Dorman 630-138 Drive Axle Shaft - Rear Left or Rear Right

OE Replacement Axle Shaft for GM Muscle Cars

This Dorman drive axle shaft is a direct replacement for the original equipment on select Chevrolet and Pontiac rear axle applications. Built from carbon steel and supplied with application-specific installation components, it addresses axle shaft damage and worn bearings with a service-ready replacement.

Key Features

• Direct replacement drive axle shaft for rear axle service
• Carbon steel construction for strength and durability
• 30 spline axle shaft with 10 lug wheel pattern
• 30.07 in. overall length
• Solid shaft axle design
• Package contents include axle shaft, wheel studs, wheel nuts, bearing, and seal
• ABS tone ring not included

Detailed Product Overview

Dorman 630-138 is engineered for select 1968-1972 Chevrolet El Camino, 1970-1972 Chevrolet Monte Carlo, and 1970 Chevrolet Camaro and Pontiac Firebird rear axle applications. It is a direct-fit axle shaft replacement for rear left and rear right positions where the original shaft has failed, the bearings are worn, or the axle assembly needs service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

As a replacement axle shaft, Dorman 630-138 restores the connection between the differential and the wheel hub on compatible GM rear axle setups. The included bearing and seal support a complete repair at the axle end, while the wheel studs and wheel nuts match the application-specific hardware requirements.

Common Problems This Part Helps Address

• Axle shaft damage from wear, impact, or fatigue
• Noise or rough operation caused by worn axle bearings
• Oil leakage at the axle seal area
• Wheel stud or wheel nut service needs during axle repair
• Rear axle driveline issues on GM 12-bolt cover applications

Installation Notes and Fitment

• Fits 1968-1972 Chevrolet El Camino, rear left, w/Round Cover; w/12 Bolt Cover
• Fits 1968-1972 Chevrolet El Camino, rear right, w/Round Cover; w/12 Bolt Cover
• Fits 1970-1972 Chevrolet Monte Carlo, rear left, w/Round Cover; w/12 Bolt Cover
• Fits 1970-1972 Chevrolet Monte Carlo, rear right, w/Round Cover; w/12 Bolt Cover
• Fits 1970 Chevrolet Camaro, rear left, w/12 Bolt Cover
• Fits 1970 Chevrolet Camaro, rear right, w/12 Bolt Cover
• Fits 1970 Pontiac Firebird, rear left, w/12 Bolt Cover
• Fits 1970 Pontiac Firebird, rear right, w/12 Bolt Cover

Verify axle housing configuration, cover style, and position before installation. This axle shaft is intended for rear left and rear right service on the listed Chevrolet Camaro, Chevrolet El Camino, Chevrolet Monte Carlo, and Pontiac Firebird applications.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function on specific vehicle applications. Part number 630-138 is built as an OE-style service solution for targeted GM rear axle repairs.