Dorman 926-891 Transfer Case Adapter

Transfer Case Adapter for OE-Style Repair

Dorman 926-891 is a transfer case adapter built to replace a damaged or cracked original equipment adapter and restore a secure connection between the transmission and transfer case. Made from aluminum and supplied with a gasket and seal, it supports a complete repair for select Chevrolet, GMC, and Cadillac 4x4 applications.

Key Features

• Direct replacement transfer case adapter for OE-style service
• Durable aluminum construction for strength and corrosion resistance
• Includes gasket and seal for a more complete repair
• Grey finish
• Universal fit design with application-specific vehicle coverage
• Dorman 926-891 cross-references OE part number 15724745

Application Coverage

Compatible with a wide range of 1999-2007 GM trucks and SUVs, including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Avalanche 2500, Cadillac Escalade, Escalade ESV, Escalade EXT, GMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, and Yukon XL 1500/2500. This part number, 926-891, is commonly searched for transfer case adapter replacement on Chevrolet Silverado and GMC Sierra 4x4 drivetrains.

What This Part Helps Fix

• Cracked or damaged transfer case adapter housing
• Loss of a solid transmission-to-transfer case connection
• Fluid seepage at the adapter interface
• Noise or vibration caused by a compromised adapter mount
• Service issues during transfer case reseal or drivetrain repair

Installation Notes and Tips

Verify vehicle fitment by year, make, and model before installation. Inspect the mating surfaces on the transmission and transfer case, and replace worn seals or damaged components as needed. The adapter uses two mounting holes and includes a gasket and seal; hardware is not included. Dorman 926-891 is intended for repair work where the original adapter is cracked, worn, or no longer sealing properly.

Quality Assurance

This Dorman transfer case adapter is manufactured from aluminum to provide a durable replacement for the original component. It is built to restore proper fit and sealing at the transmission and transfer case connection point on supported GM applications.