Dayco DP809 Engine Water Pump

Dayco DP809 Engine Water Pump

The Dayco DP809 engine water pump is a direct-fit cooling system replacement for select Ford and Lincoln trucks, vans, and SUVs with aluminum casting applications. It is built for vehicles that use a serpentine belt driven water pump setup, including many Ford E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, Expedition, Navigator, and F-150 models.

Key Features

• Engine water pump for select Ford and Lincoln applications
• Fits aluminum casting configurations listed in the vehicle fitment
• Serpentine belt driven design on applicable models
• Direct replacement part number: DP809
• Compatible with a wide range of 1997-2019 Ford E-Series, Super Duty, and related platforms

Detailed Description

Dayco DP809 is an engine water pump for cooling system service on select Ford E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, E-150, E-250, F-150, Expedition, Lincoln Mark LT, and Lincoln Navigator applications. Fitment includes vehicles with aluminum casting, and several listings specify serpentine belt driven operation or M36 hub requirements. If you are replacing a worn water pump on a Ford E-350 Super Duty or Lincoln Navigator, this part number provides a targeted match for the listed engine configurations.

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

What It Is Used For

• Replacing a leaking or worn engine water pump
• Restoring coolant circulation in the engine cooling system
• Addressing overheating caused by pump bearing or seal wear
• Correcting coolant loss from pump housing seepage
• Servicing belt-driven cooling system components on listed Ford and Lincoln vehicles

Installation Notes and Tips

Verify the engine casting material, belt drive style, and any hub or configuration notes before ordering. Confirm the vehicle year, make, and model against the fitment list for DP809, especially on Ford E-250, E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty applications. Inspect the cooling system for contamination, hose condition, and belt wear during replacement.

Quality Assurance

Dayco is a recognized name in automotive belt and cooling system components. DP809 is cataloged as an engine water pump for the listed applications and should be matched to the exact vehicle configuration shown in the fitment data.