HomeBelts and Cooling > Water Pump and Related ComponentsDayco DP973 Engine Water Pump
Part #: DP973

Dayco DP973 Engine Water Pump

⚙️ 66 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mazda, and Mercury, Ranger, Explorer, Explorer Sport Trac, Mustang, B4000, Mountaineer, and Explorer Sport
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Reliable Engine Water Pump for Ford, Mazda, and Mercury Vehicles

The Dayco DP973 engine water pump is designed to maintain optimal engine temperature for select Ford, Mazda, and Mercury models. Engineered to meet OEM specifications, this water pump ensures consistent coolant flow and reliable performance for your vehicle's cooling system.

  • Compatible with Ford B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mustang, Ranger
  • Also fits Mazda and Mercury Mountaineer models
  • Durable construction for long-lasting operation
  • Precision-engineered to match factory fit and function
  • Part number DP973 for easy identification and replacement

Product Details and Compatibility

The Dayco DP973 engine water pump is specifically designed for use in a range of Ford, Mazda, and Mercury vehicles, including the Ford B4000, Explorer series, Mustang, and Ranger, as well as the Mercury Mountaineer. This pump plays a critical role in circulating coolant through the engine block and radiator, helping to prevent overheating and maintain efficient engine performance. Manufactured to meet strict quality standards, the DP973 ensures a proper fit and reliable operation within the vehicle's cooling system.

Common Applications and Problem Resolution

  • Replaces faulty or leaking water pumps in Ford Explorer Sport Trac and Mustang models
  • Addresses engine overheating issues caused by coolant circulation failure
  • Resolves coolant leaks that can lead to engine damage in Mazda and Mercury vehicles
  • Restores proper coolant flow in Ford Ranger and B4000 trucks
  • Prevents engine performance loss due to inefficient cooling

Installation Notes and Tips

When installing the Dayco DP973 water pump, ensure the engine is cool and the cooling system is depressurized. Remove the old pump carefully, inspecting the mounting surface for debris or damage. Use a new gasket or sealant as recommended by the vehicle manufacturer to prevent leaks. Torque all bolts to factory specifications and refill the cooling system with the appropriate coolant mixture. After installation, bleed the cooling system to remove air pockets and verify proper operation before driving.

Quality Assurance and Warranty Information

Dayco manufactures the DP973 engine water pump to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details may vary, Dayco typically offers coverage against defects in materials and workmanship. For exact warranty terms, consult the product documentation or contact the manufacturer directly.

This part fits 66 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010FordExplorer Sport Trac4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2010MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009FordExplorer Sport Trac4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2009MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008FordExplorer Sport Trac4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2008MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007FordExplorer Sport Trac4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2007MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2006FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2006FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2006FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2006MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2006MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2005FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2005FordExplorer Sport TracN/ACompatible with vehicles equipped with serpentine belt driven systems.
2005FordMustang4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2005FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2005MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2005MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2004FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2004FordExplorer Sport TracN/ACompatible with vehicles equipped with serpentine belt driven systems.
2004FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2004MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2004MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003FordExplorer SportN/ACompatible with vehicles equipped with serpentine belt driven systems.
2003FordExplorer Sport TracN/ACompatible with vehicles equipped with serpentine belt driven systems.
2003FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002FordExplorer SportN/ACompatible with vehicles equipped with serpentine belt driven systems.
2002FordExplorer Sport TracN/ACompatible with vehicles equipped with serpentine belt driven systems.
2002FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001FordExplorer SportN/ACompatible with vehicles equipped with serpentine belt driven systems.
2001FordExplorer Sport TracN/ACompatible with vehicles equipped with serpentine belt driven systems.
2001FordRanger4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001MazdaB4000N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998MercuryMountaineer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997FordExplorer4.0LV6N/ACompatible with vehicles equipped with serpentine belt driven systems.

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.