 9" axle
- 31 Spline
- Mini spool
- Heat treated Chromoly construciton
- Black finish
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
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!
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Dana Spicer Ford 9" Differential Carrier - 10019424
- Fitment: Universal Fit
- Ford 9" axle
- Rear
- Cover bolt qty: 10
- Unloaded carrier type
- Does not include bearings
- Ring gear bolt qty: 10
- Additional note: 28 or 31 spline with 2 pinions
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$378.99
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$378.99
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- Fitment: Universal Fit
- Ford 9" axle
- Rear
- Cover bolt qty: 10
- Unloaded carrier type
- Does not include bearings
- Ring gear bolt qty: 10
- Additional note: 28 or 31 spline with 2 pinions
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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Dana Spicer Ford 10.25 Differential Carrier - 10019426
- Fitment: Universal Fit
- Ford 10.25/10.50 axle
- Rear
- Cover bolt qty: 12
- Differential case split: none
- Unloaded carrier type
- Standard differential type
- Unloaded carrier
- Does not include bearings
- Ring gear bolt qty: 12
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$396.99
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$396.99
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- Fitment: Universal Fit
- Ford 10.25/10.50 axle
- Rear
- Cover bolt qty: 12
- Differential case split: none
- Unloaded carrier type
- Standard differential type
- Unloaded carrier
- Does not include bearings
- Ring gear bolt qty: 12
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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Power Trax Ford 9 Inch 35 Spline Grip PRO Traction System - GT109035-45
- Fitment: Universal Fit
- Rear axle
- Axle shaft diameter: 1.5 inches
- Axle type: For 45 degree spline axles (Mark Williams style)
- 3.25 inch caps
- Differential case design type: Ford 9 inch
- Spline quantity: 35
- Comes fully assembled
- Traction adding differential technology
- Delivers automatic mechanically actuated traction
- Housed in a fully machined, forged steel case
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$743.99
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$743.99
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- Fitment: Universal Fit
- Rear axle
- Axle shaft diameter: 1.5 inches
- Axle type: For 45 degree spline axles (Mark Williams style)
- 3.25 inch caps
- Differential case design type: Ford 9 inch
- Spline quantity: 35
- Comes fully assembled
- Traction adding differential technology
- Delivers automatic mechanically actuated traction
- Housed in a fully machined, forged steel case
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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4WP PROTECTION PLAN
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Yukon Gear & Axle Left Hand Rear Axle (38.25" Long) - YAF975016
- Fitment: Universal Fit
- Fits 2010-2011 Ford SVT RAPTOR ONLY
- Left hand side
- 38.25" long
- 34 spline
- 1.705" bearing journal
- 6 lug
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$614.89
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$614.89
$614.89
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- Fitment: Universal Fit
- Fits 2010-2011 Ford SVT RAPTOR ONLY
- Left hand side
- 38.25" long
- 34 spline
- 1.705" bearing journal
- 6 lug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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4WP PROTECTION PLAN
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Motive Gear Ford 8.8 Inch 31 Spline Full Spool - FS8.8-31
- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Gears
- Requires Use
- Of C-Clip Eliminator Kit
- Not Recommended For Street Use
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$190.99
$308.50
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$190.99
$308.50
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- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Gears
- Requires Use
- Of C-Clip Eliminator Kit
- Not Recommended For Street Use
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
4WP PROTECTION PLAN
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Motive Gear Ford 9 Inch 28 Spline Light Weight Full Spool - FS9-28LW
- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Gears
- For Use In 3.062 Case Bore
- Not Recommended For Street Use
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$206.99
$271.61
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$206.99
$271.61
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- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Gears
- For Use In 3.062 Case Bore
- Not Recommended For Street Use
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
4WP PROTECTION PLAN
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Motive Gear Ford 9 Inch 31 Spline Light Weight Full Spool - FS9-31LW
- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Gears
- For Use In 3.062 Case Bore
- Not Recommended For Street Use
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$166.99
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- Fitment: Universal Fit
- For Use With 31 Spline Axles
- For Use With All Gears
- For Use In 3.062 Case Bore
- Not Recommended For Street Use
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
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!
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Motive Gear Ford 8.8 Inch 28 Spline Mini Spool - MS88-28
- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Gears
- Use
- Of C Clip Eliminator Recommended
- For Use In Open Differential Case Only
- Not Recommended For Street Use
- California Residents: WARNING + View More Specs - View Less Specs
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$98.99
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$98.99
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- Fitment: Universal Fit
- For Use With 28 Spline Axles
- For Use With All Gears
- Use
- Of C Clip Eliminator Recommended
- For Use In Open Differential Case Only
- Not Recommended For Street Use
- California Residents: WARNING + View More Specs - View Less Specs
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