InMotion WS4764 Automatic Transmission Output Shaft Seal

Automatic Transmission Output Shaft Seal for Ford and Nissan Applications

The InMotion WS4764 is an automatic transmission output shaft seal built with polyacrylate sealing material for a precise fit and dependable sealing performance. It helps keep transmission fluid contained while blocking contaminants that can affect internal components and driveline operation.

Use this seal when servicing Ford 4R70W, 4R70E, 4R75E, 4R75W, 5R55W, and 5R55N transmissions, as well as select Nissan and Lincoln applications. The WS4764 is sized with a 1.598 in inside diameter, 2.483 in outside diameter, and 0.42 in thickness for applications that require accurate shaft and housing dimensions.

Key Features

• Polyacrylate sealing material for transmission sealing applications
• Inside diameter: 1.598 in; shaft diameter: 1.598 in
• Outside diameter: 2.483 in; housing bore: 2.476 in
• Thickness and width: 0.42 in
• Direct-fit service part for select Ford, Lincoln, Mercury, and Nissan vehicles
• Part number WS4764 for catalog lookup and ordering

Detailed Description

InMotion WS4764 is an automatic transmission output shaft seal engineered for vehicles that rely on a tight seal at the transmission output area. Its polyacrylate construction is selected for sealing performance in transmission environments where fluid retention and contamination control matter. This part is used across a wide range of applications, including 1994-2014 Ford E-Series vans, 1994-2010 Ford F-150 and related truck applications, 1995-2011 Ford Crown Victoria and Mustang models, plus select Lincoln Town Car, Mercury Grand Marquis, and Nissan Quest, Altima, and Maxima vehicles. If you are searching for a Ford 4R75E transmission output shaft seal or a WS4764 replacement for a Nissan Quest with Aisin 55-50SN transmission, this part matches those listed applications.

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

What It Helps Address

• Transmission fluid seepage at the output shaft area
• Contamination entering the transmission through a worn seal
• Seal wear from age, heat, and fluid exposure
• Service issues during transmission rebuilds or resealing work
• Fitment concerns when replacing a damaged output shaft seal on listed Ford, Lincoln, Mercury, or Nissan vehicles

Installation Notes and Tips

Confirm transmission type before installation, since fitment varies by model year and transmission family. Inspect the shaft surface and housing bore for wear, scoring, or debris before installing the new seal. Clean the sealing area thoroughly and verify the seal seats evenly to maintain proper contact.

Compatible With: Fits 2013-2014 Ford E-150, with Ford 4R75E Transmission; Fits 2005-2014 Ford E-350 Super Duty, with Ford 4R75E Transmission; Fits 2004-2009 Nissan Quest, with Aisin 55-50SN Transmission; Fits 2006-2011 Lincoln Town Car, with Ford 4R75E Transmission; Fits 2007-2011 Mercury Grand Marquis, with Ford 4R75E Transmission.

Quality Assurance

InMotion manufactures this seal with precision sizing and high-quality sealing material to support reliable transmission service on the listed applications. Part number WS4764 is specified for direct identification in catalog and repair workflows.