InMotion WS4765 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

The InMotion WS4765 is an automatic transmission extension housing seal built to maintain a tight seal at the transmission tail housing. With an inside diameter of 1.598 inches, outside diameter of 2.483 inches, shaft diameter of 1.598 inches, and housing bore of 2.476 inches, it is sized for precise sealing performance in a wide range of Ford, Lincoln, and Mercury applications.

Use this seal when servicing the transmission output area on vehicles such as the Ford F-150, Ford E-250, and Lincoln Town Car. The WS4765 is designed to help keep contaminants out and fluid in, supporting reliable operation across daily driving, towing, and higher-mileage service intervals.

Key Features

• Automatic transmission extension housing seal for the tail housing area
• Inside diameter: 1.598 in.
• Outside diameter: 2.483 in.
• Shaft diameter: 1.598 in.
• Housing bore: 2.476 in.
• Built for a secure seal against moisture and debris intrusion
• InMotion part number WS4765

Detailed Description

InMotion WS4765 is engineered as a precision-fit sealing component for the extension housing on supported Ford 4R70W, 4R70E, 4R75W, 4R75E, AOD-EW, 5R55W, and 5R55N transmission applications. Its dimensions are matched to the shaft and housing interface to help maintain consistent sealing at the rear of the transmission. For buyers searching for a Ford F-150 transmission extension housing seal, Ford E-150 tail housing seal, or Lincoln Town Car automatic transmission seal, this part number provides a direct service replacement option.

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

What It Helps Address

• Transmission fluid seepage at the extension housing
• Contamination from road debris and moisture
• Wear-related sealing loss at the output area
• Service issues on high-mileage Ford, Lincoln, and Mercury vehicles
• Rear transmission housing leaks during routine maintenance

Installation Notes and Tips

Confirm transmission code and application before installation, since fitment varies by model and year. Inspect the housing bore and shaft surface for scoring, corrosion, or wear before installing the new seal. Clean the sealing surfaces thoroughly and verify the seal seats evenly in the extension housing to help prevent leaks after service.

Quality Assurance

InMotion manufactures this seal with precision-focused construction and high-quality materials for dependable sealing performance in the specified applications. Part number WS4765 is listed for direct fitment across confirmed Ford, Lincoln, and Mercury vehicles, including Ford E-150, Ford E-250, Ford E-350 Super Duty, Ford Crown Victoria, Ford Expedition, Ford F-150, Lincoln Town Car, and Mercury Grand Marquis applications.

Compatible Vehicles

• Fits 2011-2014 Ford E-150, N/A, with Ford 4R75E Transmission
• Fits 2005 Ford E-150, N/A, with Ford 4R75E Transmission
• Fits 2010-2014 Ford E-250, N/A, with Ford 4R75E Transmission
• Fits 2005 Ford E-250, N/A, with Ford 4R75E Transmission
• Fits 2005-2014 Ford E-350 Super Duty, N/A, with Ford 4R75E Transmission
• Fits 2007-2011 Ford Crown Victoria, N/A, with Ford 4R75E Transmission
• Fits 2006-2011 Lincoln Town Car, N/A, with Ford 4R75E Transmission
• Fits 2007-2011 Mercury Grand Marquis, N/A, with Ford 4R75E Transmission
• Fits 2006-2010 Ford E-150, N/A, with Ford 4R70E Transmission
• Fits 2010 Ford F-150, N/A, with Ford 4R75E Transmission
• Fits 2008 Ford F-150, N/A, with Ford 4R75E Transmission
• Fits 2006-2009 Ford E-250, N/A, with Ford 4R70E Transmission
• Fits 2009 Ford F-150, N/A, with Ford 4R70E Transmission
• Fits 2005-2007 Ford F-150, N/A, with Ford 4R70E Transmission
• Fits 2006-2008 Lincoln Mark LT, N/A, with Ford 4R75E Transmission
• Fits 2005-2006 Ford Crown Victoria, N/A, with Ford 4R70E Transmission
• Fits 2005-2006 Ford Expedition, N/A, with Ford 4R75E Transmission
• Fits 2005-2006 Mercury Grand Marquis, N/A, with Ford 4R70E Transmission
• Fits 2005 Ford E-150 Club Wagon, N/A, with Ford 4R70E Transmission
• Fits 2005 Ford E-350 Club Wagon, N/A, with Ford 4R75E Transmission
• Fits 2004-2005 Lincoln Aviator, N/A, Boot Type
• Fits 2005 Lincoln Town Car, N/A, with Ford 4R70E Transmission
• Fits 2004 Ford Crown Victoria, N/A, with Ford 4R70W Transmission
• Fits 2004 Ford E-150, N/A, with Ford 4R75W Transmission
• Fits 2003-2004 Ford E-150 Club Wagon, N/A, with Ford 4R70W Transmission
• Fits 2003-2004 Ford E-250, N/A, with Ford 4R70W Transmission
• Fits 2004 Ford E-350 Club Wagon, N/A, with Ford 4R75W Transmission
• Fits 2004 Ford E-350 Super Duty, N/A, with Ford 4R75W Transmission
• Fits 1997-2004 Ford Expedition, N/A, with Ford 4R70W Transmission
• Fits 2004 Ford F-150, N/A, with Ford 4R75W Transmission
• Fits 2004 Ford F-150 Heritage, N/A, with Ford 4R70W Transmission
• Fits 2004 Ford Mustang, N/A, with Ford 4R70W Transmission
• Fits 2004 Lincoln Town Car, N/A, with Ford 4R70W Transmission
• Fits 2004 Mercury Grand Marquis, N/A, with Ford 4R70W Transmission
• Fits 2004 Mercury Marauder, N/A, with Ford 4R70W Transmission
• Fits 1995-2003 Ford Crown Victoria, N/A, with Ford AOD-EW Transmission
• Fits 2003 Ford E-150, N/A, with Ford 4R70W Transmission
• Fits 2002-2003 Ford Explorer, N/A, with Ford 5R55W Transmission
• Fits 2002-2003 Ford Explorer Sport, N/A, with Ford 5R55W Transmission
• Fits 1994-2003 Ford F-150, N/A, with Ford 4R70W Transmission
• Fits 1996-2003 Ford Mustang, N/A, with Ford AOD-EW Transmission
• Fits 2003 Lincoln Aviator, N/A, with Ford 5R55W Transmission
• Fits 1995-2003 Lincoln Town Car, N/A, with Ford AOD-EW Transmission
• Fits 1995-2003 Mercury Grand Marquis, N/A, with Ford AOD-EW Transmission
• Fits 2003 Mercury Marauder, N/A, with Ford AOD-EW Transmission
• Fits 2002-2003 Mercury Mountaineer, N/A, with Ford 5R55W Transmission
• Fits 2000-2002 Ford E-150 Econoline, N/A, with Ford 4R70W Transmission
• Fits 1998 Ford E-150 Econoline, N/A, with Ford 4R70W Transmission
• Fits 1995 Ford E-150 Econoline, N/A, with Ford 4R70W Transmission
• Fits 1999-2002 Ford E-150 Econoline Club Wagon, N/A, with Ford 4R70W Transmission
• Fits 1996-1997 Ford E-150 Econoline Club Wagon, N/A, with Ford 4R70W Transmission
• Fits 1994 Ford E-150 Econoline Club Wagon, N/A, with Ford 4R70W Transmission
• Fits 1994-2002 Ford E-250 Econoline, N/A, with Ford 4R70W Transmission
• Fits 2001-2002 Ford E-350 Super Duty, N/A, with Ford 4R70W Transmission
• Fits 1999 Ford E-350 Super Duty, N/A, with Ford 4R70W Transmission
• Fits 2002 Ford Thunderbird, N/A, with Ford 5R55N Transmission
• Fits 2000-2002 Lincoln LS, N/A, with Ford 5R55N Transmission
• Fits 1996-2001 Ford Explorer, N/A, with Ford 4R70W Transmission
• Fits 1997-2001 Mercury Mountaineer, N/A, with Ford 4R70W Transmission
• Fits 1999 Ford E-150 Econoline, N/A, with Ford AOD-EW Transmission
• Fits 1996-1997 Ford E-150 Econoline, N/A, with Ford AOD-EW Transmission
• Fits 1994 Ford E-150 Econoline, N/A, with Ford AOD-EW Transmission
• Fits 1997-1999 Ford E-350 Econoline Club Wagon, N/A, with Ford AOD-EW Transmission
• Fits 1997-1999 Ford F-250, N/A, with Ford 4R70W Transmission
• Fits 1998 Ford E-150 Econoline Club Wagon, N/A, with Ford AOD-EW Transmission
• Fits 1995 Ford E-150 Econoline Club Wagon, N/A, with Ford AOD-EW Transmission
• Fits 1997-1998 Ford E-350 Econoline, N/A, with Ford AOD-EW Transmission
• Fits 1993-1998 Lincoln Mark VIII, N/A, with Ford AOD-EW Transmission
• Fits 1997 Ford F-250 HD, N/A, with Ford 4R70W Transmission
• Fits 1994-1997 Ford Thunderbird, N/A, with Ford AOD-EW Transmission
• Fits 1994-1997 Mercury Cougar, N/A, with Ford AOD-EW Transmission