InMotion WS710447 Engine Crankshaft Seal - Front

Overview

The InMotion WS710447 is a differential pinion seal built for front applications on a wide range of Jeep and American Motors vehicles. It uses polyacrylate construction and precise dimensions to create a secure sealing surface that helps keep contaminants out and gear oil in.

Compatible With Jeep Grand Wagoneer, Jeep J10, Jeep J20, Jeep Cherokee, Jeep Wagoneer, Jeep CJ5, Jeep CJ7, and related American Motors models, this seal supports reliable differential service where a tight pinion seal is required. The WS710447 is a direct-fit style replacement for many classic 4x4 and passenger applications.

Key Features

• Polyacrylate seal material for durable sealing performance.
• Precision sizing with a 2 in. inside diameter and 2.75 in. outside diameter.
• Designed to maintain a tight barrier against moisture and debris.
• Built for front differential pinion applications.
• Fits a broad range of Jeep and American Motors vehicles from 1966-1991.

Detailed Description

The WS710447 is engineered as a front differential pinion seal for classic Jeep and American Motors drivetrains. Its measured dimensions, including a 2 in. shaft diameter and 2.745 in. housing bore, support a precise fit at the pinion opening, where sealing integrity is critical to differential life. The seal helps reduce leakage and limits contamination that can affect internal components.

This part is a strong match for restoration work and routine differential repair on vehicles such as the Jeep Grand Wagoneer, Jeep CJ5, and American Motors AMX. Part number WS710447 is also useful when cross-checking service records or matching an existing seal during teardown.

What It Is Used For

• Stopping gear oil leaks at the differential pinion.
• Keeping dirt and moisture out of the differential housing.
• Restoring sealing performance on worn or damaged pinion seals.
• Supporting maintenance on older Jeep and American Motors drivetrains.
• Replacing a seal that no longer holds proper tension on the shaft.

Installation Notes and Tips

Verify shaft diameter and housing bore before installation to confirm fitment. Clean the sealing surface thoroughly and inspect the pinion area for wear, scoring, or contamination before fitting the new seal. Proper alignment during installation helps the seal seat evenly and maintain contact pressure.

Quality Assurance

InMotion manufactures this seal with precision-focused construction and high-quality materials to support dependable differential sealing. Part number WS710447 is built for consistent fit and sealing performance across the listed applications.