Dayco DP957 Engine Water Pump

Engine Water Pump for GM Trucks and SUVs

Dayco DP957 is an engine water pump for serpentine belt driven, standard duty cooling systems. It is built for broad GM fitment across Chevrolet, GMC, Cadillac, Oldsmobile, Isuzu, and related truck and SUV applications from 1996 through 2014.

Use Dayco DP957 when replacing a worn water pump on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Tahoe. The part number DP957 is also listed for many vans, full-size SUVs, and light-duty trucks with the same drive configuration.

Key Features

• Engine water pump for belt-driven cooling system service
• Fits serpentine belt driven, standard duty applications
• Broad coverage for Chevrolet, GMC, Cadillac, Oldsmobile, and Isuzu models
• Direct replacement option for many GM truck and SUV platforms
• Dayco DP957 application coverage spans 1996-2014 model years

Detailed Description

Dayco DP957 is an engine water pump designed for vehicles using a serpentine belt driven, standard duty setup. It is listed across a wide range of GM platforms, including Chevrolet Express 1500, Silverado 1500, Tahoe, GMC Savana 1500, Sierra 1500, Yukon, and related C/K-series trucks and Suburban models. This makes it a practical replacement choice for cooling system repairs on high-mileage work vehicles and daily drivers alike.

Compatible vehicle coverage includes Fits 1999-2013 Chevrolet Silverado 1500, N/A; Fits 1999-2013 GMC Sierra 1500, N/A; and Fits 1996-2000 Chevrolet Tahoe, N/A. The Dayco DP957 part number is also associated with applications such as Chevrolet Astro, Blazer, S10, GMC Jimmy, Safari, and Isuzu Hombre.

What It Helps Address

• Coolant leaks from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from a failing pump bearing or impeller wear
• Cooling system service on serpentine belt driven engines
• Replacement needs on GM trucks, vans, and SUVs with standard duty cooling

Installation Notes and Tips

Verify engine configuration, belt drive layout, and model-year fitment before ordering. Because this water pump is listed for many GM platforms, confirm the exact application against the vehicle’s cooling system and accessory drive arrangement. Inspect the serpentine belt, tensioner, coolant condition, and related hoses during installation to complete the repair properly.

Quality Assurance

Dayco is a recognized aftermarket brand for engine drive and cooling system components. DP957 is cataloged as an engine water pump for the listed applications, with fitment data provided for direct vehicle matching.