Dayco Engine Water Pump P/N:DP1039
Dayco DP822 water pump for the 1975-1976 Ford F-150 V8 5.9L or 6.4L and other vehicles moves coolant through the engine and radiator to carry heat away. This Dayco water pump is also called an engine water pump.
A coolant leak at the front of the engine, a whine or grinding from the pump area, or an engine that runs hot can mean the water pump is wearing out. A stuck thermostat, a leaking hose, a weak radiator cap or a slipping belt can be behind these symptoms too, so find out which part is at fault before you buy a pump.
Listed for a wide range of Ford and Mercury models, it is a water pump for the 1965-1967 Ford F-250 V8 5.8L, the 1968-1976 Ford F-250 V8 5.9L or 6.4L, the 1967-1969 Ford Mustang V8 6.4L and the 1967-1970 Ford Mustang V8 7.0L, and each takes one. If your car is not named here, open the "Vehicles it fits" section to check your exact model and engine.
Interchange: 251-217 · 252-181 · WP-510 · 55-21113 · 55-21515 · 58-208 · 58-211 · 18-506 · 125-1370
AW1075 · 99109 · W510M · 44004 · CP1075 · T5056 · US1075
This part cross-references / interchanges with the following part numbers:
Is this the right Ford F-150 water pump for a 1975-1976 Ford F-150 V8 5.9L or 6.4L?
Yes. Dayco DP822 is listed for the 1975-1976 Ford F-150 V8 5.9L or 6.4L, and each takes one pump. For other models, open the "Vehicles it fits" section.
Is this a Mustang water pump for the 1967-1969 Ford Mustang V8 6.4L or the 1967-1970 Ford Mustang V8 7.0L?
Yes. Dayco DP822 is listed for the 1967-1969 Ford Mustang V8 6.4L and the 1967-1970 Ford Mustang V8 7.0L, one pump per car.
Which engines does the Dayco DP822 water pump cover?
The fitment lists V8-5.8L, V8-5.9L, V8-6.4L, V8-6.7L and V8-7.0L engines, depending on the model and years.
How can I tell if my water pump is leaking or wearing out?
With the engine off and cool, look for coolant stains or wetness around the pump. A whine or grinding from the front of the engine, or overheating, can also mean it is wearing out; a shop can test it.
Does Dayco DP822 interchange with part number 55-21113?
Yes. 55-21113 is one of the numbers this pump replaces, along with 251-217, 252-181 and WP-510. The full list is on the Interchange line.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.