Dorman 630-113 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-113 Rear Axle Shaft Replacement

Dorman 630-113 is a direct replacement drive axle shaft for select rear-wheel-drive GM applications with a 7.5 in. ring gear and 4.75 in. bolt circle. It is built from carbon steel and supplied with application-specific installation components to support a proper axle service on the correct vehicle and position.

Key Features

• Direct replacement drive axle shaft for select rear left and rear right applications
• Carbon steel construction for drivetrain service durability
• Solid shaft axle design
• 26-spline axle shaft configuration
• 30.32 in. overall length
• 5-lug wheel pattern with 5 wheel studs and 5 wheel nuts specified in the package contents
• Includes bearing and seal for the listed applications
• ABS tone ring not included

Detailed Description

This Dorman axle shaft is engineered to replace the original equipment axle on specific Chevrolet, Buick, Oldsmobile, and Pontiac rear axle applications. It is a solid shaft axle measuring 30.32 in. long with a 26-spline count, making it a fitment-specific solution for vehicles such as the Chevrolet Caprice, Chevrolet Impala, Buick LeSabre, Oldsmobile Delta 88, Pontiac Bonneville, and Pontiac Catalina when the rear axle configuration matches the listed notes. Part number 630-113 is also referenced for cross-application lookup as 22506477 and AXK172.

Use this axle shaft when servicing a worn or damaged rear axle assembly on compatible GM full-size and intermediate platforms. The design follows the original equipment layout for the listed vehicles and positions, helping restore axle function where the shaft, bearing, or seal has failed.

What It Helps Solve

• Rear axle shaft damage from wear, impact, or fatigue
• Noise or vibration related to a worn axle shaft assembly
• Axle service needs involving bearing and seal replacement
• Driveline issues on vehicles with the specified 7.5 in. ring gear and 4.75 in. bolt circle
• Replacement needs for rear left or rear right axle positions on listed GM models

Installation Notes and Fitment

Compatible With 1977-1990 Chevrolet Caprice, rear left and rear right; 1985-1986 Buick Century, rear left and rear right; 1977-1986 Buick LeSabre, rear left and rear right; 1977-1986 Oldsmobile Custom Cruiser, rear left and rear right; 1983-1986 Pontiac Parisienne, rear left and rear right; 1977-1985 Chevrolet Impala, rear left and rear right; 1977-1985 Oldsmobile Delta 88, rear left and rear right; 1982-1983 Buick Regal, rear left and rear right; 1982-1983 Oldsmobile 98, rear left and rear right; 1977-1981 Pontiac Bonneville, rear left and rear right; 1977-1981 Pontiac Catalina, rear left and rear right; 1977-1978 Buick Riviera, rear left and rear right.

Verify the rear axle configuration before installation, including the 7.5 in. ring gear and 4.75 in. diameter bolt circle noted for the listed applications. Confirm the axle position, spline count, and overall length against the original part before service. The ABS tone ring is not included, so vehicles requiring that component should be checked carefully during diagnosis and assembly.

Quality Assurance

Dorman manufactures direct replacement parts for vehicle-specific repair applications, and this axle shaft is built to match the listed OE-style fitment requirements for the covered GM models. Part number 630-113 is intended for accurate replacement selection when the original axle shaft is worn or damaged.