HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsCarter M4566 Mechanical Fuel Pump
Part #: M4566

Carter M4566 Mechanical Fuel Pump

⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac, Catalina, Grand Prix, GTO, LeMans, Tempest, Bonneville, Star Chief, Ventura, Chieftain, and Super Chief
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Reliable Mechanical Fuel Pump for Pontiac Vehicles

The Carter M4566 mechanical fuel pump is designed specifically for select Pontiac models, including the Bonneville, Catalina, Grand Prix, GTO, LeMans, and Tempest. Engineered to deliver consistent fuel flow and pressure, this pump supports optimal engine performance in classic and vintage Pontiac vehicles.

  • Compatible with Pontiac Bonneville, Catalina, Grand Prix, GTO, LeMans, and Tempest
  • Mechanical fuel pump with tube inlet and threaded outlet
  • Includes gasket or seal for secure installation
  • Single outlet with 1/4 NPFS threaded fitting
  • Flow rating of 23 minimum, pressure range between 5.5 and 7 PSI
  • Mounting hardware not included

Product Features and Specifications

The Carter M4566 mechanical fuel pump features a tube-type inlet and a single threaded outlet designed for a 1/4 NPFS fitting. It provides a minimum flow rating of 23 gallons per hour, ensuring adequate fuel delivery for Pontiac engines requiring steady fuel supply. The pump operates within a pressure range of 5.5 to 7 PSI, suitable for maintaining proper fuel pressure in carbureted systems. A gasket or seal is included to help prevent leaks during installation, although mounting hardware is not provided.

Applications and Compatibility

This mechanical fuel pump is compatible with a range of Pontiac models, making it a practical replacement part for vehicles such as the Bonneville, Catalina, Grand Prix, GTO, LeMans, and Tempest. It is ideal for restoring or maintaining the fuel delivery system in these classic cars, ensuring reliable engine operation.

  • Restores proper fuel flow in Pontiac carbureted engines
  • Replaces worn or failing mechanical fuel pumps
  • Helps resolve fuel pressure inconsistencies
  • Prevents engine stalling caused by fuel delivery issues
  • Supports smooth acceleration and engine responsiveness

Installation Notes and Tips

When installing the Carter M4566 mechanical fuel pump, ensure the gasket or seal is properly seated to prevent fuel leaks. Since mounting hardware is not included, use the existing hardware or source compatible fasteners. Verify that the inlet and outlet connections match the vehicle’s fuel lines, particularly the 1/4 NPFS threaded outlet fitting. Proper alignment and secure mounting are essential for optimal pump performance.

Quality Assurance and Warranty

Carter mechanical fuel pumps are manufactured to meet industry standards for durability and performance. The M4566 part number undergoes quality control to ensure consistent fuel flow and pressure within specified ranges. While specific warranty details are not provided, Carter products typically come with manufacturer-backed reliability suitable for automotive fuel delivery applications.

BrandCarter
Part NumberM4566
Gasket Or Seal IncludedYes
Inlet TypeTube
Maximum Pressure7
Minimum Flow Rating23
Minimum Pressure5.5
Mounting Hardware IncludedNo
Outlet Fitting Thread Size1/4 NPFS
Outlet Quantity1
Outlet TypeThreaded
Pump TypeMechanical

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1965PontiacCatalina6.4LV8N/A
1965PontiacGrand Prix6.9LV8N/A
1965PontiacGrand Prix6.4LV8N/AExcept Super Duty
1965PontiacGTO6.4LV8N/A
1965PontiacLeMans5.3LV8N/A
1965PontiacTempest5.3LV8N/A
1964PontiacBonneville6.4LV8N/AExcept High Lift Camshaft
1964PontiacBonneville6.9LV8N/AExcept High Lift Camshaft
1964PontiacCatalina6.4LV8N/A
1964PontiacGrand Prix6.9LV8N/A
1964PontiacGrand Prix6.4LV8N/AExcept Super Duty
1964PontiacGTO6.4LV8N/A
1964PontiacLeMans5.3LV8N/A
1964PontiacTempest5.3LV8N/A
1963PontiacBonneville6.4LV8N/AExcept High Lift Camshaft
1963PontiacBonneville6.9LV8N/AExcept High Lift Camshaft
1963PontiacCatalina6.4LV8N/AExcept High Lift Camshaft
1963PontiacCatalina6.9LV8N/AExcept High Lift Camshaft
1963PontiacGrand Prix6.9LV8N/AExcept High Lift Camshaft
1963PontiacGrand Prix6.4LV8N/AExcept High Lift Camshaft
1963PontiacLeMans5.3LV8N/AExcept High Lift Camshaft
1963PontiacTempest5.3LV8N/AExcept High Lift Camshaft
1962PontiacBonneville6.4LV8N/AExcept High Lift Camshaft
1962PontiacCatalina6.4LV8N/AExcept High Lift Camshaft
1962PontiacCatalina6.9LV8N/AExcept High Lift Camshaft
1962PontiacGrand Prix6.4LV8N/A
1961PontiacBonneville6.4LV8N/AExcept High Lift Camshaft
1961PontiacCatalina6.4LV8N/AExcept High Lift Camshaft
1961PontiacCatalina6.9LV8N/AExcept High Lift Camshaft
1960PontiacBonneville6.4LV8N/A
1960PontiacCatalina6.4LV8N/A
1959PontiacBonneville6.4LV8N/A
1959PontiacCatalina6.4LV8N/A
1958PontiacBonneville6.1LV8N/A
1958PontiacCatalina6.1LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15829492960035403734512602-108464165316440455B0109PC11132021TGM23070SP1152MP

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.