Carter M6952 Mechanical Fuel Pump

Carter M6952 Mechanical Fuel Pump

The Carter M6952 is a mechanical fuel pump built for OE-style fit, form, and function on select Cadillac applications. It uses a tube inlet, a threaded outlet, and a gasket or seal is included for service replacement work.

Key Features

• Mechanical fuel pump design for carbureted fuel delivery systems
• Tube inlet and 1 threaded outlet for direct-style plumbing
• 5/8-18 UNF-2B outlet fitting thread size
• Fuel pressure range of 5 to 6.5 psi
• Minimum flow rating of 38
• Gasket or seal included
• Fits 1977-1980 Cadillac Commercial Chassis, with 3 Line Pump
• Fits 1977-1980 Cadillac DeVille, with 3 Line Pump
• Fits 1977-1980 Cadillac Fleetwood, with 3 Line Pump

Detailed Description

Carter M6952 is a mechanical fuel pump for 1977-1980 Cadillac Commercial Chassis, Cadillac DeVille, and Cadillac Fleetwood applications equipped with a 3 line pump. The pump is engineered to deliver the specified fuel pressure range while maintaining the outlet configuration needed for the original fuel system layout. Carter’s fuel system program focuses on OE fit, form, and function, along with broad vehicle coverage and problem-solving design details. This part cross-references Airtex Fuel Pumps 41204 and Delphi MF0083 for the same application.

Common Issues This Part Can Address

• Low fuel pressure at the carburetor
• Fuel starvation during acceleration or cruising
• Hard starting caused by weak mechanical fuel delivery
• Fuel delivery inconsistency from a worn pump diaphragm
• Leakage at the pump mounting interface when the seal is deteriorated

Installation Notes and Tips

Verify the vehicle uses the 3 line pump configuration before installation. Confirm the threaded outlet connection size of 5/8-18 UNF-2B and match the inlet and outlet routing to the original fuel system layout. Inspect the mounting surface, replace the gasket or seal as needed, and prime the fuel system before starting the engine. Mounting hardware is not included.

Quality Assurance

Carter designs this fuel pump for OE-style fitment and application-specific performance on classic Cadillac fuel systems. The M6952 is built to support proper mechanical fuel delivery for the listed vehicles and configurations.