Does the 12v 4.5-7psi pump have a check valve so fuel can only flow in one direction?

Yes, this fuel pump has only one check valve and fuel can only flow in one direction.

Anyone find the male end for the electric connection? What do you search

There should be a mating plug on the 02A car. If there is no mating plug, you can cut off the plug and connect red to positive and black to negative.

Can i use the 2.5-4.5 psi model to add an external fuel tank to a gravity fed 3400w generator? will it flood the carburetor?

This pump output pressure is 4.5-7psi,so you can't use this model.But you can buy another pump that is E8016S in our shop, which can add an external fuel tank to a gravity fed 3400w generator.

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Electric Fuel Pump 12V Universal Low Pressure 5-9 PSI Gas Diesel Inline Metal Solid Petrol Compatible with Carburetor HEP-02A

Product ID: 316918577

Details

Brand
AdvanEX
Fit Type
Universal Fit
Item Weight
0.4 kg
Material
Metal
Vehicle Service Type
Car Truck

⚡12V electric power

⛽100 L/H fuel flow rate

💨5-9 PSI low pressure output

€ 35.56

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Power your ride with precision and durability — don’t get left behind!

EFFICIENT FUEL FLOW - High flow rate of 100 liters per hour ensures smooth engine operation without lag.
TRUSTED OE REPLACEMENT - Directly replaces multiple OEM parts for hassle-free installation and reliability.
ROBUST METAL CONSTRUCTION - Durable solid metal body built to withstand demanding automotive environments.
UNIVERSAL 12 V COMPATIBILITY - Seamlessly powers cars, trucks, boats & more with a single pump.
PRECISION LOW PRESSURE CONTROL - Delivers a steady 5-9 PSI for optimal carburetor and diesel engine performance.

The AdvanEX Electric Fuel Pump HEP-02A is a universal 12V inline pump designed for low pressure fuel delivery (5-9 PSI) with a high flow rate of 100 L/H. Its solid metal construction ensures durability across cars, trucks, boats, and more, making it a reliable OE replacement compatible with various carburetor and diesel systems. Backed by a one-year warranty and responsive support, it’s engineered for seamless installation and consistent performance.

Specifications

ASIN	B092S651ZL
Auto Part Position	Inside
Automotive Fit Type	Universal Fit
Best Sellers Rank	#14,396 in Automotive ( See Top 100 in Automotive ) #40 in Automotive Replacement Electric Fuel Pumps
Body Material	Metal
Brand Name	AdvanEX
Compatible with Vehicle Type	Car, Truck
Connector Type	NPT
Customer Reviews	4.2 4.2 out of 5 stars (480)
Fit Type	Universal Fit
Gas Type	diesel,gas
Inlet Connection Size	8 millimeters
Inlet Connection Type	Hose Barb
Item Weight	0.4 kg
Manufacturer	HXPARTS
Manufacturer Part Number	HX-18021
Material Type	Metal
Mounting Type	Bung Mount
Number of Items	1
OEM Equivalent Part Number	1004-30334, 2P74019 5656980, 6414671 6472381 152-0584 69404, 6414671 EP12S FD0002 P60430 HEP-02A DW588
Operation Mode	Electric
Part Interchange Info	1004-30334, 2P74019 5656980, 6414671 6472381 152-0584 69404, 6414671 EP12S FD0002 P60430 HEP-02A DW588
Product Grade	Performance Part
Product Style	Electric
Specification Met	OE
UPC	783097004211
Unit Count	1 Count

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€ 35.56

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

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