InMotion WS5126 Differential Pinion Seal - Rear Outer

Differential Pinion Seal for Chrysler Axle Applications

The InMotion WS5126 differential pinion seal is built for rear outer Chrysler axle applications that need a precise sealing surface and dependable contamination control. Made from nitrile, it helps maintain a tight barrier at the pinion area to reduce fluid loss and keep debris and moisture out of the differential.

Compatible With a wide range of Dodge, Chrysler, and Plymouth vehicles, including Dodge Ram 1500, Dodge Ram 2500, Dodge Dakota, and Chrysler Newport applications with Chrysler axle setups. The WS5126 is sized for the pinion seal location and supports consistent sealing performance in demanding daily driving and older restoration projects alike.

Key Features

• Brand: InMotion
• Part Number: WS5126
• Part Type: Differential Pinion Seal
• Material: Nitrile for sealing durability
• Inside Diameter: 1.875 in.
• Outside Diameter: 2.817 in.
• Thickness: 0.5 in.
• Shaft Diameter: 1.875 in.
• Housing Bore: 2.813 in.
• Designed for rear outer Chrysler axle applications

Detailed Description

The InMotion WS5126 differential pinion seal is engineered to create a secure seal at the differential pinion, where maintaining lubricant retention is critical to driveline life. Its nitrile construction provides a practical balance of sealing performance and material resilience for Chrysler axle-equipped vehicles. This seal is a direct-fit style service part for rear outer applications across many Dodge, Chrysler, and Plymouth models, including Dodge Ram 1500, Dodge Ram 2500, and Dodge Dakota listings.

Use the WS5126 when servicing a leaking pinion area or replacing a worn seal during differential maintenance. The part number WS5126 is also useful when cross-checking service records or ordering by reference for Chrysler axle rear outer applications.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from dirt, road debris, and moisture
• Seal wear from age, heat, and driveline use
• Loss of lubricant that can affect differential operation
• Service needs on Chrysler axle rear outer pinion locations

Installation Notes and Tips

Confirm axle type, seal dimensions, and position before installation. This seal is listed for rear outer Chrysler axle applications, so verify the housing bore and shaft diameter match the service opening. Inspect the pinion surface for wear or scoring before installing the new seal, and clean the sealing area thoroughly to promote proper seating.

Fits 1998-1999 Dodge Dakota, Rear Outer, with Chrysler Axle; Fits 1998-1999 Dodge Durango, Rear Outer, with Chrysler Axle; Fits 1994-1999 Dodge Ram 1500, Rear Outer, with Chrysler Axle; Fits 1994-1999 Dodge Ram 2500, Rear Outer, with Chrysler Axle; Fits 1999 Dodge Ram 2500 Van, Rear Outer, with Chrysler Axle; Fits 1999 Dodge Ram 3500 Van, Rear Outer, with Chrysler Axle; Fits 1995-1998 Dodge B2500, Rear Outer, with Chrysler Axle; Fits 1995-1998 Dodge B3500, Rear Outer, with Chrysler Axle; Fits 1981-1994 Dodge B250, Rear Outer, with Chrysler Axle; Fits 1984-1994 Dodge B350, Rear Outer, with Chrysler Axle; Fits 1977-1993 Dodge D150, Rear Outer, with Chrysler Axle; Fits 1984-1993 Dodge D250, Rear Outer, with Chrysler Axle; Fits 1974-1993 Dodge Ramcharger, Rear Outer, with Chrysler Axle; Fits 1977-1993 Dodge W150, Rear Outer, with Chrysler Axle; Fits 1984-1993 Dodge W250, Rear Outer, with Chrysler Axle; Fits 1984-1989 Dodge D100, Rear Outer, with Chrysler Axle; Fits 1975-1979 Dodge D100, Rear Outer, with Chrysler Axle; Fits 1981-1989 Dodge D350, Rear Outer, with Chrysler Axle; Fits 1984-1989 Dodge W100, Rear Outer, with Chrysler Axle; Fits 1975-1977 Dodge W100, Rear Outer, with Chrysler Axle; Fits 1981-1989 Dodge W350, Rear Outer, with Chrysler Axle; Fits 1981-1985 Dodge B150, Rear Outer, with Chrysler Axle; Fits 1981-1983 Plymouth PB150, Rear Outer, with Chrysler Axle; Fits 1981-1983 Plymouth PB250, Rear Outer, with Chrysler Axle; Fits 1969-1981 Chrysler New Yorker, Rear Outer, with Chrysler Axle; Fits 1960-1962 Chrysler New Yorker, Rear Outer, with Chrysler Axle; Fits 1969-1981 Chrysler Newport, Rear Outer, with Chrysler Axle; Fits 1957-1960 Chrysler Newport, Rear Outer, with Chrysler Axle; Fits 1975-1980 Dodge B100, Rear Outer, with Chrysler Axle; Fits 1975-1980 Dodge B200, Rear Outer, with Chrysler Axle; Fits 1975-1980 Dodge D200, Rear Outer, with Chrysler Axle; Fits 1975-1980 Dodge W200, Rear Outer, with Chrysler Axle; Fits 1978-1979 Dodge Magnum, Rear Outer, with Chrysler Axle; Fits 1974-1978 Dodge Charger, Rear Outer, with Chrysler Axle; Fits 1969-1978 Dodge Monaco, Rear Outer, with Chrysler Axle; Fits 1969-1977 Chrysler Town & Country, Rear Outer, with Chrysler Axle; Fits 1960 Chrysler Town & Country, Rear Outer, with Chrysler Axle; Fits 1969-1975 Chrysler Imperial, Rear Outer, with Chrysler Axle; Fits 1957-1962 Chrysler Imperial, Rear Outer, with Chrysler Axle; Fits 1970-1974 Dodge Challenger, Rear Outer, with Chrysler Axle; Fits 1969-1972 Dodge Dart, Rear Outer, with Chrysler Axle; Fits 1960-1962 Dodge Dart, Rear Outer, with Chrysler Axle; Fits 1969-1971 Chrysler 300, Rear Outer, with Chrysler Axle; Fits 1957-1960 Chrysler 300, Rear Outer, with Chrysler Axle; Fits 1961-1962 Dodge Lancer, Rear Outer, with Chrysler Axle; Fits 1958-1959 Dodge Lancer, Rear Outer, with Chrysler Axle.

Quality Assurance

InMotion manufactures this seal with precision sizing and high-quality nitrile material to support reliable differential sealing in Chrysler axle applications. The WS5126 is built to meet the dimensional requirements listed for the application and to provide consistent service in routine maintenance or repair work.