ATP Parts 111106 Differential Cover

Ford 9.75 Differential Cover Replacement

Restore the rear differential housing on select Ford and Lincoln trucks and SUVs with ATP Parts 111106. This differential cover is built for vehicles using the 9.75" ring gear and includes a gasket and internal magnet for a direct replacement on common Ford F-150, Expedition, and Navigator applications.

Key Features

• Direct replacement differential cover for the rear axle housing
• Fits vehicles with a 9.75" ring gear
• Includes gasket and internal magnet
• OE-style fit and function for dependable sealing
• Designed for Ford F-150, Ford Expedition, and Lincoln Navigator applications
• ATP Parts part number 111106

Product Details

ATP Parts 111106 is a differential cover replacement for select Ford and Lincoln driveline applications. The cover serves as the sealed lid for the differential housing, helping retain gear lubricant around the ring and pinion gears, bearings, and bushings. This part is a practical OE-style solution when the original cover is damaged by road debris, corrosion, or over-tightened drain plug and bolt service. This part cross-references Ford OE numbers 697705 and F75Z4033AA for the same application.

Compatible With 1997-2010 Ford F-150, 2003-2006 Ford E-150, 2006 Lincoln Mark LT, 2003-2005 Ford E-150 Club Wagon, 2004 Ford F-150 Heritage, 1997-2002 Ford E-150 Econoline, 1997-2002 Ford E-150 Econoline Club Wagon, 2002 Lincoln Blackwood, 1998-2002 Lincoln Navigator, and 1997-2001 Ford Expedition, all with a 9.75" ring gear.

Common Issues This Part Can Address

• Cracked or dented differential cover from road impact
• Gear oil leaks at the rear axle housing
• Corrosion around the differential cover sealing surface
• Damaged drain plug or bolt threads from overtightening
• Contamination concerns when the cover no longer seals properly

Installation Notes

Drain the differential before removing the existing cover. Clean the housing flange thoroughly so the gasket can seal correctly, and inspect the mating surface for damage or corrosion before installation. Confirm the axle uses a 9.75" ring gear and verify vehicle application by year, make, and model before ordering ATP Parts 111106.

Quality Assurance

ATP Parts 111106 is built as a replacement differential cover that matches original fit and function for the listed Ford and Lincoln applications. The included internal magnet helps collect metallic wear material inside the housing during normal operation.