InMotion WS7486S Engine Crankshaft Seal - Front

Overview

InMotion WS7486S is a nitrile seal built to maintain a tight barrier against contaminants and fluid loss in the differential pinion area. It is a fitment-based replacement for a wide range of classic Ford and Mercury applications, including Ford Mustang, Ford Bronco, and Mercury Capri models.

Key Features

• Nitrile construction for dependable sealing performance.
• Precision dimensions help maintain a secure fit at the housing bore and shaft interface.
• Helps block debris and moisture from reaching sensitive internal components.
• Supports leak control in differential service applications.
• Fits multiple front differential pinion applications across Ford and Mercury vehicles.

Detailed Description

The InMotion WS7486S differential pinion seal is engineered for applications that require a reliable seal between the shaft and housing bore. Its nitrile material and measured dimensions, including a 1.75-inch inside diameter and 2.381-inch outside diameter, support consistent contact where sealing accuracy matters. This part is a practical choice for restoring sealing integrity on compatible Ford Mustang, Ford Bronco, and Mercury Capri applications, as well as other listed Ford and Mercury models. The WS7486S is intended to help keep contaminants out and fluid where it belongs, reducing wear on internal differential components.

What It Helps Address

• Gear oil seepage at the differential pinion seal area.
• Contamination from dirt, dust, and moisture entering the assembly.
• Loss of sealing integrity caused by worn or hardened seal material.
• Premature wear on internal differential components linked to leakage.
• Service issues on front differential pinion applications in classic Ford and Mercury vehicles.

Installation Notes and Tips

Verify shaft diameter and housing bore dimensions before installation. Clean the sealing surface thoroughly and inspect the mating components for wear, scoring, or corrosion. Proper alignment during installation helps the seal seat evenly and maintain contact. Confirm vehicle fitment by year, make, model, and front position before ordering WS7486S.

Quality Assurance

InMotion uses high-quality materials and precision engineering for this seal. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.