Dayco DP842 Engine Water Pump

Dayco DP842 Engine Water Pump

The Dayco DP842 engine water pump is a direct-fit cooling system replacement for a wide range of Chevrolet and GMC trucks, vans, and SUVs with serpentine belt driven systems. It also covers select single-thermostat applications, making it a practical choice for restoring coolant circulation on many 1988-1996 GM platforms.

Key Features

• Engine water pump for Belts and Cooling applications
• Fits many Chevrolet and GMC models with serpentine belt driven systems
• Application coverage includes early and first-design configurations
• Also listed for select single-thermostat vehicles
• Part number DP842 for easy catalog matching

Detailed Description

Dayco DP842 is an engine water pump built for specific GM cooling system layouts found on Chevrolet C1500, K1500, Tahoe, GMC C2500, K3500, Yukon, and related models. Fitment spans 1988-1996 vehicles, with notes calling out early serpentine belt driven systems and select 1st design or single thermostat applications. If you are searching for a Dayco DP842 water pump for a 1996 Chevrolet C1500 or a 1995 GMC Yukon, this listing provides the vehicle-specific coverage needed for accurate replacement selection.

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

What It Helps Address

• Coolant circulation problems caused by a worn water pump
• Engine overheating from reduced coolant flow
• Leaks at the pump housing or shaft area
• Noise from a failing cooling system pump
• Fitment issues when replacing an OE-style GM water pump on serpentine belt driven vehicles

Installation Notes and Tips

Verify the vehicle’s belt drive setup, thermostat configuration, and model-year notes before ordering. This pump is listed for early serpentine belt driven applications and select single-thermostat versions, so matching the exact engine cooling layout is important. Confirm the application against the vehicle identification details on your Chevrolet or GMC truck, van, or SUV before installation.

Quality Assurance

Dayco is a recognized name in automotive belt and cooling components, and DP842 is cataloged for specific GM applications to support accurate replacement selection.