Dorman 697-727 Differential Cover - Rear

Durable Steel Differential Cover for GM Trucks and SUVs

The Dorman 697-727 differential cover is engineered to provide reliable protection for the rear differential on select Cadillac, Chevrolet, and GMC models. Designed with a robust steel construction and a black finish, this cover offers durability and corrosion resistance for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Constructed from heavy-duty steel for strength and durability
• Black finish enhances corrosion resistance and appearance
• Includes a filler plug for easy fluid maintenance
• Features 10 bolt holes for secure mounting (bolts not included)
• Package contains 1 differential cover and 1 drain plug

Product Details and Specifications

The Dorman 697-727 differential cover is designed specifically for use on various GM full-size trucks and SUVs, including the Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Express 1500, Suburban 1500, Tahoe, and GMC Yukon and Yukon XL 1500. Its steel material ensures long-lasting protection against impacts and wear, while the black finish helps prevent rust and corrosion. The cover includes a filler plug to facilitate differential fluid changes, but does not come with a gasket or mounting bolts, so these should be sourced separately during installation. With 10 bolt holes, it provides a secure fit to the differential housing.

Compatible Vehicles and Applications

This differential cover is compatible with the following makes and models:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Express 1500, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Savana 1500, Yukon, Yukon XL 1500

Common Issues Addressed by This Differential Cover

• Protects the differential housing from damage caused by road debris and impacts
• Prevents fluid leaks by providing a secure sealing surface (gasket not included)
• Helps maintain proper differential fluid levels with included filler and drain plugs
• Resists corrosion and rust in harsh driving environments
• Replaces damaged or worn factory differential covers to restore functionality

Installation Notes and Tips

• Ensure the differential housing surface is clean and free of old gasket material before installation
• Use a compatible gasket or sealant to prevent leaks, as this cover does not include a gasket
• Torque the 10 mounting bolts evenly to manufacturer specifications to avoid warping
• Drain old differential fluid before removing the existing cover and refill with fresh fluid after installation
• Check for leaks after installation and during initial operation

Quality Assurance and Warranty

Dorman manufactures the 697-727 differential cover to meet or exceed OEM standards for fit and function. The steel construction and protective black finish contribute to its durability and corrosion resistance. While specific warranty details should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.