Dorman 630-422 Drive Axle Shaft Assembly - Front Right Inner

Overview of Dorman Drive Axle Shaft Assembly 630-422

The Dorman 630-422 drive axle shaft assembly is engineered for reliable driveline performance in select GM trucks and SUVs. Designed specifically for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500, this axle shaft provides a precise fit and durable construction to maintain drivetrain integrity.

• Compatible with 6x5.5 wheel bolt pattern vehicles
• Constructed from carbon steel for strength and durability
• Inner axle shaft with 28 inboard splines
• 1.25 inch shaft diameter for optimal fitment
• Length of 14.96 inches to match factory specifications
• Designed for independent front suspension (IFS) differential case design

Detailed Product Description

The Dorman 630-422 drive axle shaft assembly is built to meet the exact specifications required by GM trucks and SUVs including the Cadillac Escalade, Chevrolet Avalanche, GMC Yukon XL 1500, and others. This inner axle shaft features 28 inboard splines and a 1.25 inch diameter shaft, ensuring compatibility with the vehicle’s differential and hub assembly. The 14.96 inch length matches OEM dimensions, providing a direct replacement without modification. Manufactured from carbon steel, this axle shaft offers the necessary strength to handle torque and rotational forces while maintaining structural integrity over time. It is designed for vehicles with a 6x5.5 wheel bolt pattern and independent front suspension (IFS) differential case design, ensuring proper fit and function.

Common Applications and Problem Resolution

• Replacement for worn or damaged inner axle shafts on Chevrolet Silverado 1500 and GMC Sierra 1500
• Restores driveline performance in Cadillac Escalade and GMC Yukon models experiencing vibration or noise
• Addresses axle shaft failure due to wear or corrosion in Chevrolet Suburban 1500 and Tahoe
• Resolves issues related to axle shaft spline damage or deformation
• Supports repair of driveline components in Chevrolet Avalanche and GMC Cheyenne

Installation Notes and Tips

Installation of the Dorman 630-422 drive axle shaft assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before beginning work. Verify the wheel bolt pattern size of 6x5.5 matches your vehicle’s specifications. Since this part does not include wheel studs, brake hardware, or ABS tone rings, reuse existing components or source separately as needed. Check the axle shaft seal and hub bearing condition during installation and replace if necessary. Follow manufacturer torque specifications for all fasteners to ensure safe and reliable operation.

Quality Assurance and Warranty

Dorman manufactures the 630-422 drive axle shaft assembly to meet or exceed OEM standards for fit, form, and function. The carbon steel construction provides durability under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. For exact warranty terms, consult Dorman’s official documentation or contact the manufacturer directly.