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The EVIL ENERGY 3/8" Fuel Check Valve is a high-performance, inline non-return valve designed for carburetor and low-pressure fuel systems. Made from durable 6061-T6 aluminum alloy with a corrosion-resistant black anodized finish, it features a stainless steel spring to prevent fuel backflow and maintain system pressure. Rated for pressures up to 6 bar and temperatures from -22℉ to 266℉, this compact valve ensures reliable fuel flow and easy installation with barb connectors. Ideal for diesel, gasoline, and various fluids, it’s a trusted choice for professionals seeking dependable fuel system stability.

| ASIN | B08JJ1F79D |
| Best Sellers Rank | #26,665 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Check Valves |
| Brand | EVIL ENERGY |
| Brand Name | EVIL ENERGY |
| Connector Type | Barb |
| Customer Reviews | 4.5 out of 5 stars 3,144 Reviews |
| Exterior Finish | Aluminum |
| Exterior finish | Aluminum |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Barb |
| Inlet connection size | 0.38 Inches |
| Inlet connection type | Barb |
| Manufacturer | EVIL ENERGY |
| Manufacturer Part Number | EV01342S10BK |
| Material | Aluminum |
| Material Type | Aluminum |
| Maximum Operating Pressure | 6 Bars |
| Model Number | EV01342S10BK |
| Number of Items | 2 |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.38 Inches |
| Outlet Connection Type | Barb |
| Outlet connection type | Barb |
| Set Name | 2 pieces |
| Size | 3/8 |
| Specification Met | ANSI B1.20.1, ANSI B16.11, ASME B16.34, ASTM, CSA, EPA, ISO 9001, ULC |
| Thread Size | 0.375 pulgadas |
| Thread Type | NPT |
| Unit Count | 2.0 Count |
| Valve Type | check valve |
R**E
Just want the advert says
Perfect
A**R
Good Price Good Product
These work exceptionally weel in preventing loss of prime to the electric fuel pump.
C**S
Quality and correctly sized
Nice construction, used for pond water feature rather than fuel so s tad over engineered for the purpose but I like that. Good fit well made.
C**S
Great product
These check valves do a great job of preventing fuel from running backwards.A++++++
M**D
Work will
Recommend
D**D
works extremely good.
put on my RV for the generator so gas isn't sucked back to main fuel tank making much easier to start without constantly priming.
Trustpilot
1 month ago
3 weeks ago