Dorman 697-781 Differential Disc Kit

Differential Disc Kit for 9.75 In. Axles

Dorman 697-781 is a differential disc kit for restoring posi-traction function in select Ford, Lincoln, and Transit applications with a 9.75 in. axle. It is built as a direct-fit repair solution that matches the original disc’s fit and performance on the listed vehicles.

Key Features

• Direct-fit differential clutch kit for posi-traction service
• Designed for 9.75 in. axle applications
• Outside diameter: 3.9 in.
• Inside diameters: 2.068 in. and 2.28 in.
• Steel shim material for service replacement use
• Fits select Ford F-150, Expedition, Transit, and Lincoln Navigator applications
• Part number 697-781 for catalog and service reference

Detailed Description

This Dorman differential disc kit is made for servicing the limited-slip or posi-traction function in compatible 9.75 in. axle assemblies. It is a practical replacement for worn clutch discs when the differential begins to lose traction performance, helping restore the original operating feel on applications such as Ford F-150, Ford Expedition, Lincoln Navigator, and Ford Transit. Part number 697-781 is also cross-referenced to 3L1Z4947AB for the same application.

Compatible With 2005-2014 Ford F-150, 2005-2017 Ford Expedition, 2005-2017 Lincoln Navigator, and 2015-2018 Ford Transit models equipped with the 9.75 in. axle. It also covers 2005-2006 Ford E-150, 2005 Ford E-150 Club Wagon, and select Lincoln Mark LT applications with the same axle specification.

Common Problems It Can Help Address

• Reduced limited-slip or posi-traction performance
• Chatter or inconsistent differential engagement
• Worn clutch disc surfaces in the differential pack
• Loss of traction transfer under acceleration
• Service needs during differential rebuild or axle maintenance

Installation Notes and Tips

Verify axle size and vehicle application before installation. Confirm the inside diameter and outside diameter match the original service parts for the differential assembly. Inspect related differential components, including clutches, shims, and wear surfaces, during service so the repair is completed to the correct specification.

Quality Assurance

Dorman designs this replacement part to match the fit and performance of the original disc on the listed vehicle applications. The steel shim construction and application-specific dimensions support accurate service replacement for the differential clutch system.