InMotion WS3186 Wheel Seal - Rear or Rear Inner

Wheel Seal for Rear Differential Applications

The InMotion WS3186 wheel seal is built for rear differential sealing where contamination control and leak prevention matter. It helps maintain a tight barrier against moisture and debris around the differential pinion area for dependable operation in classic Ford, Mercury, and Lincoln applications.

• Precision-fit wheel seal for rear and rear inner positions
• Helps block dirt, water, and road contaminants from entering sealed components
• Supports leak control at the differential pinion area
• Built from high-quality materials for durable service
• Compatible with select vehicles using a 9-inch ring gear

Vehicle Fitment

• Fits 1975-1978 Ford Thunderbird, rear.
• Fits 1975-1978 Mercury Grand Marquis, rear inner, with 9in ring gear.
• Fits 1973-1978 Mercury Marquis, rear inner, with 9in ring gear.
• Fits 1977 Lincoln Continental, rear.
• Fits 1974 Lincoln Continental, rear, with disc brakes.
• Fits 1973-1974 Mercury Colony Park, rear inner, with 9in ring gear.

What This Seal Helps Address

• Gear oil seepage at the differential pinion seal area
• Contamination from dust, water, and road debris
• Wear caused by compromised sealing surfaces
• Reduced sealing performance in rear axle service

Installation Notes

Confirm axle configuration, brake type, and ring gear size before installation. Inspect the sealing surface for wear or scoring and replace any damaged components as needed. The WS3186 is a direct-fit sealing component for the listed rear and rear inner applications.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support reliable sealing performance in the specified applications. Part number WS3186 is identified for the listed fitments, including Ford Thunderbird, Mercury Marquis, and Lincoln Continental models.