Dorman 630-120 Drive Axle Shaft - Rear Left or Rear Right

Durable Drive Axle Shaft for Select GM Trucks and SUVs

The Dorman 630-120 drive axle shaft is engineered for reliable performance in heavy-duty applications. Designed specifically for solid shaft axle configurations, this axle shaft is compatible with a range of Chevrolet, GMC, and Cadillac models, including the Silverado 1500, Sierra 1500, Escalade, and Yukon series.

• Solid shaft axle type for robust driveline support
• 33.59 inches in length to match factory specifications
• Constructed from carbon steel for strength and durability
• Includes axle shaft, wheel studs, wheel nuts, bearing, and seal
• 30 splines and 6 holes for secure fitment
• 6 wheel lug quantity for proper wheel attachment
• ABS tone ring not included

Technical Details and Compatibility

The Dorman 630-120 drive axle shaft is built from carbon steel, providing the necessary toughness to withstand the stresses of daily driving and off-road conditions. With a length of 33.59 inches and 30 splines, this axle shaft matches the original equipment specifications for a precise fit. The 6-hole design and 6 wheel lug quantity ensure compatibility with factory wheels on select GM vehicles. This part is compatible with solid shaft axle setups and does not include an ABS tone ring, so it is intended for vehicles without ABS tone ring requirements.

Compatible Vehicles

This drive axle shaft is compatible with the following makes and models:

• Cadillac Escalade and Escalade EXT
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Silverado 1500 and 1500 HD
• Chevrolet Suburban 1500
• Chevrolet Tahoe
• GMC Sierra 1500 and 1500 HD
• GMC Yukon and Yukon XL 1500

Common Applications and Problem Solving

This axle shaft is designed to address several driveline issues, including:

• Worn or damaged axle shafts causing vibrations or noise
• Axle shaft failure due to corrosion or metal fatigue
• Leaking axle seals leading to grease loss and bearing damage
• Loose or missing wheel studs and nuts affecting wheel security
• Replacement of factory axle shafts in solid shaft axle configurations

Installation Notes and Tips

When installing the Dorman 630-120 drive axle shaft, ensure the vehicle is securely lifted and supported. Verify the axle length and spline count match the original part. Replace the bearing and seal included in the package to prevent leaks and premature wear. Torque wheel nuts and studs to manufacturer specifications. Since this part does not include an ABS tone ring, confirm your vehicle’s ABS system compatibility before installation.

Quality Assurance and Warranty

Dorman manufactures this drive axle shaft to meet or exceed OEM standards for fit, form, and function. The carbon steel construction provides durability under demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.