Dorman 630-120 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-120 Rear Axle Shaft Replacement

Dorman 630-120 is a direct replacement drive axle shaft for select Chevrolet, GMC, and Cadillac rear axle applications. It is built from carbon steel and supplied with application-specific components to restore proper axle function on vehicles with a worn or damaged rear axle shaft.

Key Features

• Direct replacement axle shaft for select rear left and rear right applications
• Carbon steel construction for strength in driveline service
• Solid shaft axle design
• 30-spline configuration with 6-lug wheel pattern
• Includes axle shaft, wheel studs, wheel nuts, bearing, and seal
• Length: 33.59 in.
• ABS tone ring not included

Detailed Product Overview

This Dorman drive axle shaft is engineered to replace the original equipment axle on select 1999-2004 Chevrolet Silverado 1500, Tahoe, Suburban 1500, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, and GMC Sierra 1500, Sierra 1500 HD, Yukon, and Yukon XL 1500 models, along with Cadillac Escalade and Escalade EXT applications. It is a practical OE-style solution for rear axle service where the original shaft has been damaged or the bearings have worn out. This part cross-references OE numbers 12471369 and 12479285 for the same application. Dorman 630-120 is built to match the required axle configuration for the listed vehicles, including 30 spline count and the specified ring gear setups noted in fitment.

What This Part Helps Address

• Rear axle shaft damage from wear, impact, or driveline stress
• Noise or vibration related to worn axle bearings
• Axle seal leakage at the rear axle assembly
• Loss of proper wheel support at the axle end
• Service needs on Chevrolet Silverado 1500 and GMC Sierra 1500 rear axle assemblies

Installation Notes and Fitment

Compatible With 1999-2004 Chevrolet Silverado 1500, rear left or rear right; 2000-2002 Chevrolet Tahoe, rear left or rear right; 2000-2002 Chevrolet Suburban 1500, rear left or rear right; 2003-2004 Chevrolet Avalanche 1500, rear left or rear right; 2003-2004 Chevrolet Avalanche 2500, rear left or rear right; 2001-2002 Chevrolet Silverado 1500 HD, rear left or rear right; 2003 Chevrolet Silverado 1500 HD, rear left or rear right; 1999-2002 GMC Sierra 1500, rear left or rear right; 2001-2002 GMC Sierra 1500 HD, rear left or rear right; 2000-2002 GMC Yukon, rear left or rear right; 2001-2002 GMC Yukon XL 1500, rear left or rear right; 2003-2004 GMC Sierra 1500, rear left or rear right; 2003-2004 GMC Yukon, rear left or rear right; 2003-2004 GMC Yukon XL 1500, rear left or rear right; 2000 and 2002 Cadillac Escalade, rear left or rear right; and 2002 Cadillac Escalade EXT, rear left or rear right.

Verify axle spline count, ring gear size, brake configuration, and position before installation. ABS tone ring is not included, so confirm the vehicle’s sensor setup and reuse or source the correct tone ring as needed for the application.

Quality Assurance

Dorman manufactures replacement driveline components to match original equipment fit and function on the listed applications. This axle shaft is built for direct replacement service on compatible Chevrolet, GMC, and Cadillac rear axle assemblies.