InMotion WS8121S Wheel Seal - Front Inner

Front Inner Wheel Seal for Chrysler and Dodge

The InMotion WS8121S is a front inner wheel seal built with polyacrylate material for a precise sealing fit in select Chrysler and Dodge applications. It helps keep contaminants out of the differential pinion area while supporting leak control and long-term driveline protection.

Compatible with 1962-1972 Chrysler 300, Newport, New Yorker, and Town & Country, plus select Dodge Challenger, Charger, Dart, and Monaco models with 11-inch brakes. The WS8121S is a direct-fit sealing component for front inner service on these applications.

Key Features

• Brand: InMotion
• Part Number: WS8121S
• Part Type: Wheel Seal
• Material: Polyacrylate
• Inside Diameter: 1.73 in.
• Outside Diameter: 2.34 in.
• Width: 0.47 in.
• Shaft Diameter: 1.73 in.
• Housing Bore: 2.336 in.
• Front inner position fitment

Detailed Description

InMotion WS8121S is engineered as a sealing solution for the differential pinion area, where keeping moisture, road debris, and other contaminants out is critical to driveline reliability. Its polyacrylate construction and measured dimensions help provide a secure seal at the housing bore and shaft interface, supporting leak resistance and consistent operation in everyday driving or demanding road conditions. This part number, WS8121S, is listed for front inner use on Chrysler 300, Newport, New Yorker, and Town & Country models from 1963-1972, as well as Dodge Challenger, Charger, Dart, and Monaco applications with 11-inch brakes.

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

What It Helps Address

• Gear oil seepage at the front inner seal area
• Contamination entering the differential pinion assembly
• Wear caused by moisture and road debris intrusion
• Seal deterioration from age and mileage
• Service issues on Chrysler and Dodge front inner driveline applications

Installation Notes and Tips

Verify housing bore, shaft diameter, and position before installation. Clean the sealing surface thoroughly and inspect the mating components for wear, scoring, or corrosion before fitting the new seal. Confirm vehicle-specific fitment for the exact year, make, model, and brake configuration, especially on Dodge Challenger, Charger, Dart, and Monaco applications with 11-inch brakes.

Quality Assurance

Built from polyacrylate material and manufactured to dimensional specifications that support a secure seal in the intended application. InMotion positions this seal for reliable contamination control and leak resistance in front inner driveline service.