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USA Standard Gear
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Drivetrain & Differential

Other USA Standard Gear Drivetrain & Differential

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USA Standard Gear Differential Master Overhaul Kits

From $262.89

USA Standard Gear Spartan Lockers

From $647.89

USA Standard Gear Ring & Pinion Sets

From $426.89

6 Products

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USA Standard Suzuki Samurai Master Overhall Kit - ZKISAM

Part Number: UZGZKISAM

USA Standard Suzuki Samurai Master Overhall Kit - ZKISAM

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Fitment: Universal Fit
Fits Suzuki Samurai
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and silicone
California Residents: WARNING

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$262.89

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USA Standard Suzuki Samurai Master Overhall Kit - ZKISAM

Part #: UZGZKISAM

$262.89

On Backorder

Email me when this product comes in stock

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EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

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On Backorder

Fitment: Universal Fit
Fits Suzuki Samurai
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and silicone
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

Lowest Price! Guaranteed! Request A Price Match

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USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

Part Number: UZGSLNPATROL-31

USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

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Fitment: Universal Fit
Nissan H233B
31 spline axles
Front
Includes heavy-duty cross pin shaft
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case
5 year warranty against manufacturer defects
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

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$647.89

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USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

Part #: UZGSLNPATROL-31

$647.89

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

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Fitment: Universal Fit
Nissan H233B
31 spline axles
Front
Includes heavy-duty cross pin shaft
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case
5 year warranty against manufacturer defects
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!

No, thanks

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USA Standard 20145 Rear 4.88 Ring and Pinion Gear Set - ZGTLC-488

Part Number: UZGZGTLC-488

USA Standard 20145 Rear 4.88 Ring and Pinion Gear Set - ZGTLC-488

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How to Get it

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Fitment: Universal Fit
Meritor/Rockwell 20145
Rear
4.88 gear ratio
Engineered for the harshest conditions
California Residents: WARNING

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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

$426.89

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USA Standard 20145 Rear 4.88 Ring and Pinion Gear Set - ZGTLC-488

Part #: UZGZGTLC-488

$426.89

On Backorder

Email me when this product comes in stock

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EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

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Fitment: Universal Fit
Meritor/Rockwell 20145
Rear
4.88 gear ratio
Engineered for the harshest conditions
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!

No, thanks

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Part Number: UZGZKAAM11.5-C

USA Standard 2014+ Ram 2500 11.5" Master Overhall Kit - ZKAAM11.5-C

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

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Fitment: Universal Fit
Master Overhaul Kit
2014 & Up RAM 2500 11.5"
Rear
Fits 2014+ 11.5" gear w/ 2.125" inner & 2.000" outer pinion bearing journals
The Most Comprehensive and Complete Master Rebuild Kit on the Market
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

$534.89

On Backorder

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USA Standard 2014+ Ram 2500 11.5" Master Overhall Kit - ZKAAM11.5-C

Part #: UZGZKAAM11.5-C

$534.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Master Overhaul Kit
2014 & Up RAM 2500 11.5"
Rear
Fits 2014+ 11.5" gear w/ 2.125" inner & 2.000" outer pinion bearing journals
The Most Comprehensive and Complete Master Rebuild Kit on the Market
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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

Reset Password

An email is sent to .

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Email*

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Part Number: UZGZKC8.0-IFS-C

USA Standard Chrysler 8.0" Master Overhall Kit - ZKC8.0-IFS-C

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How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

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Fitment: Universal Fit
Master Overhaul Kit
2002-2011 RAM 1500 8.0"
Front
IFS
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

$484.89

On Backorder

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USA Standard Chrysler 8.0" Master Overhall Kit - ZKC8.0-IFS-C

Part #: UZGZKC8.0-IFS-C

$484.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Master Overhaul Kit
2002-2011 RAM 1500 8.0"
Front
IFS
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!

No, thanks