Dorman 976-034 Drive Shaft - Rear

Durable Aluminum Drive Shaft for Chevrolet and GMC Trucks

The Dorman 976-034 drive shaft is engineered to provide reliable driveline performance for heavy-duty Chevrolet and GMC trucks. Designed with an adjustable overall length and a slip yoke, this aluminum drive shaft suits demanding applications on Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models.

• Constructed from lightweight aluminum for strength and corrosion resistance
• Adjustable overall length to accommodate precise fitment
• Includes slip yoke for smooth driveline operation
• 5-inch shaft diameter with 0.125-inch wall thickness for durability
• Compatible with Chevrolet and GMC heavy-duty trucks

Technical Details and Specifications

The Dorman 976-034 drive shaft features a 5-inch diameter aluminum shaft with a 0.125-inch wall thickness, balancing strength and weight reduction. Its overall length is 83.379 inches, and the length is adjustable to ensure proper alignment and fitment in the driveline assembly. The inclusion of a slip yoke allows for smooth movement and reduces stress on connected components. This drive shaft does not include CV joints or axle nuts and is not greaseable, reflecting its design for regular grade applications rather than specialized or high-performance use.

Compatible Vehicles and Applications

This drive shaft is compatible with the following heavy-duty truck models:

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500 HD
• GMC Sierra 2500 HD
• GMC Sierra 3500 HD
• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500 HD

It is designed to replace worn or damaged drive shafts in these models, restoring driveline integrity and performance.

Common Issues Addressed by This Drive Shaft

• Vibration or noise caused by a bent or damaged drive shaft
• Excessive wear leading to driveline imbalance
• Failure of the original drive shaft slip yoke
• Length misalignment affecting driveline operation
• Corrosion or fatigue in steel shafts replaced by aluminum construction

Installation Notes and Tips

Ensure the drive shaft length is properly adjusted before installation to avoid driveline binding or vibration. The slip yoke should be inspected for wear and lubricated if applicable, although this model is not greaseable. Verify compatibility with your specific Chevrolet or GMC truck model and confirm that no CV joints or axle nuts are required for installation. Professional installation is recommended to maintain driveline balance and alignment.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet regular grade standards, providing a balance of durability and cost-effectiveness. While no specific warranty information is provided, Dorman parts typically undergo quality checks to ensure fitment and function for the intended Chevrolet and GMC heavy-duty truck applications.