Replace a rusted, damaged or leaking rear cover with this Dorman differential cover, part number 697-704, designed for a reliable, leak-free repair. It fits many vehicles, among them the 2000-2008 Ford F-150, 1985-1999 Ford F-250 and 1999-2020 Ford F-250 Super Duty. See the "Vehicles it fits" section for the full list and engine details.
- Direct replacement: Built to fit and work like the original equipment diff cover on select vehicles.
- Reliable repair: A smart way to fix an existing cover that is rusted, damaged or leaking differential fluid.
- Durable construction: Made to strict engineering standards to help deliver dependable service.
- Trustworthy quality: Backed by a team of product experts in the United States and more than a century of automotive experience.
The rear differential cover encloses the differential housing. It keeps differential fluid inside and helps keep dirt, water and road debris out. Fluid seeping around the cover's edge, heavy rust, cracks or dents are signs the cover may need replacing. Other seals can also leak, so confirm the source of any leak before you replace the cover. During installation, follow the vehicle service information for the sealing method, the correct fasteners and whether the original fasteners may be reused. Then refill with the differential fluid type and amount the service information specifies.
Interchange: 111105 · E5TZ4033A · LC3Z4033A
This part cross-references / interchanges with the following part numbers:
111105, E5TZ4033A, LC3Z4033A
Frequently Asked Questions
Does this work as a 2000-2008 Ford F-150 differential cover?
It is listed for the 2000-2008 Ford F-150. It also fits the 1985-1999 Ford F-250 and 1999-2020 Ford F-250 Super Duty. Check the "Vehicles it fits" section to confirm your exact vehicle.
What does a differential cover do?
It encloses the rear differential housing, keeping differential fluid in and helping keep dirt, water and debris out.
What are signs my differential cover may need replacing?
Signs include fluid seeping around the cover, heavy rust, cracks or dents. Confirm the leak's source first, because fluid can also escape from other seals.
Is this a front or rear differential cover?
This Dorman 697-704 is a rear differential cover for the listed applications.
Can I reuse my original cover bolts?
Follow the vehicle service information for the correct fasteners, sealing method and whether the originals may be reused. Then refill with the specified differential fluid.
