InMotion WS225500 Engine Crankshaft Seal - Front, Front Inner or Front Outer

Front Differential Pinion Seal for BMW, Audi, and VW

The InMotion WS225500 is a front differential pinion seal built with nitrile sealing material for a precise barrier against gear oil leaks, dirt, and moisture. It is a direct-fit sealing component for select BMW, Audi, and Volkswagen applications, including BMW X5, BMW 535d, BMW 740Ld xDrive, BMW 335d, Audi RS6, Audi A8, BMW M3, and Volkswagen Vanagon front or front inner positions.

Key Features

• Nitrile sealing material for dependable fluid retention and contaminant resistance
• Inside diameter: 2.165 in.; shaft diameter: 2.165 in.
• Outside diameter: 2.689 in.; housing bore: 2.677 in.
• Thickness and width: 0.315 in.
• Engineered for front differential pinion sealing applications
• Part number WS225500 for catalog and service matching

Detailed Description

InMotion WS225500 is a front differential pinion seal specified around exact dimensional fitment, including a 2.165-inch inside diameter and shaft diameter, 2.689-inch outside diameter, and 2.677-inch housing bore. The nitrile sealing surface helps maintain a tight seal at the pinion area, where consistent lubrication retention is critical to differential operation. This part number, WS225500, is listed for select BMW X5, BMW 535d, BMW 535d xDrive, BMW 740Ld xDrive, BMW 335d, BMW M3, Audi RS6, Audi A8, and Volkswagen Vanagon front or front inner applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from road debris and moisture entering the seal interface
• Seal wear that can lead to reduced differential fluid retention
• Noise or drivability concerns associated with low differential lubricant levels
• Service replacement needs on front differential pinion seal applications

Installation Notes and Tips

Verify shaft diameter, housing bore, and position before installation. Clean the sealing surface and inspect the pinion area for wear, scoring, or contamination before pressing in the new seal. Confirm the vehicle application by year, make, model, and position: Fits 2009-2018 BMW X5, front; Fits 2014-2016 BMW 535d, front; Fits 2014-2016 BMW 535d xDrive, front; Fits 2015 BMW 740Ld xDrive, front; Fits 2009-2011 BMW 335d, front; Fits 2003-2004 Audi RS6, front; Fits 1997-1999 Audi A8, front; Fits 1988-1991 BMW M3, front; Fits 1980-1991 Volkswagen Vanagon, front inner.

Quality Assurance

InMotion manufactures this seal with precision dimensions and nitrile sealing material to support reliable differential service. Part number WS225500 is cataloged for the listed BMW, Audi, and Volkswagen front differential pinion applications.