Dorman 630-637 Drive Axle Shaft Assembly - Front Right Inner

Dorman 630-637 Front Right Inner Axle Shaft

Dorman 630-637 is a direct replacement drive axle shaft assembly for the front right inner position on select GM full-size SUVs and pickups. It is built from steel and supplied ready for installation, making it a practical solution when the original axle shaft is damaged or the bearings are worn.

Use this axle shaft assembly for service on 2012-2014 Chevrolet Silverado 1500, Tahoe, Suburban 1500, Avalanche, Cheyenne, and 2012-2014 GMC Sierra 1500, Yukon, Yukon XL 1500, plus 2012-2013 Cadillac Escalade applications with the listed fitment details.

Key Features

• Direct replacement drive axle shaft assembly for the front right inner position
• Steel shaft construction for OE-style service replacement
• 360 mm shaft length with 30.5 mm shaft diameter
• 28 inboard splines
• Package contents: inner axle shaft
• Interchanges with part number 22761721

Detailed Description

This Dorman axle shaft assembly is engineered to replace the original equipment unit on select vehicles with independent front suspension (IFS) differential case design. It is intended for applications where the axle shaft has failed, the shaft is damaged, or the bearings have worn out. The assembly is supplied as an inner axle shaft and does not include wheel studs, ABS tone ring, hub bearing, axle shaft seal, brake hardware, brake dust shield, or brake backing plate.

For fitment-specific service, this part fits 2014 Chevrolet Suburban 1500, front right inner; 2014 Chevrolet Tahoe, front right inner; 2014 GMC Yukon, front right inner; 2014 GMC Yukon XL 1500, front right inner; 2013 Cadillac Escalade, front right inner; 2013 Chevrolet Avalanche, front right inner; 2013 Chevrolet Cheyenne, front right inner; 2013 Chevrolet Silverado 1500, front right inner; 2013 GMC Sierra 1500, front right inner; and 2012 models with differential casting no. 40089885 in the same front right inner position. This part cross-references 22761721 for the same application.

What It Helps Fix

• Broken or bent front right inner axle shaft
• Noise or vibration related to a worn axle shaft assembly
• Driveline issues caused by damaged shaft splines
• Service needs after axle shaft or bearing wear
• Replacement of a failed OE inner axle shaft on GM 4x4 front suspension applications

Installation Notes and Tips

Verify the front right inner position, shaft length, spline count, and differential casting number before ordering. This assembly is not adjustable and does not include axle shaft seals or hub bearings, so inspect related components during service. Confirm the vehicle’s exact year, model, and 2012 casting requirement where applicable before installation.

Quality Assurance

Dorman manufactures this axle shaft assembly as a direct OE-style replacement for select GM applications, with fitment and dimensions matched to the listed vehicles and configuration.