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

OE-Style Front Right Inner Axle Shaft

Dorman 630-425 is a direct replacement drive axle shaft assembly for select GM full-size SUVs and trucks with independent front suspension. It is built to replace a damaged axle shaft or worn bearings and arrives ready for installation on the specified front right inner position.

Compatible with applications such as 2004-2006 Chevrolet Silverado 1500, 2004-2006 GMC Sierra 1500, and 2002-2006 Cadillac Escalade, this axle shaft assembly follows the original equipment layout for the listed vehicles. The Dorman 630-425 part number is also referenced for related OE-style replacement needs in the same application family.

Key Features

• Direct replacement drive axle shaft assembly for the front right inner position
• Fits vehicles with independent front suspension (IFS) and a 6x5.5 wheel bolt pattern
• 28 inboard splines with a 1.25-inch shaft diameter
• Carbon steel construction for strength in driveline service
• 19.69-inch compressed length and overall length
• Package contents include the inner axle shaft
• Cross-reference part numbers include 12471491 and AXK803

Detailed Description

This Dorman axle shaft assembly is engineered as an OE-style replacement for the front right inner driveline position on select Chevrolet, GMC, and Cadillac models. It is intended for vehicles that use the listed spline count, shaft dimensions, and IFS differential case design. The assembly is a practical solution when the original axle shaft is damaged or when internal wear has affected driveline operation. Dorman 630-425 is commonly searched for Silverado 1500, Sierra 1500, and Escalade front axle repair applications.

Vehicle coverage includes 2007 Chevrolet Silverado 1500 Classic and Silverado 1500 HD Classic with Luxury Edition Package, 2007 GMC Sierra 1500 Classic with Luxury Edition Package, 2002-2006 Cadillac Escalade, 2003-2006 Cadillac Escalade ESV, 2002-2006 Cadillac Escalade EXT, 2004-2006 Chevrolet Silverado 1500, 2006 Chevrolet Suburban 1500, 2004-2006 GMC Sierra 1500, 2005-2006 GMC Yukon, 2006 GMC Yukon XL 1500, and additional listed Tahoe, Suburban, Avalanche, and Yukon XL applications with the specified RPO notes.

What It Can Fix

• Front axle shaft damage from wear, impact, or driveline stress
• Noise or vibration traced to a worn inner axle shaft
• Loss of driveline smoothness in the front right axle position
• Service needs on vehicles requiring the listed spline and length specifications
• Replacement of a failed OE-style axle shaft assembly on compatible GM platforms

Installation Notes and Tips

Verify the vehicle’s year, make, model, front right inner position, and any RPO or package notes before ordering. Confirm the 6x5.5 wheel bolt pattern, 28 inboard splines, 19.69-inch length, and IFS differential case design match the original part. This assembly does not include wheel studs, hub bearing, axle shaft seal, ABS tone ring, brake hardware, brake dust shield, or brake backing plate, so reuse or source those components as needed based on the vehicle’s service requirements.

Quality Assurance

Dorman supplies direct replacement parts built to match original equipment fit and function for the listed applications. This axle shaft assembly is made from carbon steel and is specified for the exact front right inner fitment shown above, helping support a proper OE-style repair on compatible Chevrolet, GMC, and Cadillac vehicles.