InMotion WS8622 Differential Pinion Seal - Front Outer

Front Outer Differential Pinion Seal for GMC Axle

InMotion WS8622 is a differential pinion seal built for front outer applications on GMC axle setups. Made from nitrile, it is sized to create a tight seal at the pinion area, helping keep contaminants out and gear oil in.

• Nitrile construction for sealing performance in driveline service
• Inside diameter: 1.94 in.; shaft diameter: 1.94 in.
• Outside diameter: 2.817 in.; housing bore: 2.813 in.
• Thickness: 0.428 in. for proper seal depth
• Direct fit for front outer positions on listed Chevrolet and GMC 4x4 applications

Seal Design and Fitment

This differential pinion seal is engineered for the front outer position and is listed for Chevrolet Blazer, Chevrolet V1500 Suburban, Chevrolet V2500 Suburban, Chevrolet V10 Suburban, Chevrolet V20 Suburban, Chevrolet V10, Chevrolet V20, Chevrolet K10, Chevrolet K10 Suburban, Chevrolet K20, Chevrolet K20 Suburban, Chevrolet K5 Blazer, GMC Jimmy, GMC V1500 Suburban, GMC V2500 Suburban, GMC V1500, GMC V2500, GMC K1500, GMC K1500 Suburban, GMC K2500, and GMC K2500 Suburban models with GMC axle configurations. InMotion WS8622 is sized to match the pinion shaft and housing bore dimensions called out for these vehicles, supporting a secure seal at the differential input.

This part cross-references no listed interchange numbers in the provided data.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from dirt, water, and road debris entering the seal area
• Wear-related sealing loss at the front outer differential pinion
• Service issues on 4x4 Chevrolet and GMC driveline assemblies
• Seal replacement needs during differential maintenance

Installation Notes and Tips

Confirm the housing bore, shaft diameter, and front outer position before installation. Clean the sealing surface thoroughly and inspect the pinion yoke and surrounding components for wear or scoring that could affect seal life. Proper alignment during installation helps the nitrile sealing lip seat evenly.

Quality Assurance

InMotion manufactures this seal with precision-focused construction and high-quality materials for differential service. The design is intended to provide a reliable barrier against moisture and debris while helping maintain differential lubrication over time.