Dorman 630-121 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-121 Drive Axle Shaft

Dorman 630-121 is a direct replacement drive axle shaft for select GM full-size trucks and SUVs. It is built from carbon steel and supplied with application-specific components to match the original axle shaft setup on supported vehicles.

Key Features

• Direct replacement axle shaft for rear axle service
• Carbon steel construction for strength and durability
• 30-spline solid shaft axle design
• 33-inch overall length
• 6-lug wheel pattern with 6 wheel studs and wheel nuts specified in the package contents
• Bearing and seal included in the package contents
• ABS tone ring not included

Detailed Description

This Dorman drive axle shaft is engineered for select applications where the original axle shaft is damaged or the bearings are worn. It is a direct OE-style replacement for rear left and rear right positions on vehicles such as the Chevrolet Tahoe, GMC Yukon, Cadillac Escalade, Chevrolet K1500, GMC K1500, Chevrolet K1500 Suburban, GMC K1500 Suburban, and Chevrolet Blazer in the listed configurations. Part number 630-121 is also referenced by 26010416 and AXK165 for the same application.

Built as a solid shaft axle with 30 splines and a 6-lug wheel interface, this axle shaft is intended to restore proper rear driveline function on supported 8.625-inch ring gear applications. The package contents include the axle shaft, wheel studs, wheel nuts, bearing, and seal, helping match the original service layout on the specified vehicles.

What It Helps Fix

• Broken or bent rear axle shaft
• Noise from worn axle bearings
• Axle seal leakage at the rear axle
• Wheel stud or wheel nut service issues tied to axle replacement
• Driveline concerns on 30-spline rear axle assemblies

Installation Notes and Tips

Verify rear axle configuration before ordering, including ring gear size, spline count, bearing dimensions, and left or right position. This part is listed for rear left and rear right applications depending on vehicle year and model, including Fits 2000 Chevrolet Tahoe, rear right; Fits 2000 Cadillac Escalade, rear left; and Fits 1995-1999 Chevrolet Tahoe, rear left or rear right in the specified 8.5-inch ring gear configuration. Confirm ABS tone ring requirements separately, since the tone ring is not included.

For fitment on Chevrolet K1500 and GMC K1500 models, check the axle housing and bearing specification against the notes provided for each application. Proper inspection of the seal surface, bearing seat, and axle flange condition is recommended before installation.

Quality Assurance

Dorman replacement driveline parts are built to match original equipment dimensions and application requirements for supported vehicles. This axle shaft is designed as a direct replacement for select Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, and related GM truck applications listed above.