InMotion WS480821 Power Steering Pump Shaft Seal

Power Steering Shaft Seal for Classic Trucks

InMotion WS480821 is a nitrile power steering pump shaft seal built to maintain a tight barrier at the shaft opening and help keep contaminants out of the steering system. With a 0.75 in inside diameter, 0.25 in thickness, and 1.316 in outside diameter, it is sized for specific Saginaw-style applications found across a wide range of Jeep, Ford, Chevrolet, and GMC vehicles.

Use WS480821 when servicing a leaking steering pump shaft area on vehicles such as the Jeep CJ5, Ford F-150, or Chevrolet C10. The nitrile sealing material is selected for fluid resistance and consistent sealing performance in steering system service.

Key Features

• Nitrile sealing material for steering system fluid resistance
• 0.75 in shaft diameter and 0.75 in inside diameter
• 0.25 in width and 0.25 in thickness for precise fitment
• 1.316 in outside diameter with 1.312 in housing bore specification
• Direct-fit service part for select power steering pump shaft applications
• Part number WS480821 for ordering and catalog matching

Detailed Description

This InMotion shaft seal is engineered to create a secure seal at the power steering pump shaft, helping reduce fluid leakage and limiting the entry of dirt and moisture into the steering assembly. The nitrile construction supports dependable sealing in demanding underhood conditions, while the dimensional specifications help ensure proper seating in the housing bore. WS480821 is a practical replacement choice for older trucks, vans, and utility vehicles that use compatible steering pump hardware.

Fits 1975-1982 Ford F-150, Saginaw. Fits 1975-1982 Ford F-250, Saginaw. Fits 1975-1986 Chevrolet C10. Fits 1976-1986 Jeep CJ7. Fits 1993-1996 Jeep Grand Cherokee. Part number WS480821 is also a useful catalog reference when sourcing a power steering pump shaft seal for Jeep Wrangler, Chevrolet S10, and GMC Sonoma applications.

Common Repair Uses

• Stops visible power steering fluid seepage at the pump shaft
• Helps keep road debris and moisture out of the steering pump
• Restores sealing performance during steering pump service
• Addresses worn or hardened shaft seal material
• Supports maintenance on classic Jeep, Ford, Chevrolet, and GMC steering systems

Installation Notes

Confirm shaft diameter, housing bore, and seal width before installation. Clean the seal bore and shaft surface thoroughly, and inspect for scoring, corrosion, or wear that could affect sealing. Match the application to the steering system notes shown in the fitment data, including Saginaw and manual steering references where listed. Verify fluid compatibility and proper seating during assembly.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and nitrile sealing material for consistent service in steering system repairs. The part number WS480821 helps simplify identification for maintenance and replacement work across confirmed fitments.