Dorman 986-377 Drive Shaft - Rear

Dorman 986-377 Rear Driveshaft

Dorman 986-377 is a complete rear drive shaft assembly for select Ford Super Duty trucks. It is pre-balanced and built with new yokes, tubes, universal joints, and a slip yoke to simplify replacement on the Ford F-250 Super Duty and Ford F-350 Super Duty.

Key Features

• Complete drive shaft assembly for rear applications
• Pre-balanced for installation readiness
• 100% new yokes, tubes, and universal joints
• Steel shaft construction with 3.5 in shaft diameter
• Greaseable drive shaft design
• Overall length adjustable for fitment alignment
• Transmission yoke to flange configuration
• Compressed length: 105.25 in; drive shaft length: 106.75 in

Detailed Description

This Dorman drive shaft is built for rear driveline service on 2002-2003 Ford F-250 Super Duty and 2002-2003 Ford F-350 Super Duty models with Single Rear Wheel (SRW) configuration. Part number 986-377 is engineered as a direct replacement assembly with steel tubing, a 0.083 in wall thickness, and a greaseable design for serviceability. The assembly includes a transmission yoke on one end and a flange on the other, making it a practical solution when replacing a worn or damaged rear driveshaft on Ford Super Duty trucks. This part cross-references Ford OE number 2C3Z4R602BYA for the same application.

What It Helps Fix

• Vibration caused by a worn or out-of-balance rear driveshaft
• Clunking or driveline noise from worn universal joints
• Driveline play related to damaged yokes or shaft wear
• Service issues from a non-greaseable or difficult-to-maintain shaft
• Replacement needs after driveline damage on SRW Super Duty trucks

Installation Notes and Tips

Compatible With 2003 Ford F-250 Super Duty, rear; 2003 Ford F-350 Super Duty, rear; 2002 Ford F-250 Super Duty, rear; and 2002 Ford F-350 Super Duty, rear with Single Rear Wheel (SRW), including 2002 models from 1/02/02. Verify compressed length, flange style, and transmission yoke fitment before installation. Inspect related driveline components, and confirm the shaft is aligned and torqued to factory specifications during replacement. Dorman 986-377 is supplied as a complete driveshaft assembly for rear axle service.

Quality Assurance

Dorman manufactures replacement driveline components to match the needs of repair and maintenance work on light-duty trucks. Part number 986-377 is a complete assembly with new yokes, tubes, and joints for a straightforward replacement on select Ford Super Duty applications.