Dorman 946-068 Drive Shaft - Rear

Durable Drive Shaft for Chevrolet and GMC Heavy-Duty Trucks

The Dorman 946-068 drive shaft is engineered to meet the demands of Chevrolet Sierra 2500 HD and GMC Silverado 2500 HD trucks. Constructed from steel with adjustable length and greaseable features, this rear driveshaft offers reliable driveline performance for heavy-duty applications.

• Constructed from durable steel shaft material
• Regular grade type for standard heavy-duty use
• 3.5-inch shaft diameter for strength and stability
• Overall length adjustable at 115.589 inches for precise fitment
• Wall thickness of 0.083 inches for enhanced durability
• Greaseable design for easier maintenance and longer service life
• Includes one rear driveshaft compatible with specified models

Technical Details and Specifications

The Dorman 946-068 drive shaft is designed with a 3.5-inch diameter steel shaft, providing the necessary rigidity and strength for heavy-duty truck driveline systems. Its 0.083-inch wall thickness balances durability with weight considerations. The overall length is adjustable up to 115.589 inches, allowing for precise installation and alignment in Chevrolet Sierra 2500 HD and GMC Silverado 2500 HD models. The greaseable feature facilitates routine maintenance, helping to reduce wear and extend the lifespan of the driveshaft.

Compatible Vehicles and Applications

• Chevrolet Sierra 2500 HD rear driveshaft replacement
• GMC Silverado 2500 HD driveline repair or upgrade
• Replacement for worn or damaged rear driveshafts in heavy-duty trucks
• Addressing vibration or driveline noise issues
• Restoring proper driveline function after axle or suspension work

Installation Notes and Tips

When installing the Dorman 946-068 drive shaft, ensure the adjustable length is set accurately to match the vehicle’s specifications. Proper lubrication of the grease fittings is essential to maintain smooth operation and prevent premature wear. It is recommended to inspect related driveline components such as U-joints and yokes during installation to ensure overall system integrity.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet industry standards for durability and performance. While specific warranty details are not provided, Dorman products typically undergo rigorous quality control to ensure reliable operation in Chevrolet Sierra 2500 HD and GMC Silverado 2500 HD trucks. For warranty information, refer to Dorman’s official documentation or contact the manufacturer directly.