Dorman 976-998 Drive Shaft - Rear

Rear Drive Shaft for Silverado 2500 and Sierra 2500

This Dorman drive shaft assembly is a direct replacement for rear driveline service on 1999-2000 Chevrolet Silverado 2500 and 1999-2000 GMC Sierra 2500 models. Part number 976-998 arrives pre-balanced and assembled with new yokes, tubes, universal joints, and a slip yoke for a straightforward installation.

Key Features

• Fits 1999-2000 Chevrolet Silverado 2500, rear
• Fits 1999-2000 GMC Sierra 2500, rear
• Pre-balanced complete drive shaft assembly
• Steel shaft construction with 3.5 in diameter
• Transmission yoke on end 1 and U-joint on end 2
• Greaseable design with universal joints included
• Overall length adjustable for proper driveline setup
• Compressed length: 101.92 in; drive shaft length: 103.92 in
• Drive shaft wall thickness: 0.083 in

Detailed Description

Dorman 976-998 is a rear drive shaft assembly built for 1999-2000 Chevrolet Silverado 2500 and GMC Sierra 2500 trucks. It uses a steel shaft with a 3.5-inch diameter, a transmission yoke at one end, a U-joint at the other, and a slip yoke for driveline fitment. The assembly is pre-balanced and includes 100% new yokes, tubes, and universal joints, which helps simplify replacement of a worn or damaged rear driveshaft on Silverado 2500 and Sierra 2500 applications.

This part cross-references OE number 15711990 for the same application. The Dorman 976-998 drive shaft is a practical replacement choice when the original shaft has vibration, wear, or physical damage and the vehicle needs a complete rear driveline assembly.

What It Helps Fix

• Driveline vibration from a worn or out-of-balance shaft
• Noise from worn universal joints
• Damage to the original tube or yokes
• Fitment issues caused by a failing slip yoke
• Rear driveline service needs on Silverado 2500 and Sierra 2500 trucks

Installation Notes and Tips

Verify rear application, compressed length, and overall driveline measurements before installation. Inspect the mating components, including the transmission output area and rear axle connection points, for wear or damage before installing part number 976-998. Because this assembly is greaseable, follow the vehicle service schedule for lubrication after installation.

Quality Assurance

This Dorman drive shaft assembly is built as a complete replacement unit with new yokes, tubes, and universal joints, and it is pre-balanced for installation readiness. Part number 976-998 is intended for rear driveline service on the listed Chevrolet Silverado 2500 and GMC Sierra 2500 applications.