Dorman 630-117 Drive Axle Shaft - Rear Left or Rear Right

OE Replacement Axle Shaft for Rear Applications

Dorman 630-117 is a direct replacement drive axle shaft for select rear-wheel-drive Buick, Cadillac, and Chevrolet applications. It is built from carbon steel and supplied with application-specific installation components to match the original equipment setup on covered vehicles.

Use this axle shaft when the original shaft is damaged or when bearing wear has affected rear axle performance. The Dorman 630-117 is listed for rear left and rear right positions on compatible Buick Roadmaster, Chevrolet Caprice, Cadillac Brougham, and Cadillac Fleetwood models.

Key Features

• Direct replacement drive axle shaft for select rear axle applications
• Carbon steel construction for OE-style strength and durability
• 30 spline axle shaft with 30.32 in. length
• Solid shaft axle design
• Includes axle shaft, wheel studs, wheel nuts, bearing, and seal
• No ABS tone ring installed
• 5-lug wheel pattern with 5 hole quantity

Detailed Product Overview

Dorman 630-117 is engineered as an OE-style axle shaft replacement for vehicles using 8.5 in. or 8.625 in. ring gear setups, depending on application. It is a practical replacement for worn or damaged rear axle shafts on 1991-1996 Buick Roadmaster, 1991-1992 Cadillac Brougham, 1991-1992 Cadillac Fleetwood, and 1991-1996 Chevrolet Caprice models. This part cross-references Monroe Shocks & Struts (e.g., 26018080, AXK176) for the same application.

What It Helps Fix

• Rear axle shaft damage from wear, impact, or fatigue
• Noise or vibration related to a worn axle shaft assembly
• Rear wheel bearing and seal service needs during axle repair
• Loss of driveline smoothness caused by axle shaft wear
• Restoration of proper rear axle function on compatible Buick, Cadillac, and Chevrolet vehicles

Installation Notes and Fitment Tips

• Fits 1992-1996 Buick Roadmaster, rear left and rear right, without limited slip differential.
• Fits 1995-1996 Chevrolet Caprice, rear left and rear right, without limited slip differential and with RPO code JA2 heavy duty brakes.
• Fits 1994 Chevrolet Caprice, rear left and rear right, without limited slip differential and with RPO code JA2 heavy duty brakes.
• Fits 1993 Chevrolet Caprice, rear left and rear right, with police package configurations listed in the fitment data.
• Fits 1991-1992 Cadillac Brougham, rear left and rear right; 1991-1992 Cadillac Fleetwood, rear left and rear right; and 1991-1992 Chevrolet Caprice, rear left and rear right.

Verify ring gear size, axle ratio, differential type, and position before installation. Confirm the vehicle uses the listed 30-spline rear axle configuration and does not require an ABS tone ring on the shaft.

Quality Assurance

Dorman supplies this axle shaft as a direct OE replacement part for covered applications, with vehicle-specific components included for the listed fitments. Part number 630-117 is built to match the original configuration used on compatible rear axle assemblies.