Dorman 630-022 Drive Axle Shaft - Rear Left or Rear Right

Dorman 630-022 Drive Axle Shaft

This Dorman drive axle shaft is a direct replacement for the original equipment axle on select Chevrolet Express 1500 and GMC Savana 1500 models. Built with carbon steel and a galvanized finish, it addresses axle shaft damage and worn bearings with application-specific installation components.

Key Features

• Direct replacement axle shaft for select rear applications
• Carbon steel shaft construction with galvanized finish
• Full floating axle type with 30 inboard splines
• Includes axle shaft seal and bearing
• 6 mounting holes and 139.3 mm wheel bolt pattern size
• Part number: 630-022

Detailed Description

Dorman 630-022 is a drive axle shaft engineered for specific Chevrolet Express 1500 and GMC Savana 1500 rear axle applications. It is built to replace a damaged axle shaft or a unit affected by worn bearings, and it follows the original equipment design for the listed vehicles. The shaft measures 34.4 in. long, has a 33.9 mm diameter, and uses a full floating differential case design with 30 inboard splines. The galvanized finish adds corrosion resistance to the carbon steel shaft, while the included axle shaft seal and bearing support a proper repair.

This part cross-references OE numbers 12471686 and 12479031 for the same application. If you are searching for a rear axle shaft for a 2003-2014 Chevrolet Express 1500 or GMC Savana 1500, Dorman 630-022 is built around the listed fitment and axle configuration.

What It Helps Fix

• Broken or damaged rear axle shaft
• Noise or rough operation from worn axle bearings
• Axle seal leakage at the shaft area
• Vehicle-specific rear axle service on Express 1500 and Savana 1500 models
• Replacement needs after axle wear in limited-slip or non-JL4 configurations

Installation Notes

• Fits 2012-2014 Chevrolet Express 1500, rear right, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2011 Chevrolet Express 1500, rear left, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2008-2010 Chevrolet Express 1500, rear right, wo/RPO Code JL4 (Active Brake Control)
• Fits 2007 Chevrolet Express 1500, rear left
• Fits 2004 Chevrolet Express 1500, rear left
• Fits 2005-2006 Chevrolet Express 1500, rear right
• Fits 2003 Chevrolet Express 1500, rear right
• Fits 2014 GMC Savana 1500, rear right, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2013 GMC Savana 1500, rear left, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2012 GMC Savana 1500, rear right, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2011 GMC Savana 1500, rear left, w/RPO Code G80 (Positraction/Limited Slip)
• Fits 2009-2010 GMC Savana 1500, rear left, wo/RPO Code JL4 (Active Brake Control)
• Fits 2008 GMC Savana 1500, rear right, wo/RPO Code JL4 (Active Brake Control)
• Fits 2007 GMC Savana 1500, rear left
• Fits 2006 GMC Savana 1500, rear right
• Fits 2004-2005 GMC Savana 1500, rear right
• Fits 2003 GMC Savana 1500, rear left

Before installation, verify axle position, RPO code, spline count, and wheel bolt pattern against the vehicle build data. For Chevrolet Express 1500 and GMC Savana 1500 rear axle service, confirm the listed side and configuration match the original axle assembly.

Quality Assurance

Dorman manufactures direct replacement drivetrain components to match original equipment fit and function on the specified applications. Part number 630-022 is built to OE-style specifications for the listed Chevrolet Express 1500 and GMC Savana 1500 fitments.