The Mr. Gasket 12S Micro Electric Fuel Pump is the closest match for shoppers searching for a “micro electric fuel pump 12S.” For other 12-volt, low-pressure carbureted applications, compare pump pressure and flow before choosing: the CarBole 2–3.5 PSI model suits lower-pressure needs, while the CarBole 4–7 PSI and ENGINEMAN 35 GPH models offer higher stated output. The ENGINEMAN kit with a long fuel hose is useful when installation requires extra line.
| Product | Best for | Stated output |
|---|---|---|
| Mr. Gasket 12S | Buyers seeking the named 12S pump | Not specified in the supplied features |
| CarBole 2–3.5 PSI | Lower-pressure applications | 28 GPH |
| CarBole 4–7 PSI | Carburetor setups needing higher pressure | 35 GPH |
| ENGINEMAN with hoses | Installations needing included fuel line | 35 GPH; 4–7 PSI |
| ENGINEMAN 3–6 PSI kit | Buyers wanting a broad accessory kit | Up to 30 GPH |
Mr. Gasket 12S Micro Electric Fuel Pump

This is the most direct choice for a shopper specifically looking for the Mr. Gasket 12S micro electric fuel pump. Listed features describe it as a self-priming pump that can work as a fuel transfer pump. The product information also says it is intended to help address vapor lock and flooding.
Best for: Buyers who want the named 12S model or need a self-priming transfer-pump option. It was selected because its model name directly matches the search intent.
Limitation: The supplied features do not state its pressure, flow rate, inlet size, or electrical draw. Confirm that those specifications meet the engine’s requirements before purchase.
CarBole 28 GPH Low-Pressure Pump

This inline CarBole pump runs on 12 volts and is listed at 28 GPH with 2–3.5 PSI operating pressure. Its inlet and outlet are both 5/16 inch, and the pump uses a two-bolt fitting and two-wire design. The stated applications include cars, trucks, boats, and generators.
Best for: Buyers whose system calls for lower fuel pressure and 5/16-inch connections. Its pressure range is lower than the 4–7 PSI choices in this list, making it a useful comparison when the engine requires a modest-pressure pump.
Limitation: Do not choose based on flow alone. The listed pressure range must also suit the carburetor or fuel system.
CarBole 35 GPH Micro Fuel Pump

CarBole lists this 12-volt pump at 35 GPH and 4–7 PSI. The supplied features describe it as a fuel transfer pump and identify it for most domestic four-, six-, and eight-cylinder carburetor applications.
Best for: Buyers seeking a higher stated flow rate and a pump described for a range of carbureted domestic applications. It provides a straightforward comparison with the lower-pressure 28 GPH CarBole model.
Limitation: The supplied product details do not list included hoses, filters, or mounting hardware. Check the package contents and confirm the pressure is appropriate for the specific carburetor.
ENGINEMAN Pump With 6.56-Foot Fuel Hose

This ENGINEMAN pump is listed at 35 GPH and 4–7 PSI, with 5/16-inch connections. Its kit includes a mounting bracket, fuel filter, 6.56-foot fuel hose, clamps, wiring, and instructions. The listed applications include gasoline vehicles, lawn mowers, generators, boats, and forklifts.
Best for: Buyers who want a 35 GPH, 4–7 PSI pump and need a longer included hose for routing. The included line and hardware distinguish it from pump-only options.
Limitation: The product description says to mount the pump within 12 inches of the tank. Check that the proposed mounting location and hose arrangement suit the installation.
ENGINEMAN 3–6 PSI Installation Kit

This 12-volt kit is specified at 3–6 PSI and up to 30 GPH. Listed components include a 6.56-foot, 5/16-inch fuel line, filters, clamps, mounting hardware, wiring connectors, a 15-amp inline fuse, and a shut-off valve. The description lists gasoline and diesel use but excludes alcohol-based fuels such as E85.
Best for: Buyers who value installation accessories and need a pump described for a range of 12-volt vehicles and small-engine applications. A built-in check valve is also listed to help prevent backflow.
Limitation: The stated fuel exclusion matters: the product description says it is not for alcohol-based fuels such as E85. Verify fuel type and pressure requirements before ordering.
Buying Guide: How To Choose A Micro Electric Fuel Pump
What pressure and flow rate does the engine require?
Start with the engine or carburetor manufacturer’s fuel-pressure specification. The options here span 2–3.5 PSI, 3–6 PSI, and 4–7 PSI, with stated flow rates from 28 GPH to 35 GPH or up to 30 GPH. These numbers are not interchangeable: a pump with a suitable flow rate may still provide the wrong pressure.
Do the connections match your fuel line?
Several pumps list 5/16-inch inlet and outlet connections. Match the pump ports to the line size and confirm what fittings or hose are included. A kit with a 6.56-foot hose may be more convenient when new line is needed, while a pump-only listing may require separate installation parts.
Where will the pump be used?
Consider the application, fuel type, and mounting location. Product descriptions list uses ranging from carbureted vehicles to boats, generators, lawn mowers, and other small engines. Do not assume every pump suits every application; check its listed fuel compatibility and installation instructions. For the ENGINEMAN hose-kit model, the supplied details specify mounting within 12 inches of the tank.
Frequently Asked Questions
What does “12S” refer to in this search?
The supplied product list identifies the Mr. Gasket 12S Micro Electric Fuel Pump by that model name. The provided details do not define “12S” as a pressure or flow specification.
Which listed pump has the lowest pressure range?
The CarBole pump is listed at 2–3.5 PSI, the lowest stated range among the five selected products.
Which option includes the longest fuel hose?
The ENGINEMAN pump kit with a hose includes 6.56 feet of 5/16-inch fuel line.
Can these pumps be used with E85?
The ENGINEMAN 3–6 PSI kit description specifically excludes alcohol-based fuels such as E85. Check fuel compatibility for any other pump before use.