Dorman 946-045 Drive Shaft - Rear

Reliable Drive Shaft for Cadillac, Chevrolet, and GMC Vehicles

The Dorman 946-045 drive shaft is engineered to provide dependable driveline performance for select Cadillac, Chevrolet, and GMC models. Designed with durable steel construction, this rear driveshaft offers consistent strength and stability for your vehicle's power transfer needs.

• Constructed from high-quality steel for durability
• Regular grade type ensuring standard performance
• 3.5-inch shaft diameter for optimal torque handling
• 62-inch drive shaft length tailored for rear applications
• 0.065-inch wall thickness for balanced strength and weight
• Non-greaseable design for maintenance-free operation
• Fixed overall length, no adjustability
• Includes one rear driveshaft per package

Detailed Product Description

The Dorman 946-045 drive shaft is specifically designed for rear driveline applications on vehicles such as the Cadillac Escalade ESV, Escalade EXT, Chevrolet Avalanche, Suburban 1500, and GMC Yukon XL 1500. Its steel shaft material provides the necessary rigidity and resistance to wear, while the 3.5-inch diameter and 0.065-inch wall thickness balance strength and weight to maintain driveline efficiency. This regular grade drive shaft is manufactured to meet OEM specifications, ensuring reliable power transfer from the transmission to the rear differential. The fixed 62-inch length is optimized for the listed vehicle models, providing a precise fit without the need for length adjustments. The non-greaseable design reduces maintenance requirements, making it a practical replacement part for your vehicle's driveline system.

Common Applications and Issues Addressed

• Replacement for worn or damaged rear drive shafts on compatible Cadillac, Chevrolet, and GMC models
• Resolves vibrations or clunking noises caused by shaft imbalance or wear
• Addresses driveline failure due to corrosion or material fatigue
• Restores proper torque transfer and driveline alignment
• Improves vehicle stability and drivability by ensuring consistent power delivery

Installation Notes and Tips

Installation of the Dorman 946-045 drive shaft should be performed by a qualified technician familiar with driveline components. Ensure the vehicle is securely lifted and supported before removal of the old driveshaft. Verify the part number and fitment against your vehicle make and model to confirm compatibility. Since this drive shaft is non-greaseable and has a fixed length, no additional adjustments or lubrication are required during installation. Proper torque specifications should be followed when securing the driveshaft to prevent premature wear or failure.

Quality Assurance and Warranty

Dorman manufactures the 946-045 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 against defects in material and workmanship. For precise warranty information, please refer to Dorman's official documentation or contact the manufacturer directly.