Dorman 986-456 Drive Shaft - Rear

Dorman 986-456 Rear Drive Shaft

Dorman 986-456 is a complete rear drive shaft assembly for select Cadillac Escalade ESV and GMC Yukon XL applications. It is pre-balanced for installation and built with new yokes, tubes, constant velocity joints, and universal joints where specified by the manufacturer.

Key Features

• Complete drive shaft assembly for rear driveline service
• Pre-balanced for direct replacement use
• Aluminum shaft construction
• 64.25 in. compressed drive shaft length
• 0.083 in. wall thickness and 4 in. shaft diameter
• Slip yoke end 1 and bolt-on end 2 configuration
• Universal joints included; CV joints not included
• Standard replacement grade

Detailed Description

This Dorman drive shaft, part number 986-456, is built for rear applications on 2021-2026 Cadillac Escalade ESV and 2021-2026 GMC Yukon XL models. The aluminum shaft design helps replace a worn or damaged driveline assembly with a unit that arrives pre-balanced and ready for installation. With a 64.25-inch compressed length, slip yoke at one end, and bolt-on attachment at the other, this assembly matches the listed rear fitment requirements for these full-size SUVs.

This part cross-references 84712240 for the same application.

What It Helps Fix

• Vibration from a bent, worn, or out-of-balance rear driveshaft
• Clunking or driveline noise from worn universal joints
• Loss of driveline smoothness during acceleration or cruising
• Damage from corrosion, impact, or shaft tube wear
• Service issues on rear driveline assemblies in Escalade ESV and Yukon XL models

Installation Notes and Tips

• Verify rear fitment before installation on 2021-2026 Cadillac Escalade ESV and 2021-2026 GMC Yukon XL.
• Confirm the 64.25 in. compressed length, slip yoke end, and bolt-on end match the original configuration.
• Inspect mating surfaces, flange condition, and related driveline components before mounting.
• Follow factory torque specifications and driveline service procedures during installation.

Quality Assurance

Dorman supplies this standard replacement drive shaft as a complete assembly with new yokes, tubes, universal joints, and CV joints where applicable to the design. Part number 986-456 is engineered for the listed rear applications and built for direct replacement service.