HomeBelts and Cooling > Water Pump and Related ComponentsInMotion WU4128 Engine Water Pump
Part #: WU4128

InMotion WU4128 Engine Water Pump

⚙️ 39 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Crown Victoria, Grand Marquis, Marauder, Mustang, and Town Car
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Engine Water Pump for Ford, Lincoln, and Mercury

Restore cooling system performance with the InMotion WU4128 engine water pump. This OE-fit replacement is built for select Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, Ford Mustang, and Mercury Marauder applications, with precision-machined internals for steady coolant circulation and dependable operation.

  • Precision-machined impeller for consistent coolant flow
  • High-quality bearings and seals for smooth, leak-resistant operation
  • Corrosion-resistant housing for long-term durability
  • Engineered for OEM-style fit and straightforward installation
  • Direct replacement for select 2001-2011 Ford, Lincoln, and Mercury V8 applications

Fitment Details

  • Fits 2003-2011 Ford Crown Victoria, N/A
  • Fits 2002-2011 Lincoln Town Car, N/A
  • Fits 2003-2011 Mercury Grand Marquis, N/A
  • Fits 2001-2004 Ford Mustang, N/A
  • Fits 2003-2004 Mercury Marauder, N/A
  • Fits 2001-2002 Ford Crown Victoria, N/A, Short Pump
  • Fits 2001-2002 Mercury Grand Marquis, N/A, with 2 1/2" Hub Height
  • Fits 2001 Lincoln Town Car, N/A, with 2 1/2" Hub Height

Detailed Description

The InMotion WU4128 water pump is designed for vehicles that need reliable engine cooling under daily driving and demanding conditions. It helps maintain proper coolant movement through the engine, radiator, and heater circuit, supporting stable operating temperatures in Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, Ford Mustang, and Mercury Marauder models. The corrosion-resistant housing, sealed bearing design, and precision-machined impeller work together to deliver consistent performance and a direct-fit replacement solution.

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

What It Helps Address

  • Engine overheating from weak coolant circulation
  • Coolant leaks from worn seals or housing wear
  • Noisy operation caused by failing pump bearings
  • Reduced cooling efficiency in high-mileage engines
  • Fitment issues from an incorrect replacement pump

Installation Notes and Tips

Verify the engine configuration and hub height before installation, especially on 2001-2002 Ford Crown Victoria, Mercury Grand Marquis, and 2001 Lincoln Town Car applications with specific pump notes. Inspect the cooling system, gasket surfaces, hoses, and thermostat during service, and flush contaminated coolant before installing the new pump. Confirm pulley alignment and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

InMotion WU4128 is built with durable bearings, seals, and a corrosion-resistant housing for dependable service in OEM-style applications. Part number WU4128 is intended as a direct replacement water pump for select Ford, Lincoln, and Mercury vehicles.

This part fits 39 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011FordCrown Victoria4.6LV8N/A
2011LincolnTown Car4.6LV8N/A
2011MercuryGrand Marquis4.6LV8N/A
2010FordCrown Victoria4.6LV8N/A
2010LincolnTown Car4.6LV8N/A
2010MercuryGrand Marquis4.6LV8N/A
2009FordCrown Victoria4.6LV8N/A
2009LincolnTown Car4.6LV8N/A
2009MercuryGrand Marquis4.6LV8N/A
2008FordCrown Victoria4.6LV8N/A
2008LincolnTown Car4.6LV8N/A
2008MercuryGrand Marquis4.6LV8N/A
2007FordCrown Victoria4.6LV8N/A
2007LincolnTown Car4.6LV8N/A
2007MercuryGrand Marquis4.6LV8N/A
2006FordCrown Victoria4.6LV8N/A
2006LincolnTown Car4.6LV8N/A
2006MercuryGrand Marquis4.6LV8N/A
2005FordCrown Victoria4.6LV8N/A
2005LincolnTown Car4.6LV8N/A
2005MercuryGrand Marquis4.6LV8N/A
2004FordCrown Victoria4.6LV8N/A
2004FordMustangMach 14.6LV8N/A
2004LincolnTown Car4.6LV8N/A
2004MercuryGrand Marquis4.6LV8N/A
2004MercuryMarauder4.6LV8N/A
2003FordCrown Victoria4.6LV8N/A
2003FordMustangMach 14.6LV8N/A
2003LincolnTown Car4.6LV8N/A
2003MercuryGrand Marquis4.6LV8N/A
2003MercuryMarauder4.6LV8N/A
2002FordCrown VictoriaBase4.6LV8N/AShort Pump
2002FordMustang4.6LV8N/A
2002LincolnTown Car4.6LV8N/A
2002MercuryGrand Marquis4.6LV8N/Awith 2 1/2" Hub Height
2001FordCrown VictoriaBase4.6LV8N/AShort Pump
2001FordMustangGT Bullitt4.6LV8N/A
2001LincolnTown Car4.6LV8N/Awith 2 1/2" Hub Height
2001MercuryGrand Marquis4.6LV8N/Awith 2 1/2" Hub Height

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.