Dorman 600-562 Transfer Case Housing - Rear

Dorman Transfer Case Housing for GM Trucks

Dorman 600-562 is a direct replacement transfer case housing for select Chevrolet Silverado and GMC Sierra heavy-duty trucks. It matches the fit and function of a cracked or leaking original housing and uses aircraft grade aluminum with new seals for a leak-resistant installation.

Key Features

• Aircraft grade aluminum construction for durable transfer case support
• Matches OE fit and function for service replacement
• Includes new seals to help maintain a leak-free seal at installation
• Gray finish
• 17 mounting holes for application-specific fitment
• Compatible with New Process 261 manual shift and New Process 263 electric shift transfer cases, depending on vehicle

Detailed Description

This Dorman transfer case housing, part number 600-562, is built for 2001-2007 Chevrolet Silverado 2500 HD, Silverado 3500, Silverado 2500 HD Classic, Silverado 3500 Classic, GMC Sierra 2500 HD, Sierra 3500, Sierra 2500 HD Classic, and Sierra 3500 Classic applications listed below. It is engineered as a replacement for a damaged OE housing and is made from aircraft grade aluminum to support the transfer case assembly while helping restore proper sealing. This part cross-references OE number 12478092 for the same application.

Vehicle Fitment

• Fits 2007 Chevrolet Silverado 2500 HD Classic, Rear, New Process 261; w/Manual Shift Transfer Case
• Fits 2007 Chevrolet Silverado 2500 HD Classic, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2007 Chevrolet Silverado 3500 Classic, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2007 GMC Sierra 2500 HD Classic, Rear, New Process 261; w/Manual Shift Transfer Case
• Fits 2007 GMC Sierra 2500 HD Classic, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2007 GMC Sierra 3500 Classic, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2001-2006 Chevrolet Silverado 2500 HD, Rear, New Process 261; w/Manual Shift Transfer Case
• Fits 2001-2006 Chevrolet Silverado 2500 HD, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2001-2006 Chevrolet Silverado 3500, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2001-2006 GMC Sierra 2500 HD, Rear, New Process 261; w/Manual Shift Transfer Case
• Fits 2001-2006 GMC Sierra 2500 HD, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2001-2006 GMC Sierra 3500, Rear, w/Electric Shift Transfer Case; New Process 263
• Fits 2001-2005 Chevrolet Silverado 3500, Rear, New Process 261; w/Manual Shift Transfer Case
• Fits 2001-2005 GMC Sierra 3500, Rear, New Process 261; w/Manual Shift Transfer Case

Common Repair Uses

• Cracked transfer case housing replacement
• Leak repair at the transfer case case half
• Restoring sealing surfaces after housing damage
• Repairing housing wear on high-mileage 4x4 trucks
• Addressing transfer case fluid loss on GM heavy-duty applications

Installation Notes and Tips

Verify transfer case type before ordering: New Process 261 manual shift or New Process 263 electric shift, depending on the truck. Confirm rear application, mounting hole count, and housing dimensions against the original unit before installation. Clean all mating surfaces thoroughly and inspect related seals and components so the replacement housing can seat correctly.

Quality Assurance

Dorman manufactures this housing as a service replacement part that follows OE fit and function expectations for the listed Chevrolet Silverado and GMC Sierra applications. New seals are included to support a leak-resistant installation.