Dorman 946-086 Drive Shaft - Rear

Reliable Drive Shaft for Chevrolet and GMC Heavy-Duty Trucks

The Dorman 946-086 drive shaft is engineered to meet the demands of heavy-duty trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD. Designed with durable steel construction and adjustable length, this rear driveshaft ensures dependable driveline performance for your vehicle.

• Constructed from high-quality steel for strength and durability
• Regular grade type suitable for heavy-duty applications
• 3.5-inch shaft diameter for optimal torque handling
• Overall length adjustable to fit specific vehicle requirements
• Greaseable design for easier maintenance and extended service life
• Wall thickness of 0.065 inches for enhanced structural integrity
• Includes one rear driveshaft compatible with select Chevrolet and GMC models

Durable Steel Construction and Adjustable Length

The Dorman 946-086 drive shaft features a robust steel shaft with a 3.5-inch diameter and 0.065-inch wall thickness, providing the necessary strength to handle the torque and load demands of heavy-duty trucks. Its overall length is adjustable, allowing for precise fitment on Chevrolet Silverado 2500 HD, Silverado 2500 HD Classic, GMC Sierra 2500 HD, and Sierra 2500 HD Classic models. The greaseable design facilitates routine maintenance, helping to reduce wear and extend the lifespan of the driveline component.

Compatible Vehicles and Applications

This rear driveshaft is specifically compatible with the following vehicles:

• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 2500 HD Classic
• GMC Sierra 2500 HD
• GMC Sierra 2500 HD Classic

It is designed to replace worn or damaged drive shafts, restoring driveline performance and vehicle reliability.

Common Issues Addressed by This Drive Shaft

• Vibration or shuddering during acceleration or cruising
• Clunking noises from the driveline when shifting or accelerating
• Excessive wear or damage to the original drive shaft
• Grease leakage or lack of lubrication causing premature failure
• Incorrect drive shaft length leading to driveline misalignment

Installation Notes and Tips

When installing the Dorman 946-086 drive shaft, ensure the length is properly adjusted to match your vehicle’s specifications. Regularly grease the drive shaft fittings to maintain smooth operation and prevent premature wear. It is recommended to inspect related driveline components such as U-joints and center bearings 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 come with a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.