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🚀 Lock in your fuel flow, unlock peak engine power!
The EVIL ENERGY 3/8" Fuel Check Valve is a robust, high-performance inline non-return valve designed for diesel and gasoline systems. Made from premium black anodized 6061-T6 aluminum with a stainless steel spring, it ensures one-way fuel flow, preventing backflow and maintaining system pressure. Rated for pressures up to 6 bar and temperatures from -22℉ to 266℉, it offers reliable operation across diverse environments. Compact and easy to install with barb connectors, this valve is a trusted choice for carburetor and low-pressure fuel systems.
| ASIN | B08JJ1F79D |
| Best Sellers Rank | #1,765 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Exhaust Check Valves |
| Brand | EVIL ENERGY |
| Brand Name | EVIL ENERGY |
| Connector Type | Barb |
| Customer Reviews | 4.5 out of 5 stars 3,155 Reviews |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 0.38 inches |
| Inlet Connection Type | National Pipe Tapered |
| Manufacturer | EVIL ENERGY |
| Manufacturer Part Number | EV01342S10BK |
| Material | Aluminum |
| Material Type | Aluminum |
| Maximum Pressure | 6 bar |
| Model Number | EV01342S10BK |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.38 inches |
| Outlet Connection Type | National Pipe Tapered |
| Set Name | 2 |
| Size | 3/8 |
| Thread Size | 3/8 inch (10mm) |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | check valve |
D**3
Works as intended.
My zero turn would crank a little longer than I thought it should before it would start. I suspected the fuel was siphoning back to the tank after shutdown. This was cheap and easy to install so why not give it a try. Glad I did. Much better now.
R**.
They Work Great
Works great. Little expensive but worth it.
D**S
It was actually what I ordered
Work perfectly what a great product!
L**N
Works well as advertised
These check valves fit well, work as they should and look good.
S**A
Five star product worth every penny
If you have a turbo, you’re running a catch. Can you really need these check valves it’ll save your motor. Install was real easy and you can save me thousands of dollars all metal construction very strong. Very sound part a must have if you have a turbo
J**L
Game-Changer for Cold Starts – Must-Have for Older Rigs!
I installed the Evil Energy 3/8" inline fuel check valve along with their 300 PSI 3/8" fuel hose on my 1998 Jeep Grand Cherokee (5.2L) — and let me tell you, the difference was night and day. My Jeep already had a new fuel pump and strong pressure readings, but the pressure would drop quickly after shutdown, making cold starts a chore. After adding the check valve into the line, the fuel pressure now holds steady, and startups are instant — no more pumping the throttle or long cranks. It genuinely saved my carbureted-style motor’s life. The valve came as a pair, easy to install, and the directional arrow makes orientation simple. The hose is tough, cleanly built, and rated at 300 PSI, so you know it’s not cheap junk. Whether you're fighting bleed-off issues or just want to protect your fuel system, this is a cheap, high-quality fix. Can’t recommend it enough!
T**N
Not a strong check valve.
These have a very flimsy rubber diaphragm that will dislodge more than it'll stay in place and cause fuel flow problems because it rolls into the outlet nozzle and blocks fuel flow. Happened on 3 different ones in a 55psi fuel injection system gas line. Toss them. Not robust.
T**T
Very nice will buy again 👌
Works well for one way vent for modified valve cover predator 212 build
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.
R**.
Pesimo
Pesima calidad, no es de la medida que describe (mas chica) y no soporta mas de 5 psi de presión, no lo puedo devolver porque ya lo use!
M**D
Work will
Recommend
Y**D
The Flow Rate not what you can expected
sure was made from good material , but the flow not what you can expected.
Trustpilot
1 month ago
1 month ago