InMotion WS1941 Wheel Seal - Front

Front Differential Pinion Seal for Lexus and Toyota

InMotion WS1941 is a nitrile wheel seal engineered 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 internal wear.

• Nitrile seal material for dependable sealing performance
• Inside diameter: 1.969 in.
• Outside diameter: 3.071 in.
• Width: 0.354 in.
• Shaft diameter: 1.969 in.
• Housing bore: 3.051 in.
• Front position application

Detailed Fitment and Function

This InMotion WS1941 seal is built for front differential service on select Lexus and Toyota vehicles, including 1987-1998 Toyota Supra, 1990-1997 Lexus LS400, 1992-2000 Lexus SC300, 1992-2000 Lexus SC400, 1993-2005 Lexus GS300, 1998-2000 Lexus GS400, 2001-2005 Lexus GS430, and 2002-2010 Lexus SC430. It is sized to match the specified shaft and housing dimensions for a precise seal at the pinion interface.

By sealing the differential pinion area, WS1941 helps maintain lubricant retention and protects sensitive internal components from contamination. For buyers searching for a front differential pinion seal for Lexus GS300, Lexus SC400, or Toyota Supra applications, this part number provides a direct replacement option with the listed dimensions.

Common Problems This Seal Can Address

• Differential fluid seepage at the pinion seal area
• Contamination from dirt, water, and road debris
• Seal wear from age, heat, and drivetrain movement
• Loss of differential lubricant that can affect internal components
• Noisy or rough operation caused by low fluid level

Installation Notes

Inspect the pinion yoke, sealing surface, and surrounding components before installation. Clean the bore thoroughly and verify the shaft diameter, housing bore, and seal width match the original specifications. Proper installation technique is important to avoid damaging the nitrile sealing lip or distorting the seal during press-in.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support reliable differential sealing performance. Part number WS1941 is built for the listed front applications and dimensional requirements.