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The Green Spark Plug Company£107.56Visit shop Hardi 12V Electric Fuel Pump Model 18812 Classic Car
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The HARDI 12V Electric Diaphragm Fuel Pump (Model 18812) is designed specifically for enthusiasts of classic vehicles looking for consistent and reliable fuel delivery. Its standout feature is its independent, self-priming operation that adjusts to engine speed, ensuring optimal performance for engines over 100 PS. While it offers versatile compatibility with various fuel types, users should ensure their fuel system pressure requirements align with its 0.28-0.35 bar output to avoid over-pressurizing stock carburetors.
| Model Part Number | 18812 |
|---|---|
| Brand | Hardi |
Yes, the HARDI 18812 is compatible with petrol, diesel, and ethanol-containing fuels.
For most classic carburetors, yes, adding a pressure regulator is recommended to ensure the pressure stays within the specific needs of your carburetor.
No, this pump operates at 0.28-0.35 bar, which is far below the high pressure required for modern fuel injection systems.
Connect the positive wire to a switched 12V ignition source and the negative wire to a clean chassis ground.
The pump should be mounted as close to the fuel tank as possible, preferably in a location protected from excessive heat and debris.
Check for air leaks on the intake side of the pump or a clogged fuel tank filter.
The pump's output pressure might exceed the carburetor's needle valve limit; install a low-pressure fuel regulator.
Verify the ground connection and ensure the supply fuse has not blown.
Installation requires standard 8mm fuel line connections, which are pivoted to allow for flexible orientation in tight engine bays. Ensure the pump is mounted as close to the fuel tank as possible to take advantage of its self-priming strengths. When wiring, ensure the 12V connection is fused and tied into a switched ignition source to prevent battery drain when the vehicle is off. Because the pump is maintenance-free, periodic care is limited to inspecting the fuel lines for signs of hardening or cracking and ensuring the electrical connections remain clean and free of corrosion.
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