Dayco DP728 Engine Water Pump

Brand Dayco DP728
Fits Mazda and Kia · 28 vehicles

Engine water pump for reliable coolant circulation.

$60.17Free shipping
In stock · usually ships same day before 1pm CST
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Dayco DP728 Engine Water Pump

The Dayco DP728 engine water pump is a direct-fit cooling system replacement for select Mazda and Kia applications with serpentine belt driven systems. It is built for vehicles that need consistent coolant circulation to help maintain normal operating temperature.

Key Features

  • Engine water pump for select import vehicles
  • Fits 1999-2005 Mazda Miata, N/A, with serpentine belt driven systems
  • Fits 1994-1997 Mazda Miata, N/A, with serpentine belt driven systems
  • Fits 1995-2001 Mazda Protege, N/A, with serpentine belt driven systems
  • Fits 1995-1997 Kia Sephia, N/A, with serpentine belt driven systems
  • Fits 1994-1996 Mazda MX-3, N/A, with serpentine belt driven systems
  • Dayco DP728 for cooling system service and OE-style replacement needs

Detailed Description

Dayco DP728 is an engine water pump application for Mazda Miata, Mazda Protege, Mazda MX-3, and Kia Sephia models listed above. It serves as a replacement component in the engine cooling system, moving coolant through the engine and radiator circuit to support stable operating temperatures. This part number, DP728, is listed for vehicles equipped with serpentine belt driven systems, so fitment should be matched to the vehicle’s belt drive configuration before ordering.

Common Replacement Reasons

  • Coolant circulation problems
  • Overheating caused by a worn water pump
  • Coolant leakage at the pump housing or seal area
  • Noise from a failing pump bearing
  • Cooling system service on a Mazda Miata, Mazda Protege, Mazda MX-3, or Kia Sephia

Installation Notes

Verify engine configuration and serpentine belt driven system compatibility before installation. Inspect the cooling system, belt condition, hoses, and related seals during service. Proper coolant fill and bleeding procedures should be followed after installation to restore normal system operation.

Quality Assurance

Dayco is a recognized aftermarket brand for engine drive and cooling system components. DP728 is cataloged as an engine water pump replacement for the listed applications.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2004MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001MazdaProtege1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000MazdaProtege1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999MazdaProtege1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998MazdaProtege1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997KiaSephia1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997KiaSephia1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997MazdaProtege1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996KiaSephia1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996KiaSephia1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996MazdaMX-3——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996MazdaProtege1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995KiaSephia1.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995KiaSephia1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995MazdaMX-31.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995MazdaProtege1.5LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995MazdaProtege1.8LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994MazdaMiata——N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994MazdaMX-31.6LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.