Delphi MF0052 Mechanical Fuel Pump

Delphi MF0052 Mechanical Fuel Pump

The Delphi MF0052 is a standard replacement mechanical fuel pump for gasoline applications, built with OE heritage and application knowledge drawn from Delphi’s long history supplying major automakers. It features threaded inlet and outlet connections, a 7 psi system pressure rating, and a 30 average flow rating for classic fuel delivery service.

Compatible With 1956-1966 Chevrolet Bel Air, 1959-1966 Chevrolet Impala, 1964-1966 Chevrolet El Camino, and 1959-1961 Chevrolet Corvette applications that use a 2 line pump with a stamped steel pump body. This part number is also searched as MF0052 for OE-style replacement needs.

Key Features

• Mechanical fuel pump for gasoline engines
• Threaded inlet and outlet connections
• 1/8-27 NPSF inlet and outlet fitting thread size
• 7 psi system pressure rating
• 30 average flow rating
• Standard replacement item grade
• Gaskets and instruction sheet included

Detailed Product Overview

Delphi MF0052 is engineered as a direct mechanical fuel pump replacement for select Chevrolet classic car applications. The pump uses a threaded inlet type and threaded outlet type, with one outlet and matching 1/8-27 NPSF fitting threads for proper connection to the fuel system. Its gasoline-only design, 7 psi system pressure, and standard replacement construction make it a practical choice for restoring fuel delivery on vintage vehicles that require a 2 line pump and stamped steel pump configuration. The MF0052 part number is commonly referenced for Chevrolet Bel Air, Impala, El Camino, and Corvette fitments across the listed model years.

This part cross-references Carter M4712 for the same application.

Common Problems This Part Can Address

• Hard starting caused by weak fuel delivery
• Fuel starvation at the carburetor
• Loss of fuel pressure in a mechanical pump system
• Erratic engine operation from inconsistent fuel supply
• Replacement needs on worn original fuel pumps

Installation Notes and Tips

Verify that the vehicle uses a 2 line pump and stamped steel pump body before installation. Confirm the threaded inlet and outlet sizes match the fuel lines and check that the fuel system is set up for a 7 psi mechanical pump. Use the included gaskets during installation and follow the instruction sheet for proper mounting and connection procedures. Always confirm fitment by year, make, model, and pump style before ordering.

Quality Assurance

Delphi draws on more than a century of OE experience and supplier knowledge from serving top automakers, with aftermarket parts built from that heritage for a wide range of vehicles and model years. The MF0052 is a standard replacement fuel pump backed by Delphi’s OE-focused engineering approach.