InMotion WS415960 Wheel Seal - Front Inner or Rear Inner

Wheel Seal for Differential Pinion Applications

The InMotion WS415960 wheel seal is built with nitrile material and precise dimensions to help maintain a secure seal at the differential pinion area. It is designed to keep contaminants out and help reduce fluid leakage in demanding driveline service.

Key Features

• Nitrile construction for sealing performance in driveline environments
• Inside diameter: 2.75 in.
• Outside diameter: 3.881 in.
• Width: 0.375 in.
• Shaft diameter: 2.75 in.
• Housing bore: 3.876 in.

Detailed Description

InMotion WS415960 is a differential pinion seal engineered for a precise fit around the shaft and housing bore dimensions listed above. By forming a tight barrier at the pinion area, it helps protect sensitive internal components from moisture, road debris, and other contaminants that can accelerate wear. This seal is a direct-fit service part for applications including Ford F-250, Ford F-350, Chevrolet K30, Chevrolet V30, GMC K3500, GMC V3500, and Ford F-250 HD front inner positions, plus select Ford F-350 rear inner applications. If you are servicing a Ford F-250 front inner axle seal or a Ford F-350 rear inner differential seal, WS415960 provides the dimensional accuracy needed for the job.

This part cross-references no listed interchange numbers in the provided data. Part number WS415960 is the identifier to verify during ordering and service lookup.

What It Helps Address

• Differential pinion oil seepage or leakage
• Contamination entering the pinion seal area
• Premature wear from moisture and debris intrusion
• Seal replacement during axle or differential service
• Fitment needs for front inner and rear inner seal locations

Installation Notes and Tips

Confirm the shaft diameter, housing bore, and seal width before installation. Clean the sealing surface thoroughly, inspect the pinion area for wear or scoring, and verify the application by position and axle configuration before pressing the seal into place. For fitment, this seal is listed for 1980-1998 Ford F-250 front inner with Spicer 50.5-IFS axle, 1997 Ford F-250 HD front inner with Spicer 50.5-IFS axle, 1979-1997 Ford F-350 front inner, 1989-1991 Chevrolet V3500 front inner, 1987-1991 GMC V3500 front inner, 1987-1988 Chevrolet V30 front inner, 1977-1986 Chevrolet K30 front inner, 1979-1986 GMC K3500 front inner, 1978-1979 Ford F-250 front inner with Spicer 60-3F axle, 1967 Ford F-350 rear inner with 3.881 in. outside diameter, and 1957-1966 Ford F-350 rear inner.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and high-quality materials to support reliable differential sealing performance in service applications.