InMotion WS9178S Wheel Seal - Rear Inner

Rear Inner Wheel Seal for Corvette

InMotion WS9178S is a nitrile wheel seal built for the rear inner position on 1963-1982 Chevrolet Corvette applications. It is sized for a 1.687 in inside diameter and shaft diameter, with a 2.609 in outside diameter and 0.235 in width for a precise sealing fit.

Key Features

• Nitrile seal material for dependable fluid resistance
• Inside diameter: 1.687 in
• Shaft diameter: 1.687 in
• Outside diameter: 2.609 in
• Housing bore: 2.605 in
• Width: 0.235 in
• Designed for the rear inner position on Chevrolet Corvette driveline applications

Detailed Description

This InMotion wheel seal, part number WS9178S, is engineered to create a secure barrier at the differential pinion area and help keep contaminants out of sensitive internal components. The nitrile construction is selected for sealing performance in driveline service, while the dimensional specs support a tight, reliable fit in the housing bore. For Chevrolet Corvette owners servicing rear axle sealing, WS9178S provides a direct-fit solution for the rear inner location across 1963-1982 Corvette models.

Compatible With 1963-1982 Chevrolet Corvette, rear inner. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Gear oil seepage at the rear inner seal location
• Contamination from dirt, debris, and moisture entering the differential area
• Wear related to a compromised pinion sealing surface
• Loss of sealing integrity during differential service
• Maintenance needs on 1963-1982 Chevrolet Corvette rear axle assemblies

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation to confirm proper seating. Inspect the sealing surface for scoring or corrosion, and clean the bore thoroughly before pressing in the new seal. For best results, install the seal squarely to avoid distortion and check for leaks after reassembly.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support reliable driveline sealing performance. Part number WS9178S is built for consistent fitment on the specified Chevrolet Corvette rear inner application.