Dorman 630-631 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-631 Rear Axle Shaft for Mustang

Dorman 630-631 is a direct replacement axle shaft for select 1999-2004 Ford Mustang rear applications. It is built from carbon steel and supplied with application-specific components for the axle assembly, including the bearing and seal listed in the product contents.

Use this axle shaft when the original shaft is damaged or when axle bearings are worn. It is engineered to replace the OE part on the rear left or rear right side of compatible Ford Mustang models.

Key Features

• Direct replacement axle shaft for select Ford Mustang rear positions
• Carbon steel construction for driveline service applications
• Solid shaft axle design
• 28-spline configuration
• 5-lug wheel pattern with 5 hole quantity
• Includes bearing and seal as listed in the package contents
• Part number 630-631 for catalog and fitment lookup

Detailed Description

This Dorman axle shaft is made for 1999-2004 Ford Mustang rear left and rear right applications. The shaft measures 30.59 inches in length and uses a solid shaft axle design with 28 splines. It does not include an ABS tone ring. For buyers searching for a Ford Mustang rear axle shaft, Mustang axle shaft replacement, or Dorman 630-631 rear axle shaft, this part provides a direct OE-style service solution for the specified vehicle range.

This part cross-references Ford XR3Z4234BA for the same application.

What It Helps Fix

• Damaged rear axle shaft
• Worn axle bearings
• Noise from the rear driveline area
• Wheel-end vibration related to axle wear
• Loss of proper wheel support at the axle assembly

Installation Notes and Tips

Fits 1999-2004 Ford Mustang, rear left. Fits 1999-2004 Ford Mustang, rear right. Confirm spline count, axle length, and rear position before installation. Verify that the vehicle does not require an ABS tone ring on the axle shaft, since this unit is listed without one. Check the bearing and seal surfaces during installation and inspect related rear axle components for wear.

Quality Assurance

Dorman supplies direct replacement driveline components for specific vehicle applications, and this axle shaft is built to match the listed fitment and hardware requirements for the 1999-2004 Ford Mustang rear axle service.