Gates 44004 Engine Water Pump

Gates 44004 Water Pump Overview

The Gates 44004 engine water pump is a standard replacement for select Ford and Mercury applications from 1965-1976. Built with a cast iron housing and stamped steel impeller, it is made for dependable coolant circulation in classic V8 cooling systems.

Gates Water Pump (Standard) components are built for OE-quality fit and consistent operation, with premium alloy construction and testing focused on seals, bearings, and leakage control. This makes the Gates 44004 a practical choice for restoring cooling performance on vehicles such as the Ford F-100, Ford Mustang, and Mercury Cougar.

Key Features

• Part number: 44004
• Cast iron housing for durable cooling-system service
• Stamped steel impeller with standard rotation
• Accessory belt drive style
• 1 outlet configuration
• Includes water pump and 2 gaskets
• No back housing, thermostat housing, fan clutch, or pulley included
• Not timing belt driven

Product Details

This Gates engine water pump is engineered for direct replacement use in compatible Ford and Mercury cooling systems. The standard-rotation design, cast iron housing, and stamped steel impeller support steady coolant flow, while Gates’ manufacturing process includes functional testing of seals and bearings plus leakage testing of the casting and assembled pump. If you are replacing a worn water pump on a Ford F-250, Ford Thunderbird, or Mercury Marquis, the Gates 44004 provides a straightforward OE-style service part.

This part cross-references Airtex AW1075 and Dayco DP822 for the same application.

Common Problems It Can Address

• Coolant leaks from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from failing pump bearings
• Impeller wear that lowers cooling-system efficiency
• Service issues during restoration of classic Ford and Mercury engines

Installation Notes and Tips

• Confirm standard-rotation accessory-belt application before installation.
• Inspect the mounting surface, hoses, and belt condition before fitting the new pump.
• Use the included gaskets and verify proper sealing at the housing.
• Flush the cooling system if contamination or corrosion is present.
• Check pulley alignment and belt tension after installation.

Quality Assurance

Gates manufactures this water pump with premium alloy materials and performs seal, bearing, and leakage testing to support reliable operation and OE-quality fit.

Fitment

• Fits 1965-1976 Ford F-100, N/A
• Fits 1975-1976 Ford F-150, N/A
• Fits 1965-1976 Ford F-250, N/A
• Fits 1965-1976 Ford F-350, N/A
• Fits 1968-1970 Ford LTD, N/A
• Fits 1965-1966 Ford LTD, N/A
• Fits 1970 Ford Mustang, N/A
• Fits 1967-1968 Ford Mustang, N/A
• Fits 1970 Mercury Colony Park, N/A
• Fits 1970 Mercury Cougar, N/A
• Fits 1969-1970 Mercury Marauder, N/A
• Fits 1967-1970 Mercury Marquis, N/A
• Fits 1968-1969 Mercury Montego, N/A
• Fits 1965-1968 Ford Thunderbird, N/A
• Fits 1966-1967 Mercury Capri, N/A
• Fits 1966-1967 Mercury Villager, N/A