Dorman 630-146 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-146 Rear Axle Shaft

Dorman 630-146 is a direct replacement drive axle shaft for select Chevrolet Silverado 1500 Classic, GMC Sierra 1500 Classic, Cadillac Escalade, and related GM trucks and SUVs. Built from carbon steel and supplied with application-specific installation components, it addresses worn bearings or a damaged axle shaft with an OE-style replacement.

• Direct replacement drive axle shaft for rear left and rear right applications
• Carbon steel construction for strength in driveline service
• 30-spline solid shaft axle design
• 33.58 in. overall length
• 6-hole / 6-lug configuration
• ABS tone ring not included
• Package contents: axle shaft, wheel studs, wheel nuts, bearing and seal

Fitment and Application Details

Compatible with 2003-2007 GM full-size trucks and SUVs with the listed rear axle configurations, including 2003-2006 Cadillac Escalade, Escalade ESV, and Escalade EXT; 2003-2006 Chevrolet Avalanche 1500, Suburban 1500, Tahoe, Silverado 1500, Silverado 1500 HD, and Silverado 1500 Classic; 2003-2006 GMC Yukon, Yukon XL 1500, Sierra 1500, Sierra 1500 HD, and Sierra 1500 Classic; plus 2007 Chevrolet Silverado 1500 Classic, Silverado 1500 HD Classic, GMC Sierra 1500 Classic, and Sierra 1500 HD Classic. This part cross-references OE numbers 12479285 and AXK164 for the same application.

What This Axle Shaft Helps Fix

• Rear axle shaft damage from wear, impact, or driveline failure
• Noise or vibration caused by a worn axle shaft or bearing surface
• Seal leakage at the axle end when the original shaft surface is compromised
• Loss of proper wheel support from deteriorated axle-related components
• Service issues on GM rear axle assemblies with the specified ring gear and brake-control configurations

Installation Notes and Tips

Verify rear left or rear right position, ring gear size, and vehicle configuration before ordering. Confirm whether the vehicle uses Active Brake Control or the listed non-Positraction setup, since fitment varies by application. Inspect the axle housing, seal surface, and bearing condition during installation to help ensure a proper repair. Dorman 630-146 is a direct replacement axle shaft for select Chevrolet Silverado 1500 and GMC Sierra 1500 applications, as well as Cadillac Escalade and related models.

Quality Assurance

Dorman engineers this axle shaft as an OE-style replacement for the original equipment on the listed vehicles. The design follows the application-specific requirements needed for a proper driveline repair on compatible Chevrolet, GMC, and Cadillac rear axle assemblies.