Dorman 630-121 Drive Axle Shaft - Rear Left or Rear Right

Reliable Drive Axle Shaft for Cadillac, Chevrolet, and GMC Vehicles

The Dorman 630-121 drive axle shaft is engineered for solid shaft axle applications on select Cadillac, Chevrolet, and GMC models. Designed to meet OEM specifications, this axle shaft provides a durable and precise fit for vehicles like the Chevrolet Blazer, GMC Yukon, and Cadillac Escalade.

• Solid shaft axle type for enhanced strength and durability
• 33-inch length suitable for specific full-size SUVs and trucks
• Constructed from carbon steel for long-lasting performance
• Includes axle shaft, wheel studs, wheel nuts, bearing, and seal for complete installation
• 30 splines and 6 holes with 6 wheel lugs for secure mounting
• ABS tone ring not included

Durable Construction and Precise Fitment

This Dorman drive axle shaft (part number 630-121) is crafted from carbon steel, providing the necessary strength to withstand the demands of heavy-duty use. The 33-inch solid shaft axle design ensures compatibility with vehicles requiring a robust driveline component. With 30 splines and 6 holes, this axle shaft offers a secure connection to the wheel hub assembly. The package includes essential hardware such as wheel studs, nuts, bearing, and seal, facilitating a comprehensive replacement process.

Compatible Vehicles and Applications

Compatible with a range of Cadillac, Chevrolet, and GMC models, this axle shaft is specifically designed for:

• Cadillac Escalade
• Chevrolet Blazer
• Chevrolet Tahoe
• GMC Yukon
• GMC K1500 and K1500 Suburban

Use this part when addressing driveline issues related to axle shaft wear or damage in these vehicles.

Common Issues Addressed by This Drive Axle Shaft

• Excessive axle shaft wear causing vibrations or noise
• Damaged or bent axle shaft from impact or off-road use
• Leaking axle seals leading to grease loss and contamination
• Worn wheel studs or nuts compromising wheel security
• Failure of original axle components affecting driveline performance

Installation Notes and Tips

Installation of the Dorman 630-121 axle shaft requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before removal of the old axle shaft. Use the included wheel studs, nuts, bearing, and seal to complete the assembly. Verify spline alignment and torque specifications according to the vehicle manufacturer’s guidelines. Note that this axle shaft does not include an ABS tone ring, so confirm compatibility with your vehicle’s ABS system.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and fitment. The 630-121 drive axle shaft undergoes rigorous quality control inspections. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.