Dorman 630-425 Drive Axle Shaft Assembly - Front Right Inner

Reliable Drive Axle Shaft Assembly for GM Trucks and SUVs

The Dorman 630-425 Drive Axle Shaft Assembly is engineered to meet the demands of heavy-duty vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500. Designed for durability and precise fitment, this axle shaft assembly ensures smooth driveline performance for select Cadillac, Chevrolet, and GMC models.

• Compatible with 6x5.5 wheel bolt pattern vehicles
• Constructed from carbon steel for strength and longevity
• Inboard spline quantity: 28 for secure engagement
• 1.25-inch shaft diameter optimized for IFS differential case design
• Includes inner axle shaft only, no wheel studs or brake components
• Compressed and overall length of 19.69 inches for exact fit
• Wheel stud thread diameter 14mm with 1.5 thread pitch

Technical Details and Specifications

This Dorman drive axle shaft assembly (part number 630-425) is specifically designed for independent front suspension (IFS) systems found on vehicles such as the Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon XL 1500. The axle shaft features 28 inboard splines and a 1.25-inch diameter shaft, providing a precise fit and reliable torque transfer. The assembly does not include an ABS tone ring, wheel studs, brake hardware, or hub bearings, focusing solely on the inner axle shaft component. Its carbon steel construction offers durability under demanding driving conditions, although it does not have a rust-resistant coating.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD Classic, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL 1500

This axle shaft assembly is intended for use in driveline repairs or replacements where the original inner axle shaft has worn or failed. It is suitable for restoring proper driveline function and maintaining vehicle safety and performance.

Common Issues Addressed by This Axle Shaft

• Excessive vibration or noise from worn axle shafts
• Axle shaft spline wear causing driveline slippage
• Damage from corrosion or impact leading to shaft failure
• Loss of torque transfer efficiency in front independent suspension
• Replacement of bent or broken inner axle shafts

Installation Notes and Tips

Installation of the Dorman 630-425 axle shaft assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before beginning. Verify the wheel bolt pattern (6x5.5) and spline count to confirm compatibility. Since this part does not include wheel studs or brake components, reuse existing hardware or replace separately as needed. Check for proper lubrication and inspect seals during installation to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit and function. The 630-425 axle shaft assembly undergoes rigorous quality control to ensure durability and performance. While this product does not include a rust-resistant coating, its carbon steel construction provides strength for demanding applications. Warranty coverage details can be obtained from the product documentation or manufacturer.