InMotion WS331227H Automatic Transmission Oil Pump Seal - Front

Automatic Transmission Oil Pump Seal for Chrysler Applications

InMotion WS331227H is a silicone automatic transmission oil pump seal built for front-position Chrysler transmission applications. It is engineered to create a secure sealing barrier that helps keep contaminants, debris, and moisture out of sensitive internal components while reducing the risk of fluid leaks.

With fitment across a wide range of Dodge, Jeep, Chrysler, Plymouth, Land Rover, Aston Martin, and Maserati vehicles, this seal supports service work on classic and late-model Chrysler-based transmissions. The WS331227H is a direct-fit sealing component for technicians and DIY rebuilders working on transmission sealing systems.

Key Features

• Silicone sealing material for consistent sealing performance
• Inside diameter: 1.875 in.
• Outside diameter: 2.628 in.
• Thickness / width: 0.375 in.
• Shaft diameter: 1.875 in.
• Housing bore: 2.624 in.
• Front position fitment for Chrysler transmission applications
• Part number: WS331227H

Detailed Description

InMotion WS331227H is designed for automatic transmission service where a precise oil pump seal is required. The silicone construction helps maintain a tight seal at the pump interface, supporting leak control and helping protect internal transmission components from contamination. This part is used in a broad range of Chrysler transmission families, including 46RH, 46RE, 47RH, 47RE, 48RE, A518, and A727 applications. It also appears in fitment for Dodge Ram 1500, Ram 2500, Ram 3500, Dakota, Durango, Jeep Grand Cherokee, and other Chrysler-platform vehicles. This part number, WS331227H, is a practical choice for transmission rebuilds and seal replacement work where exact dimensions matter.

This part cross-references common aftermarket listings for the same application.

What It Helps Address

• Transmission fluid seepage at the oil pump seal area
• Contamination entering the pump sealing surface
• Wear-related sealing loss during transmission rebuilds
• Moisture intrusion around the front transmission seal area
• Service issues on Chrysler-based automatic transmissions

Installation Notes and Tips

Verify transmission family, shaft diameter, and housing bore before installation. Clean the sealing surfaces thoroughly and inspect the pump bore for scoring or wear before pressing in the new seal. For best results, confirm front-position application and match the seal dimensions to the transmission being serviced. Fits 2006-2010 Dodge Ram 2500, front, with Chrysler 48RE Transmission; Fits 2008-2010 Dodge Ram 3500, front; Fits 2006-2007 Dodge Ram 3500, front, with Chrysler 47RE Transmission; Fits 2003-2005 Dodge Ram 2500, front, with Chrysler 47RE Transmission; Fits 2003-2005 Dodge Ram 3500, front, with Chrysler 48RE Transmission; Fits 1998-2003 Dodge Dakota, front, with Chrysler 46RE Transmission; Fits 1998-2003 Dodge Durango, front, with Chrysler 46RE Transmission; Fits 1994-2003 Dodge Ram 1500, front, with Chrysler 46RH Transmission; Fits 1998 Jeep Grand Cherokee, front, with Chrysler 46RE Transmission; Fits 1962-1975 Chrysler Imperial, front, with Chrysler A727 Transmission; Fits 1970-1974 Dodge Challenger, front, with Chrysler A727 Transmission.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials for transmission sealing service. The silicone construction and dimensional specifications support reliable fitment in confirmed Chrysler-based applications.