Dorman 946-020 Drive Shaft - Rear

Reliable Drive Shaft for Chevrolet and GMC C2500

The Dorman 946-020 drive shaft is engineered to provide dependable driveline performance for Chevrolet and GMC C2500 trucks. Constructed from durable aluminum, this rear drive shaft offers a precise fit and consistent operation for your vehicle's driveline system.

• Made from lightweight aluminum shaft material
• Regular grade type for standard durability
• 4-inch shaft diameter for optimal strength
• 79.25-inch drive shaft length designed for rear applications
• 0.087-inch wall thickness for balanced rigidity
• Non-greaseable design for maintenance-free use
• Fixed overall length, not adjustable
• Includes one rear driveshaft

Durable Aluminum Drive Shaft Specifications

This Dorman drive shaft (part number 946-020) features a 4-inch diameter aluminum shaft that balances strength and weight reduction, contributing to improved vehicle efficiency. The 79.25-inch length is tailored specifically for the rear driveline of Chevrolet and GMC C2500 models, ensuring proper fitment and driveline alignment. With a wall thickness of 0.087 inches, the shaft maintains structural integrity under typical driving conditions. The regular grade type material meets standard performance requirements without the need for additional maintenance, as this drive shaft is not greaseable and does not have an adjustable length.

Compatible Vehicles and Applications

This drive shaft is compatible with the following vehicles:

• Chevrolet C2500 trucks requiring a rear drive shaft replacement
• GMC C2500 models with matching driveline specifications

It is designed to address common driveline issues such as:

• Vibration or noise caused by worn or damaged drive shafts
• Drive shaft failure due to corrosion or fatigue
• Improper driveline alignment affecting vehicle handling
• Loss of power transfer from transmission to rear axle
• Replacement of original equipment drive shafts with a direct-fit aftermarket option

Installation Notes and Tips

When installing the Dorman 946-020 drive shaft, ensure the vehicle is securely lifted and supported. Verify the shaft length and diameter match the original equipment specifications for your Chevrolet or GMC C2500. Since this drive shaft is non-greaseable and fixed in length, no additional adjustments or lubrication are required during installation. Proper torque specifications should be followed for all fasteners to maintain driveline integrity.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet or exceed OEM standards for fit and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. This ensures reliable performance and peace of mind when replacing your Chevrolet or GMC C2500 rear drive shaft with part number 946-020.