Dorman 946-063 Drive Shaft - Rear

Overview of Dorman 946-063 Drive Shaft for Chevrolet and GMC

The Dorman 946-063 drive shaft is engineered for reliable driveline performance in heavy-duty trucks. Designed specifically for Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD models, this aluminum drive shaft offers a durable and precise fit to maintain drivetrain efficiency.

• Constructed from lightweight aluminum shaft material
• Regular grade type for standard performance requirements
• 5-inch shaft diameter for strength and stability
• 82.46 inches overall drive shaft length
• 0.083-inch wall thickness for balanced durability
• Non-greaseable design for maintenance-free operation
• Includes one rear driveshaft unit

Detailed Product Description

This Dorman drive shaft (part number 946-063) is crafted from aluminum, providing a balance of strength and reduced weight compared to steel alternatives. The 5-inch diameter shaft with a wall thickness of 0.083 inches ensures structural integrity under typical load conditions encountered by Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD trucks. The fixed length of 82.46 inches is designed to match the rear driveshaft specifications of these models, ensuring proper driveline alignment and smooth power transfer. The non-greaseable design reduces maintenance needs, making it suitable for users seeking a reliable replacement without additional lubrication requirements.

Applications and Problem Solving

• Replacement for worn or damaged rear driveshafts on Chevrolet Silverado 2500 HD
• Restores driveline balance and reduces vibrations in GMC Sierra 2500 HD
• Addresses issues related to shaft bending or cracking
• Solves driveline noise caused by shaft wear or imbalance
• Improves drivetrain reliability after impact or corrosion damage

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before removing the existing driveshaft. Verify the part number 946-063 matches the original equipment specifications for your Chevrolet Silverado 2500 HD or GMC Sierra 2500 HD. Since this drive shaft is non-greaseable and non-adjustable in length, confirm proper alignment and fitment during installation. Torque all fasteners to manufacturer specifications to maintain driveline integrity.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.