InMotion WS3553 Wheel Seal - Front

Front Differential Pinion Seal for Select GM and Isuzu Applications

The InMotion WS3553 is a front differential pinion seal built with nitrile sealing material for a precise barrier against moisture, dirt, and gear oil loss. It is sized for a 2.201 in inside diameter, 2.741 in outside diameter, and 0.197 in width to match the specified housing and shaft dimensions.

Use this seal when servicing the front differential on select Chevrolet, GMC, Oldsmobile, Buick, Cadillac, and Isuzu vehicles. The WS3553 helps maintain a tight seal at the pinion area, supporting cleaner operation and reducing the risk of contamination entering sensitive internal components.

Key Features

• Nitrile sealing material for dependable fluid sealing performance
• Inside diameter: 2.201 in
• Outside diameter: 2.741 in
• Width and thickness: 0.197 in
• Housing bore: 2.735 in
• Designed for front differential pinion applications
• Part number: WS3553

Detailed Description

InMotion WS3553 is a front wheel seal used at the differential pinion location on a wide range of vehicles, including 1995-2005 Chevrolet Blazer, 1983-2004 Chevrolet S10, 1991-2004 GMC Sonoma, 1992-2001 GMC Jimmy, and 1996-2001 Oldsmobile Bravada. It also fits select Buick Riviera, Cadillac Eldorado, Cadillac Seville, Oldsmobile Toronado, GMC S15, GMC S15 Jimmy, Chevrolet S10 Blazer, and Isuzu Hombre front applications. The nitrile construction is selected for sealing durability where gear oil retention and contaminant exclusion matter.

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

Common Problems This Seal Can Address

• Gear oil seepage at the front differential pinion area
• Contamination from road debris and moisture entering the seal area
• Wear-related sealing loss during differential service
• Noise or driveline concerns associated with low lubricant level
• Maintenance replacement during front differential repair

Installation Notes and Tips

Confirm shaft diameter, housing bore, and seal width before installation. Clean the sealing surface and inspect the pinion area for wear, scoring, or debris that could affect sealing performance. Proper alignment during installation is important to avoid damaging the nitrile lip and to help the seal seat evenly in the housing.

Quality Assurance

Built from high-quality materials and engineered for a precise fit, the WS3553 is intended to provide a secure seal at the front differential pinion location. Its dimensional specifications support accurate replacement service on the listed applications.