Dorman 926-817 Differential Gasket - Front

Differential Gasket for Front Axle Service

Dorman 926-817 is a direct replacement differential gasket for front differential housing service. It is built with aramid fibers and nitrile to help create a leak-resistant seal during reassembly on select Cadillac, Chevrolet, and GMC trucks and SUVs.

Use this Dorman differential gasket when servicing the front differential on applications such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. The part number 926-817 is made to replace the original gasket and support a clean, sealed repair.

Key Features

• Direct replacement differential gasket for front differential housing service
• Constructed from aramid fibers and nitrile for sealing performance
• Designed for front differential cover applications with 5- and 12-bolt cover patterns
• Mounting hole diameter: 10.5 mm
• Inside diameter dimensions: 222.4 mm and 97.2 mm
• Thickness: 1 mm
• Compatible with select Cadillac, Chevrolet, and GMC front differential applications

Detailed Description

Dorman 926-817 is a differential gasket engineered as a direct replacement for the original seal used during front differential service. The aramid fiber and nitrile construction is selected to help maintain a tight seal between the differential cover and housing after inspection, fluid service, or internal repairs. This gasket is intended for vehicles including the 2007-2020 Cadillac Escalade, 2007-2020 Chevrolet Silverado 1500, and 2008-2020 GMC Sierra, along with other listed front applications. This part cross-references GM OE 15270969 for the same application.

What It Helps Solve

• Differential fluid leaks at the cover sealing surface
• Seepage after differential cover removal and reinstallation
• Seal damage from repeated service or aging gasket material
• Improper sealing during front differential maintenance
• Need for an OE-style replacement gasket on listed GM vehicles

Installation Notes and Tips

Replace the gasket any time work is performed on the differential housing. Clean the mating surfaces thoroughly before installation and verify the cover bolt pattern and mounting dimensions match the application. Confirm front position fitment for your vehicle before ordering. Fits 2007-2020 Cadillac Escalade, front; Fits 2007-2020 Chevrolet Silverado 1500, front; Fits 2008-2020 GMC Sierra, front.

Quality Assurance

Dorman manufactures replacement parts to match original equipment form and function for service repairs. Part number 926-817 is built as a direct replacement differential gasket for the listed front differential applications.