Keep fuel flowing to the carburetor on your classic Chevy, GMC, or Pontiac with the Agility Auto Parts Mechanical Fuel Pump 4030053. A mechanical fuel pump is driven by an eccentric on the engine's camshaft, drawing gasoline from the tank and delivering it to the carburetor at the pressure the engine needs. It's a direct-fit replacement for a wide range of 1967–1972 Chevrolet, GMC, and Pontiac applications, including the Chevrolet Bel Air, Impala, Chevelle, Nova, El Camino, C10/C20 pickups and Suburbans, Blazer, GMC Jimmy, Sprint, and Pontiac Beaumont and Ventura — see the "Vehicles it fits" section for the full list and engine details.
- Broad coverage: part of Agility's complete line of mechanical fuel pumps spanning a wide variety of North American vehicle applications.
- OEM-level engineering: built to match or exceed OEM specifications.
- Drop-in ready: installs straight out of the box with all the necessary components included.
If a worn or leaking mechanical fuel pump is the cause of hard starting, stalling, fuel starvation under load, or a fuel leak at the pump, this unit replaces it. Diagnose the cause before replacing.
Interchange: 40433 · 40503 · M4513 · MF0020 · 5656858 · 6416712 · 6440232 · 6440428 · 6440503 · SP1029MP · USMP11283
This part cross-references / interchanges with the following part numbers:
40433, 40503, M4513, MF0020, 5656858, 6416712, 6440232, 6440428, 6440503, SP1029MP, USMP11283
Frequently Asked Questions
What does this mechanical fuel pump do?
It's driven by an eccentric on the engine's camshaft and draws gasoline from the tank, delivering it to the carburetor at the pressure the engine requires.
Will the 4030053 fit my vehicle?
It's a direct-fit replacement for many 1967–1972 Chevrolet, GMC, and Pontiac models. Check the "Vehicles it fits" section to confirm it matches your exact year, make, model, and engine.
Does it come with everything needed to install?
Agility states this pump is a drop-in replacement right out of the box with all the necessary components included. Consult the vehicle service information for correct fasteners and gaskets.
How is it built?
Agility mechanical fuel pumps are engineered to match or exceed OEM specifications and are part of a complete line covering a wide variety of North American vehicle applications.
What are signs my fuel pump may need replacing?
Hard starting, stalling, fuel starvation under load, or a fuel leak at the pump can point to a worn pump. Diagnose the cause first, since these symptoms can have other sources.
