Free shipping on ALL orders!* - Details

28 GPH Holley Mighty Mite Electric Fuel Pump, 1.5-4 PSI

Street, Agriculture, and Construction Applications Compatible with all Fuels and Fuel Additives

PART# 12-434

$84.39   Suggested Retail
$68.36   Holleydays Price
Free Shipping
In Stock  
Add to Wish List


Pumps are designed for use on all low and high pressure carburetor equipped automobiles, trucks, vans, generators, agriculture, gasoline and diesel engines, marine, construction and agriculture utility equipment. The 12-volt pumps perform in a 1.5-4 psi range at 28 GPH. Can be used as a lift / priming pump for most diesel engines (36" of lift). Compatible with all fuels and additives. These pumps can be a perfect OE replacement for any of your equipment. Rugged solid-state design pumps are a simple two-wire hook-up and made in the USA. Fuel filter and hardware are included.


  • Mighty Mite fuel pumps provide coverage for all carburetor applications including cars, vans, light truck, and diesel engines as well as diesel lift pump applications (36” of lift) for the industrial, marine, agricultural and construction industries
  • 1.5-4 psi at 28 GPH
  • Reliable solid state design
  • Self-priming, compact design with hardware and filter included
  • Coast guard ignition test approved, internal check valve & positive shutoff valve
  • Rated for -40 to 180 deg F.
  • 12V can be used in reverse polarity (positive ground)
  • Compatible with gasoline, diesel, biodiesel, blended alcohol, and fuel additives
  • Good for up to 300HP naturally aspirated
  • Hose Barbs Fit 5/16" Fuel Hose


BrandMighty Mite
Emission Code5
Free Flow GPH28
Fuel SystemCarbureted
Fuel TypeGasoline / Diesel / E85
Inlet Thread1/8" NPT
Product TypeFuel Pump
WarrantyLimited 90 Day
Part Number12-434



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Warranty Information

Limited 90 Day: See Details
We Suggest
    Also Bought

      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.

       X  Holleydays 2020 20% off and DD
       X  Holleydays 2020 20% off and DD