InMotion WS4131 Wheel Seal - Front Inner

Wheel Seal for Differential Pinion Applications

The InMotion WS4131 wheel seal is built with nitrile material to help maintain a secure barrier against dirt, moisture, and other contaminants. With a 2.312-inch inside diameter, 3.004-inch outside diameter, and 0.375-inch width, it is sized for precise sealing performance in front inner applications on select Jeep models.

For Jeep CJ5, Jeep CJ7, and Jeep Scrambler front inner service, the WS4131 supports a tight seal at the differential pinion area to help reduce fluid loss and protect internal components from contamination.

Key Features

• Nitrile construction for sealing durability
• Inside diameter: 2.312 in.
• Outside diameter: 3.004 in.
• Width: 0.375 in.
• Shaft diameter: 2.312 in.
• Housing bore: 3.000 in.
• Front inner fitment for select Jeep driveline applications
• Part number: WS4131

Detailed Description

InMotion WS4131 is a precision wheel seal engineered for differential pinion sealing where contamination control and leak resistance matter. The nitrile sealing material is selected for dependable contact and fluid retention, while the listed dimensions support accurate fitment in the housing bore and on the shaft diameter. This part is a direct-fit style solution for 1977-1983 Jeep CJ5 front inner, 1977-1983 Jeep CJ7 front inner, and 1981-1983 Jeep Scrambler front inner applications. If you are servicing a Jeep CJ5, Jeep CJ7, or Jeep Scrambler front inner seal, WS4131 provides the dimensional match needed for a proper repair.

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

What It Helps Address

• Differential fluid seepage at the pinion seal area
• Contamination from road debris and moisture
• Wear caused by compromised sealing surfaces
• Loss of sealing integrity in front inner driveline service
• Service needs on Jeep CJ5, Jeep CJ7, and Jeep Scrambler front inner assemblies

Installation Notes and Tips

Verify shaft diameter and housing bore before installation to confirm the seal dimensions match the application. Inspect the sealing surface for scoring, corrosion, or debris, and clean the area thoroughly before assembly. Proper seating is important for maintaining a uniform seal and reducing the chance of leaks after service. Part number WS4131 should be matched to the confirmed front inner fitment listed for your vehicle.

Quality Assurance

InMotion manufactures this seal with precision-focused construction and high-quality materials to support reliable sealing performance in driveline service. The nitrile material and specified dimensions are provided to help ensure consistent fit and function in the listed Jeep applications.