MagnaFuel Fuel Pump, ProStar 500, Electric, In-Line, 25-36 psi
- 25-36 psi
- 12 AN female O-ring inlet and outlet, **8 AN bypass**
- E85 and gas
- Bung mount, stainless steel body
- 6.9 pounds
- 1 year limited warranty
Updated 2 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
An in-line electric fuel pump with a bypass port and E85 compatibility. Flow rate and kit contents are not covered in the listing.
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ASIN: B003TQ3VIKModel: MP-4401Category: Electric Fuel Pumps
Overview
A stainless steel body and a bung mount distinguish this MagnaFuel ProStar 500 in-line pump, which also has a bypass outlet. The listing places it across cars, trucks, motorcycles, boats and ATVs.
The bypass port helps regulate fuel pressure in a return-style system. Included components are only noted as per item description, so check the kit contents.
Who it's for
Builders of performance and marine fuel systems using large AN plumbing. Owners wanting a drop-in tank pump should look elsewhere.
Pros and cons
- Large AN fittings
- Stainless steel body
- E85 and gas compatible
- Flow rate not listed
- Kit contents not itemized
- Fit type entry looks inconsistent
Performance notes
A bypass port returns excess fuel to hold pressure steady in the stated range. The large AN ports reduce restriction, but real flow depends on the voltage and lines used.
Specifications
| Model | MP-4401 |
|---|---|
| Dimensions & fit | |
| Item dimensions | 8.4 x 8.3 x 4.6 inches |
| Weight | 6.9 pounds |
| Construction & materials | |
| Body | Stainless Steel |
| Compatibility & installation | |
| Vehicle type | Car, Truck, Motorcycle, Boat, ATV, etc. |
| Mounting | Bung Mount |
| Warranty & support | |
| Warranty | 1 Year Limited Warranty |
| Other details | |
| Fit type | Vehicle Specific Fit |
| Inlet | 12 AN female O-ring, 0.75 inches |
| Pressure | 25-36 psi |
| Fuel | E85 and gas |
| Bypass | 8 AN |
| Oem Equivalent Part Number | MP-4401 |
Frequently asked questions
How is the MagnaFuel MP-4401 installed?
The listing gives no installation steps. It lists a bung mount, 12 AN fittings and an 8 AN bypass, so plan the plumbing around those.
What does the MP-4401 include?
The listing says included components are per item description and does not itemize fittings or hardware.
Can the MP-4401 run E85?
Yes. The title lists E85 and gas.