Dorman 697-727 Differential Cover - Rear

Dorman 697-727 Differential Cover

This Dorman differential cover is a direct replacement for the original rear axle cover on select Chevrolet, GMC, Cadillac, and GMC van applications. Built from stamped steel with a black corrosion-resistant finish, it helps restore a secure seal and dependable protection for the differential housing.

Compatible with rear applications on the 2009-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, as well as select Cadillac Escalade, Chevrolet Tahoe, Suburban 1500, Avalanche, Express 1500, GMC Yukon, Yukon XL 1500, Savana 1500, and Escalade EXT models. Part number 697-727 is also cross-referenced to 25824253 for the same application.

Key Features

• Direct replacement differential cover for OE fit and function
• Stamped steel construction for strength and durability
• Black corrosion-resistant finish for long service life
• Includes a filler plug and drain plug
• 10-bolt differential cover design
• Made for rear differential applications

Detailed Description

Dorman 697-727 is engineered to replace a damaged, rusted, or leaking rear differential cover without changing the original housing layout. The steel construction provides a rigid sealing surface, while the black protective finish helps resist corrosion in demanding underbody conditions. This cover is a practical OE-style repair for Silverado 1500 and Sierra 1500 rear differentials, along with other listed GM truck, SUV, and van applications using the specified axle and ring gear configurations.

The cover is supplied with a filler plug and uses a 10-bolt pattern. Gasket or seal material is not included, and the cover does not include bolts or studs. For buyers searching for a rear differential cover for 2009-2021 Chevrolet Silverado 1500 or 2009-2021 GMC Sierra 1500, part number 697-727 provides a direct-fit replacement option.

What It Helps Fix

• Differential fluid leaks from a damaged or warped cover
• Rust or corrosion on the original rear axle cover
• Cracked or dented cover surfaces from road impact
• Service issues caused by a missing or damaged filler plug
• Maintenance concerns on rear differential housings with worn sealing surfaces

Installation Notes and Tips

Verify axle type, ring gear size, and vehicle application before installation. This cover is listed for rear use only and applies to specific Saginaw-American Axle setups, including 8.5 in. and 8.625 in. ring gear configurations on the vehicles shown. Clean the housing flange thoroughly before installing a new gasket or seal, since gasket material is not included with 697-727. Confirm the bolt count matches the 10-bolt cover pattern before assembly.

Quality Assurance

Dorman manufactures this differential cover as a direct replacement part built to match the original equipment fit and function for the listed applications. The stamped steel design and corrosion-resistant finish support reliable service in rear differential repairs.