InMotion WS370150A Wheel Seal - Front Inner

Wheel Seal for Differential Pinion Service

The InMotion WS370150A wheel seal is built with nitrile material and precise dimensions to help maintain a secure seal at the differential pinion area. It is made to keep moisture and road debris out while helping control fluid leakage in demanding driving conditions.

Key Features

• Nitrile construction for dependable sealing performance
• Outside diameter: 3.885 in.
• Housing bore: 3.875 in.
• Shaft diameter: 2.875 in.
• Width: 0.7 in.
• Part number WS370150A for ordering and service reference

Detailed Description

InMotion WS370150A is a differential pinion seal engineered for a precise fit around the shaft and housing bore dimensions listed above. By creating a tight barrier at the pinion area, it helps protect internal differential components from contamination and supports leak control during everyday driving, towing, and off-road use. This seal is a practical service part for technicians and owners replacing a worn seal on vehicles such as Honda Civic and Toyota Corolla applications where the correct pinion seal dimensions are required. The WS370150A part number should be matched carefully during service, and WS370150A may also be used as a reference when sourcing the correct replacement seal for Honda Civic or Toyota Corolla driveline repairs.

What It Helps Address

• Gear oil seepage at the differential pinion seal area
• Contamination from dirt, water, and road debris
• Seal wear caused by age, heat, and mileage
• Loss of sealing integrity around the pinion shaft
• Noise or driveline concerns related to low lubricant level

Installation Notes and Tips

Confirm shaft diameter, housing bore, outside diameter, and width before installation. Clean the sealing surface thoroughly and inspect the pinion area for scoring or wear that could affect seal life. Proper alignment during installation is important to avoid damaging the nitrile sealing lip. Verify the replacement against the original seal and service specifications for the vehicle.

Quality Assurance

InMotion manufactures this seal from nitrile material and precision-sized dimensions to support consistent sealing performance in driveline service. Part number WS370150A is intended for accurate replacement selection when servicing the differential pinion area.