Carter M4008 Mechanical Fuel Pump

Carter M4008 Mechanical Fuel Pump

The Carter M4008 is a mechanical fuel pump built for OE-style fit, form, and function on classic Ford and Mercury applications. It uses threaded inlet and outlet connections, includes a gasket or seal, and is specified for 5 to 6 psi pressure with a minimum flow rating of 35.

Key Features

• Mechanical fuel pump for carbureted fuel delivery systems
• Threaded inlet and outlet connections for secure plumbing
• 1 inlet and 1 outlet with 1/4 NPSF outlet fitting thread size
• Gasket or seal included for installation
• Pressure range: 5 to 6 psi
• Minimum flow rating: 35
• OE-style coverage for select Ford and Mercury vehicles

Product Details

Built for classic fuel system service, the Carter M4008 supports steady mechanical fuel delivery for older Ford and Mercury engines that use a carburetor-style pump. Carter positions this fuel systems line around OE fit, form, and function, along with broad vehicle coverage and problem-solving design features. This part cross-references Airtex Fuel Pumps 4008 for the same application. The M4008 is a direct service option for applications such as Ford F-100, Ford F-250, Ford F-350, Ford Thunderbird, Mercury Cougar, Mercury Villager, Mercury Colony Park, and Mercury Marauder.

Common Uses

• Restoring fuel delivery on a classic Ford F-100 or Ford F-250 with a mechanical pump setup
• Replacing a worn pump on a Ford Thunderbird with stock pump, air conditioning, electric wipers, or without vapor return line configurations
• Addressing hard-start or fuel starvation concerns on Mercury Cougar and Mercury Villager applications
• Correcting low fuel pressure in carbureted Ford and Mercury engines
• Replacing a leaking or weak mechanical pump on vintage truck and passenger car fuel systems

Installation Notes

Verify threaded inlet and outlet orientation before installation and confirm the 1/4 NPSF outlet fitting thread size matches the fuel line connection. Use the included gasket or seal during assembly, and inspect the mounting surface for flatness and cleanliness. This pump does not include mounting hardware. Confirm the exact vehicle configuration, including notes such as integral filter, stock pump, air conditioning, electric wipers, or without vapor return line, before ordering. Fits 1956-1958 Ford F-250, N/A; Fits 1968-1973 Ford F-250, N/A; Fits 1968-1973 Ford F-350, N/A; Fits 1956-1962 Ford F-100, N/A; Fits 1964-1972 Ford F-100, N/A; Fits 1967 Mercury Cougar, N/A with Integral Filter; Fits 1966-1967 Mercury Villager, N/A; Fits 1965-1966 Ford LTD, N/A with Integral Filter; Fits 1965-1966 Ford Thunderbird, N/A Stock Pump; Fits 1965 Ford LTD, N/A; Fits 1965 Mercury Colony Park, N/A; Fits 1963 Mercury Colony Park, N/A; Fits 1963-1965 Mercury Marauder, N/A; Fits 1963-1964 Ford Thunderbird, N/A without Vapor Return Line; Fits 1962 Ford Thunderbird, N/A with Air Conditioning; Fits 1959-1960 Ford Thunderbird, N/A with Electric Wipers.

Quality Assurance

Carter Fuel Systems emphasizes OE-style fit, form, and function with broad coverage and application-specific problem-solving features. The M4008 is built as a mechanical replacement fuel pump for select classic Ford and Mercury vehicles.