InMotion WS2286 Differential Pinion Seal - Rear Outer

Differential Pinion Seal for Rear Outer Applications

The InMotion WS2286 differential pinion seal is built for rear outer applications that need a precise, leak-resistant barrier at the pinion area. Made from nitrile, it helps keep contaminants out while maintaining a tight seal around the shaft and housing bore.

Use this seal for service work on Chevrolet and GMC rear axle assemblies where the 3.523-inch outside diameter and 2.201-inch shaft diameter match the required dimensions.

Key Features

• Nitrile construction for dependable sealing performance
• Inside diameter: 2.201 in.
• Outside diameter: 3.523 in.
• Thickness: 0.59 in.
• Shaft diameter: 2.201 in.
• Housing bore: 3.519 in.
• Designed for rear outer differential pinion seal applications
• Part number: WS2286

Detailed Description

InMotion WS2286 is a differential pinion seal engineered to create a secure seal at the pinion interface, helping reduce gear oil leakage and limiting exposure to dirt and moisture. The nitrile material is selected for sealing durability in driveline service, and the dimensional specs provide a direct reference for matching the seal to the axle housing and shaft requirements. This part is used in a wide range of Chevrolet C2500, K3500, and GMC Savana 3500 rear outer applications, as well as other 10.5-inch ring gear configurations listed below. This part number, WS2286, is a practical replacement choice when the original seal has hardened, worn, or begun to seep.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination entering the rear axle assembly
• Seal wear from age, heat, and driveline use
• Moisture intrusion around the pinion opening
• Loss of sealing integrity during differential service

Fitment and Installation Notes

Compatible with rear outer applications on the following vehicles:

• Fits 1997 Chevrolet C2500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet C2500 Suburban, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet C3500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet Express 2500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet Express 3500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet K2500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet K2500 Suburban, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet K3500, rear outer, 3.52in Outside Diameter
• Fits 1997 Chevrolet P30, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC C2500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC C2500 Suburban, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC C3500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC K2500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC K2500 Suburban, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC K3500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC P3500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC Savana 2500, rear outer, 3.52in Outside Diameter
• Fits 1997 GMC Savana 3500, rear outer, 3.52in Outside Diameter
• Fits 1988-1996 Chevrolet C2500, rear outer, with 10.5in Ring Gear
• Fits 1992-1996 Chevrolet C2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 Chevrolet C3500, rear outer, with 10.5in Ring Gear
• Fits 1996 Chevrolet Express 2500, rear outer, with 10.5in Ring Gear
• Fits 1996 Chevrolet Express 3500, rear outer, with 10.5in Ring Gear
• Fits 1991-1996 Chevrolet G30, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 Chevrolet K2500, rear outer, with 10.5in Ring Gear
• Fits 1992-1996 Chevrolet K2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 Chevrolet K3500, rear outer, with 10.5in Ring Gear
• Fits 1975-1996 Chevrolet P30, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 GMC C2500, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC C2500, rear outer, with 10.5in Ring Gear
• Fits 1992-1996 GMC C2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC C2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 GMC C3500, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC C3500, rear outer, with 10.5in Ring Gear
• Fits 1991-1996 GMC G3500, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 GMC K2500, rear outer, with 10.5in Ring Gear
• Fits 1979-1984 GMC K2500, rear outer, with 10.5in Ring Gear
• Fits 1992-1996 GMC K2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC K2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1988-1996 GMC K3500, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC K3500, rear outer, with 10.5in Ring Gear
• Fits 1979-1996 GMC P3500, rear outer, with 10.5in Ring Gear
• Fits 1996 GMC Savana 2500, rear outer, with 10.5in Ring Gear
• Fits 1996 GMC Savana 3500, rear outer, with 10.5in Ring Gear
• Fits 1989-1991 Chevrolet R2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1989-1991 Chevrolet R3500, rear outer, with 10.5in Ring Gear
• Fits 1989-1991 Chevrolet V2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1989-1991 Chevrolet V3500, rear outer, with 10.5in Ring Gear
• Fits 1987-1991 GMC R2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1987-1991 GMC R3500, rear outer, with 10.5in Ring Gear
• Fits 1987-1991 GMC V2500 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1987-1991 GMC V3500, rear outer, with 10.5in Ring Gear
• Fits 1989 Chevrolet R2500, rear outer, with 10.5in Ring Gear
• Fits 1987-1989 GMC R2500, rear outer, with 10.5in Ring Gear
• Fits 1987-1988 Chevrolet R20, rear outer, with 10.5in Ring Gear
• Fits 1987-1988 Chevrolet R20 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1987-1988 Chevrolet R30, rear outer, with 10.5in Ring Gear
• Fits 1987-1988 Chevrolet V20 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1987-1988 Chevrolet V30, rear outer, with 10.5in Ring Gear
• Fits 1987 Chevrolet V20, rear outer, with 10.5in Ring Gear
• Fits 1987 GMC V2500, rear outer, with 10.5in Ring Gear
• Fits 1975-1986 Chevrolet C20, rear outer, with 10.5in Ring Gear
• Fits 1973-1986 Chevrolet C20 Suburban, rear outer, with 10.5in Ring Gear
• Fits 1976-1986 Chevrolet C30, rear outer, with 10.5in Ring Gear
• Fits 1977-1986 Chevrolet K30, rear outer, with 10.5in Ring Gear
• Fits 1975-1986 Chevrolet P20, rear outer, with 10.5in Ring Gear
• Fits 1979-1986 GMC P2500, rear outer, with 10.5in Ring Gear
• Fits 1975-1984 Chevrolet K20, rear outer, with 10.5in Ring Gear
• Fits 1973-1984 Chevrolet K20 Suburban, rear outer, with 10.5in Ring Gear

Before installation, verify the housing bore, shaft diameter, and outside diameter against the axle specification. Clean the sealing surface thoroughly and inspect the pinion area for wear or scoring that could affect seal life.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and nitrile material selection for driveline sealing service. The WS2286 is specified for direct-fit applications where the listed measurements and rear outer position match the vehicle axle configuration.