Dorman 630-604A Rear Right Axle Shaft

Dorman 630-604A is a direct replacement drive axle shaft for select GM full-size SUV applications with a rear right position. It is built for vehicles that need an axle shaft replacement due to damage or worn bearings, and it follows the original equipment layout for the listed fitments.

• Direct replacement drive axle shaft for the rear right side
• Solid shaft axle construction with 28 inboard splines
• 34 mm diameter and 31.42 in. length
• Galvanized finish with carbon steel construction
• 6 x 127 mm wheel bolt pattern and 6 lug wheel pattern
• Fits GM 10-bolt differential case design applications
• No CV joints, axle nut, ABS tone ring, retainer, or wheel studs included

Fitment Details

Compatible with select Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Oldsmobile Bravada rear right applications. Fits 2007-2009 Chevrolet Trailblazer, rear right, w/17 In. Wheels; Fits 2007-2009 GMC Envoy, rear right, w/17 In. Wheels; Fits 2007 Buick Rainier, rear right, Exc. Positraction; Fits 2006 Buick Rainier, rear right, w/4.10 Axle Ratio; Fits 2004 Buick Rainier, rear right, w/4.10 Axle Ratio; Fits 2006 Chevrolet Trailblazer, rear right, w/4.10 Axle Ratio; Fits 2006 GMC Envoy, rear right, wo/4.10 Axle Ratio; Fits 2005 Buick Rainier, rear right, Does Not Include Bearing, Seal, or Hardware; Fits 2002-2005 Chevrolet Trailblazer, rear right, Does Not Include Bearing, Seal, or Hardware; Fits 2002-2005 GMC Envoy, rear right, Does Not Include Bearing, Seal, or Hardware; Fits 2002-2004 Oldsmobile Bravada, rear right, Does Not Include Bearing, Seal, or Hardware.

What This Axle Shaft Helps Address

• Broken or damaged rear axle shaft
• Noise or vibration related to axle wear
• Axle service needs after bearing wear
• Replacement for vehicles with the listed differential and wheel configurations
• Restoration of rear wheel drive function on the specified applications

Installation Notes

Verify rear right fitment, wheel size, axle ratio, and differential configuration before installation. This axle shaft does not include bearing, seal, hardware, axle nut, ABS tone ring, wheel studs, or retainer components, so existing service parts must be evaluated separately. This part cross-references OE number 19133410 for the same application.

Quality Assurance

Dorman manufactures this axle shaft as an OE-style replacement for the listed vehicles, using application-specific dimensions and construction details to match the original setup. Part number 630-604A is intended to restore proper axle function on the confirmed fitments.