Dorman 797-101 Differential Bearing Kit - Front or Rear

Dorman 797-101 Differential Bearing Kit

Restore differential smoothness and bearing support with the Dorman 797-101 differential bearing kit. Built for front and rear differential service, it uses high-precision tapered bearings made to tighter tolerances for consistent operation under drivetrain load.

• Premium differential bearing kit for front or rear differential rebuilds
• High-precision tapered bearings engineered for tighter tolerances
• Steel bearing construction for durability in torque-heavy applications
• Includes bearing races for a complete service replacement
• Convenient kit helps reduce time spent sourcing individual differential components

Application and Fitment

Compatible with a wide range of Ford, Lincoln, and Mercury vehicles that use front or rear 8.8-inch ring gear differentials. Fits 2005-2019 Ford F-150, front, wo/Intermediate Axle Bearings; Fits 1997-2003 Ford F-150, front, wo/Intermediate Axle Bearings; Fits 1997-2018 Ford Expedition, front, wo/Intermediate Axle Bearings; Fits 1998-2012 Lincoln Navigator, front, wo/Intermediate Axle Bearings; Fits 1992-2011 Ford Crown Victoria, rear, 8.8 In. Ring Gear; Fits 1988-2011 Lincoln Town Car, rear, 8.8 In. Ring Gear; Fits 1981-2011 Mercury Grand Marquis, rear, 8.8 In. Ring Gear; Fits 2003-2008 Ford E-150, rear, 8.8 In. Ring Gear; Fits 2007-2008 Ford E-150 Econoline, rear, 8.8 In. Ring Gear; Fits 1987-2002 Ford E-150 Econoline, rear, 8.8 In. Ring Gear; Fits 2006-2008 Lincoln Mark LT, front, wo/Intermediate Axle Bearings; Fits 1990-2006 Ford Ranger, rear, 8.8 In. Ring Gear; Fits 2003-2005 Ford E-150 Club Wagon, rear, 8.8 In. Ring Gear; Fits 1991-2005 Ford Explorer, rear, 8.8 In. Ring Gear; Fits 2001-2005 Ford Explorer Sport Trac, rear, 8.8 In. Ring Gear; Fits 2003-2005 Lincoln Aviator, rear, w/Independent Rear Suspension; Fits 1997-2005 Mercury Mountaineer, rear, 8.8 In. Ring Gear; Fits 2004 Ford F-150, rear, 8.8 In. Ring Gear; Fits 1983-1996 Ford F-150, rear, 8.8 In. Ring Gear; Fits 2004 Ford F-150 Heritage, rear, 8.8 In. Ring Gear; Fits 1986-2004 Ford Mustang, rear, 8.8 In. Ring Gear; Fits 2003-2004 Mercury Marauder, rear, 8.8 In. Ring Gear; Fits 2002-2003 Lincoln Blackwood, front, wo/Intermediate Axle Bearings; Fits 1987-2002 Ford E-150 Econoline Club Wagon, rear, 8.8 In. Ring Gear; Fits 1997-2000 Ford F-250, front, wo/Intermediate Axle Bearings; Fits 1993-1998 Lincoln Mark VIII, rear, 8.8 In. Ring Gear; Fits 1990-1997 Ford Aerostar, rear, 8.8 In. Ring Gear; Fits 1988-1997 Ford Thunderbird, rear, 8.8 In. Ring Gear; Fits 1988-1997 Mercury Cougar, rear, 8.8 In. Ring Gear; Fits 1983-1996 Ford Bronco, rear, 8.8 In. Ring Gear; Fits 1984-1992 Lincoln Mark VII, rear, 8.8 In. Ring Gear; Fits 1987-1991 Ford LTD Crown Victoria, rear, 8.8 In. Ring Gear; Fits 1982-1991 Lincoln Continental, rear, 8.8 In. Ring Gear; Fits 1987-1991 Mercury Colony Park, rear, 8.8 In. Ring Gear; Fits 1983-1989 Ford F-250, rear, 8.8 In. Ring Gear; Fits 1981-1986 Ford LTD, rear, 8.8 In. Ring Gear; Fits 1986 Mercury Capri, rear, 8.8 In. Ring Gear; Fits 1981-1986 Mercury Marquis, rear, 8.8 In. Ring Gear; Fits 1980-1983 Lincoln Mark VI, rear, 8.8 In. Ring Gear.

This part cross-references 762B004 for the same application.

What It Helps Address

• Excess differential bearing wear during rebuilds
• Backlash-related noise from lower-grade bearings
• Rough or inconsistent differential operation under load
• Time lost sourcing individual bearing service components
• Front or rear differential service on 8.8-inch ring gear applications

Installation Notes

Verify ring gear diameter, shaft dimensions, and bearing race measurements before installation. Check the fitment notes carefully for front applications that require no intermediate axle bearings and rear applications that use an 8.8-inch ring gear. Use proper differential setup procedures, including shim selection and gear marking compound, to confirm bearing preload and gear contact pattern.

Quality Assurance

Dorman positions this kit as a premium differential service solution with high-precision bearings manufactured to tighter tolerances for longer service life than common lower-grade replacements. The kit includes bearing races and related setup materials listed in the product attributes to support a complete differential bearing replacement.