Dorman 986-138 Drive Shaft - Rear

Drive Shaft Overview

This Dorman drive shaft assembly is a direct replacement for the rear driveline on compatible Toyota trucks. Part number 986-138 is pre-balanced and built with new yokes, tubes, universal joints, and CV joints for a complete service solution.

Key Features

• Complete drive shaft assembly for driveline service
• Pre-balanced for smoother operation after installation
• Steel shaft construction with a 3-inch diameter
• Transmission yoke and flange end configuration
• 95-inch compressed length and 0.083-inch wall thickness
• Includes universal joints; CV joints are not included

Detailed Description

Part number 986-138 is a Dorman drive shaft assembly engineered for rear applications on 2007-2021 Toyota Tundra models. It uses a steel shaft with a transmission yoke on one end and a flange on the other, matching the specified driveline layout for this application. The assembly is pre-balanced and supplied with new yokes, tubes, and universal joints to simplify replacement of a worn or damaged driveshaft. This part cross-references 371000C100 for the same application.

Common Issues It May Solve

• Vibration caused by a worn or out-of-balance driveshaft
• Clunking or driveline noise from worn joints or shaft components
• Loss of driveline smoothness from damaged yokes or tubing
• Service needs after shaft wear, corrosion, or impact damage

Installation Notes and Tips

Verify the rear fitment, compressed length, end types, and shaft dimensions before installation. Confirm that the transmission yoke and flange configuration matches the original driveline setup on the vehicle. Part number 986-138 is not adjustable and does not include a slip yoke.

Quality Assurance

Dorman supplies this drive shaft assembly as a regular-grade replacement built with 100% new yokes, tubes, and joints for the listed application.