The Holley 12-3003 is the fuel filter for Holley Mighty Mite electric fuel pumps. It has 5/16 in hose barbs and is compatible with all fuels and fuel additives, including gasoline, diesel, blended alcohol, ethanol and E85. Holley lists it for carbureted trucks and cars, generators and agricultural equipment.
Specifications:
- Brand: Holley
- Product Type: Fuel Filter
- Fits: Holley Mighty Mite electric fuel pumps
- Hose Barb: 5/16 in
- Max Pressure: 10 psi
- Fuel Compatibility: Gas, diesel, blended alcohol, ethanol, E85
- Warning: California Proposition 65
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 12-3003
FAQ
What pumps does the 12-3003 filter fit?
It fits Holley Mighty Mite electric fuel pumps.
What size are the connections?
It uses 5/16 in hose barbs.
Is it compatible with E85?
Yes. Holley lists it as compatible with gas, diesel, blended alcohol, ethanol and E85.

