InMotion WS9568 Wheel Seal - Rear

Rear Differential Pinion Seal for Ford and Mercury

InMotion WS9568 is a nitrile wheel seal built to create a secure barrier at the differential pinion area. It helps keep moisture and road debris out while supporting a tight seal that reduces fluid loss and protects internal driveline components.

Key Features

• Nitrile construction for dependable sealing performance
• Inside diameter: 1.365 in.; shaft diameter: 1.365 in.
• Outside diameter: 2.379 in.; housing bore: 2.374 in.
• Width: 0.435 in. for a precise fit
• Direct-fit sealing solution for rear differential service
• Part number WS9568 for easy identification

Detailed Description

Built for driveline sealing applications, InMotion WS9568 is engineered to maintain a reliable seal at the differential pinion. The nitrile material is selected for sealing consistency, while the dimensional specs help support proper seating in the housing bore and around the shaft. This makes WS9568 a practical replacement for rear differential service on select Ford Bronco, Ford Econoline, Ford LTD, and Mercury applications.

Compatible With select rear axle applications including 1966-1977 Ford Bronco with 2,750lb axle(s), 1974-1975 Ford E-100 Econoline and E-100 Econoline Club Wagon with 2,750lb axle(s), 1961-1967 Ford Econoline with 2,700lb or 3,050lb axle(s), 1965-1967 Ford LTD with 9in ring gear, and 1961-1965 Mercury Colony Park, Marauder, and Villager with standard rear axle configurations. This part number, WS9568, is also a useful reference when matching the correct rear differential seal for these vehicles.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from dirt, water, and road debris
• Seal wear that can lead to driveline fluid loss
• Maintenance needs on aging rear axle assemblies
• Replacement of a worn rear differential seal on Ford and Mercury vehicles

Installation Notes and Tips

Verify shaft diameter, housing bore, and width before installation to confirm fitment. Clean the sealing surfaces thoroughly and inspect the pinion area for wear, scoring, or damage that could affect seal life. Confirm vehicle application details, including axle rating or ring gear configuration, before ordering. For fitment-specific service, WS9568 matches rear applications on the listed Ford Bronco, Ford Econoline, Ford LTD, and Mercury models.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and nitrile material selection to support consistent sealing performance in driveline service.