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Rugged Ridge
USA Standard Gear
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Drivetrain & Differential

Rear Rugged Ridge/USA Standard Gear Drivetrain & Differential

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Rugged Ridge
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Rear Rugged Ridge/USA Standard Gear Drivetrain & Differential

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Rugged Ridge Heavy Duty Differential Covers

Rugged Ridge Heavy Duty Differential Cover

From $119.99

Dana 35
3/8 inch thick Black Steel
Virtually indestructible
California Residents: WARNING

From $119.99

5.0 5.0 (8)

Rebate

USA Standard Gear and Install Kit Packages

From $1,025.89

Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly
Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price
The Gear and Install Kit Includes Axle Bearings & Seals
The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD)
All positraction units are fully rebuildable

From $1,025.89

USA Standard Gear Ring & Pinion Sets

From $351.89

USA Standard Gear Differential Master Overhaul Kits

From $178.89

USA Standard Gear Axle Shafts

USA Standard Axle Shafts

From $151.89

Available in different sizes
With or without ABS ring
5 year warranty against manufacturer defects

From $151.89

301 Products

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Part Number: UZGZGK2217

USA Standard Ford 8.8" Rear 3.55 Gear and Install Kit Package - ZGK2217

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Fitment: Universal Fit
3.55 ring and pinion gear set
For applications with 10 bolt rear cover and 10 bolt ring gear
Inner pinion bearing has a 3.250" outside diameter
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
The ring gear diameter is 8.8"
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USA Standard Ford 8.8" Rear 3.55 Gear and Install Kit Package - ZGK2217

Part #: UZGZGK2217

1.0 1.0 (1)

$517.89

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Fitment: Universal Fit
3.55 ring and pinion gear set
For applications with 10 bolt rear cover and 10 bolt ring gear
Inner pinion bearing has a 3.250" outside diameter
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
The ring gear diameter is 8.8"
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

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Rugged Ridge Boulder Aluminum Dana 35 Differential Cover - 16595.14

Part Number: RUG16595.14

Rugged Ridge Boulder Aluminum Dana 35 Differential Cover - 16595.14

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Fitment: Universal Fit
Dana 35 rear axle
High strength cast aluminum
Matte Black
Precision machined sealing surface
Comes complete with a magnetic drain plug
Includes specially designed dipstick bolt
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$119.99

$131.00

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Rugged Ridge Boulder Aluminum Dana 35 Differential Cover - 16595.14

Part #: RUG16595.14

$119.99

$131.00

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Fitment: Universal Fit
Dana 35 rear axle
High strength cast aluminum
Matte Black
Precision machined sealing surface
Comes complete with a magnetic drain plug
Includes specially designed dipstick bolt
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Receive a $20 Rebate when you purchase at least $99 of Rugged Ridge Products - Rebate Learn More

Lowest Price! Guaranteed! Request A Price Match

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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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Rugged Ridge AMC Model 20 Cast Iron Cover - 16595.20

Part Number: RUG16595.20

Rugged Ridge AMC Model 20 Cast Iron Cover - 16595.20

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Fitment: Universal Fit
For Use On AMC Model 20 Rear Axles
Black painted finish
Ribbed For Extra Strength
Includes mounting hardware
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$199.99

$214.50

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Rugged Ridge AMC Model 20 Cast Iron Cover - 16595.20

Part #: RUG16595.20

$199.99

$214.50

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Fitment: Universal Fit
For Use On AMC Model 20 Rear Axles
Black painted finish
Ribbed For Extra Strength
Includes mounting hardware
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping

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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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Rugged Ridge Dana 35 Cast Iron Cover - 16595.35

Part Number: RUG16595.35

Rugged Ridge Dana 35 Cast Iron Cover - 16595.35

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Fitment: Universal Fit
For Use On Dana 35 Rear Axles
Black painted finish
Ribbed For Extra Strength
Includes mounting hardware
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

Receive a $20 Rebate when you purchase at least $99 of Rugged Ridge Products - Rebate Learn More

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$119.99

$178.18

Only 3 left in Stock ?

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Rugged Ridge Dana 35 Cast Iron Cover - 16595.35

Part #: RUG16595.35

$119.99

$178.18

Only 3 left in Stock ?

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EASY RETURNS

How to Get it

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

Ship to Home:

Only 3 left in Stock ?

Fitment: Universal Fit
For Use On Dana 35 Rear Axles
Black painted finish
Ribbed For Extra Strength
Includes mounting hardware
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Receive a $20 Rebate when you purchase at least $99 of Rugged Ridge Products - Rebate Learn More

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!

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Part Number: UZGZGGM11.5-373

USA Standard GM and Chrysler 11.5" Rear 3.73 Ring and Pinion Gear Set - ZGGM11.5-373

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Fitment: Universal Fit
Fits GM and Chrysler 11.5"
11.50" ring gear diameter
30 spline pinion
12 ring gear bolts
3.73 ratio
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$561.89

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USA Standard GM and Chrysler 11.5" Rear 3.73 Ring and Pinion Gear Set - ZGGM11.5-373

Part #: UZGZGGM11.5-373

$561.89

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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
Fits GM and Chrysler 11.5"
11.50" ring gear diameter
30 spline pinion
12 ring gear bolts
3.73 ratio
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

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Part Number: UZGZGK2224

USA Standard Ford 8.8" Rear 4.11 Gear and Install Kit Package with 28 Spline Positraction - ZGK2224

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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
4.11 ring and pinion gear set
For applications with 10 bolt rear cover and 10 bolt ring gear
Inner pinion bearing has a 3.250" outside diameter
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
The gear and install kit includes Yukon Dura Grip Clutch Style Limited Slip (LSD)
All positraction units are fully rebuildable
The ring gear diameter is 8.8"
2.25" axle bearings
California Residents: WARNING

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$1,243.89

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USA Standard Ford 8.8" Rear 4.11 Gear and Install Kit Package with 28 Spline Positraction - ZGK2224

Part #: UZGZGK2224

$1,243.89

On Backorder

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EASY RETURNS

How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
4.11 ring and pinion gear set
For applications with 10 bolt rear cover and 10 bolt ring gear
Inner pinion bearing has a 3.250" outside diameter
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
The gear and install kit includes Yukon Dura Grip Clutch Style Limited Slip (LSD)
All positraction units are fully rebuildable
The ring gear diameter is 8.8"
2.25" axle bearings
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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Part Number: UZGZGK2225

USA Standard GM 8.875" Rear 12T 3.08 Gear and Install Kit Package - ZGK2225

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

Ship to Home:

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Fitment: Universal Fit
3.08 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
California Residents: WARNING

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$594.89

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USA Standard GM 8.875" Rear 12T 3.08 Gear and Install Kit Package - ZGK2225

Part #: UZGZGK2225

$594.89

On Backorder

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How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
3.08 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
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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Part Number: UZGZGK2226

USA Standard GM 8.875" Rear 12T 3.42 Gear and Install Kit Package - ZGK2226

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

Ship to Home:

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Fitment: Universal Fit
3.42 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$571.89

On Backorder

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USA Standard GM 8.875" Rear 12T 3.42 Gear and Install Kit Package - ZGK2226

Part #: UZGZGK2226

$571.89

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
3.42 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
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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Part Number: UZGZGK2227

USA Standard GM 8.875" Rear 12T 3.73 Gear and Install Kit Package - ZGK2227

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How to Get it

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

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On Backorder

Fitment: Universal Fit
3.73 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 3.73 and up gear ratio
The ring gear diameter is 8.875"
California Residents: WARNING

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PROMOTIONS AUTOMATICALLY APPLIED

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$577.89

On Backorder

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LOW PRICE GUARANTEE

EASY RETURNS

USA Standard GM 8.875" Rear 12T 3.73 Gear and Install Kit Package - ZGK2227

Part #: UZGZGK2227

$577.89

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
3.73 ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 3.73 and up gear ratio
The ring gear diameter is 8.875"
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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Part Number: UZGZGK2228

USA Standard GM 8.875" Rear 12T Thick 3.73 Gear and Install Kit Package - ZGK2228

Be the first to review

How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
3.73 thick ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$577.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

USA Standard GM 8.875" Rear 12T Thick 3.73 Gear and Install Kit Package - ZGK2228

Part #: UZGZGK2228

$577.89

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
3.73 thick ring and pinion gear set
For applications with 12 bolt rear cover and 12 bolt ring gear
Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts
The gear and install kit includes axle bearings and seals
Fits carrier cases designed for 2.76- 3.42 gear ratio
The ring gear diameter is 8.875"
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

Item added to Cart.

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