Dayco DP966 Engine Water Pump

Brand Dayco DP966
Fits Chevrolet, GMC, Pontiac, Isuzu, Buick, and Oldsmobile · 75 vehicles

Engine water pump. Circulates coolant to help maintain proper engine temperature.

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Dayco DP966 Engine Water Pump

The Dayco DP966 engine water pump is a direct-fit cooling system replacement for a wide range of GM and Isuzu applications with serpentine belt driven systems. It is built for vehicles such as the Chevrolet S10, GMC Sonoma, and Chevrolet Cavalier where dependable coolant circulation is critical to stable engine temperature.

Key Features

  • Engine water pump for belt-driven cooling system service
  • Compatible with serpentine belt driven systems
  • Fits multiple Chevrolet, GMC, Pontiac, Buick, Oldsmobile, and Isuzu applications
  • Dayco part number DP966 for easy identification
  • Direct replacement format for common cooling system repairs

Fitment Details

  • Fits 1994-2003 Chevrolet S10, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1994-2003 GMC Sonoma, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1987-2002 Chevrolet Cavalier, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1995-2002 Pontiac Sunfire, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 2000 Isuzu Hombre, Serpentine Belt Driven.
  • Fits 1996-1999 Isuzu Hombre, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1993-1996 Buick Century, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1987-1996 Chevrolet Corsica, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1993-1996 Oldsmobile Cutlass Ciera, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1993 Chevrolet Lumina, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1990-1991 Pontiac Tempest, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1987-1989 Buick Skyhawk, Compatible with vehicles equipped with serpentine belt driven systems.
  • Fits 1987-1988 Oldsmobile Firenza, Compatible with vehicles equipped with serpentine belt driven systems.

What It Helps Address

  • Coolant circulation problems caused by a worn or failing water pump
  • Engine overheating from reduced coolant flow
  • Leak-related cooling system service needs
  • Temperature instability in serpentine belt driven applications
  • Replacement needs on high-mileage GM and Isuzu vehicles

Installation Notes

Verify engine configuration and serpentine belt driven system compatibility before ordering. Match the Dayco DP966 to the original application by year, make, and model, including Chevrolet S10, GMC Sonoma, and Chevrolet Cavalier listings. Inspect the cooling system for related wear before installation so the replacement water pump can be serviced correctly.

Quality Assurance

Dayco is a recognized name in engine drive and cooling system components, and the DP966 is cataloged for specific vehicle applications to support accurate replacement selection.

This part fits 75 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2003GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2002PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2001PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
2000IsuzuHombre2.2LL4N/ASerpentine Belt Driven
2000PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999IsuzuHombre2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1999PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998IsuzuHombre2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1998PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997IsuzuHombre2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1997PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996BuickCentury2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996IsuzuHombreN/ACompatible with vehicles equipped with serpentine belt driven systems.
1996OldsmobileCutlass Ciera2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1996PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995BuickCentury2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995OldsmobileCutlass Ciera2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1995PontiacSunfire2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994BuickCentury2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994ChevroletS102.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994GMCSonoma2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1994OldsmobileCutlass Ciera2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1993BuickCentury2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1993ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1993ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1993ChevroletLumina2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1993OldsmobileCutlass Ciera2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1992ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1992ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1991ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1991ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1991PontiacTempest2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1990ChevroletCavalier2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1990ChevroletCorsica2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1990PontiacTempest2.2LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1989BuickSkyhawkN/ACompatible with vehicles equipped with serpentine belt driven systems.
1989ChevroletCavalier2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1989ChevroletCorsica2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1988BuickSkyhawkN/ACompatible with vehicles equipped with serpentine belt driven systems.
1988ChevroletCavalier2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1988ChevroletCorsica2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1988OldsmobileFirenza2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1987BuickSkyhawkN/ACompatible with vehicles equipped with serpentine belt driven systems.
1987ChevroletCavalier2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1987ChevroletCorsica2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.
1987OldsmobileFirenza2.0LL4N/ACompatible with vehicles equipped with serpentine belt driven systems.