Dorman 986-979 Drive Shaft - Rear

Dorman 986-979 Drive Shaft Assembly

Dorman 986-979 is a complete drive shaft assembly for driveline service, built as a standard replacement with pre-balanced construction and all-new yokes, tubes, universal joints, and CV joints. It is a direct-fit style solution for drivers searching for a replacement drive shaft for Ford AC2Z4R602N applications and related driveline repair needs.

Key Features

• Complete drive shaft assembly with 100% new yokes, tubes, constant velocity joints, and universal joints
• Pre-balanced for installation without separate balancing service
• Steel shaft construction with 3-inch shaft diameter
• Bolt-on end 1 and bolt-on end 2 connection types
• Pre-greased with grease fitting included
• Phased at 90 degrees
• Overall length adjustable with 1 inch max slip
• Standard replacement grade for driveline repair

Detailed Description

This Dorman drive shaft assembly, part number 986-979, is built for driveline replacement where the original shaft has wear, vibration, or joint failure. The assembly measures 92.75 inches in drive shaft length, with a collapsed length of 91.75 inches flange face to flange face and 30.5 inches yoke to bearing. It uses steel construction, a 0.083-inch wall thickness, and bolt-on ends for secure installation. The shaft is pre-greased and includes universal joints, while CV joints are not included. For Ford AC2Z4R602N cross-reference needs, 986-979 provides a complete replacement path for driveline service.

Fits 2006-2011 Ford E-350 Super Duty, rear; Fits 2006-2011 Ford E-450 Super Duty, rear. These fitment details support buyers searching for a replacement drive shaft for Ford E-Series van driveline repair, including Ford E-350 Super Duty rear drive shaft and Ford E-450 Super Duty rear drive shaft applications. Part number 986-979 is also referenced for Ford AC2Z4R602N interchange use.

Common Repair Uses

• Driveline vibration caused by worn joints or imbalance
• Noise from failing universal joints
• Excess play from a damaged or fatigued shaft assembly
• Replacement after corrosion, impact, or tube wear
• Service for rear driveline repair on Ford E-Series vans

Installation Notes and Tips

Verify flange-to-flange length, yoke-to-bearing length, and end type before installation. This shaft is phased at 90 degrees and has a maximum slip of 1 inch, so alignment should match the original driveline configuration. Confirm the vehicle’s rear driveline application and compare the original shaft dimensions to Dorman 986-979 before bolting in the assembly.

Quality Assurance

Dorman supplies this as a standard replacement driveline assembly with pre-balanced construction and new wear components. The design focuses on restoring proper driveline operation with a ready-to-install shaft assembly built from steel and supplied with pre-greased joints.