--- product_id: 295377390 title: "3/8\" 10mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2" brand: "evil energy" price: "$55.99" currency: USD in_stock: true reviews_count: 5 category: "Evil Energy" url: https://www.desertcart.ec/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel store_origin: EC region: Ecuador --- # prevents fuel backflow up to 6 bar operates -22℉ to 266℉ 6061-T6 aluminum alloy build 3/8" 10mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 **Brand:** evil energy **Price:** $55.99 **Availability:** ✅ In Stock ## Summary > ⛽ Keep your engine primed and ready—never miss a start with EVIL ENERGY check valves! ## Quick Answers - **What is this?** 3/8" 10mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 by evil energy - **How much does it cost?** $55.99 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel) ## Best For - evil energy enthusiasts ## Why This Product - Trusted evil energy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fuel Flow Mastery:** Stainless steel spring ensures one-way flow, eliminating backflow and stabilizing fuel pressure. - • **Wide Operating Range:** Reliable performance from freezing -22℉ to scorching 266℉, perfect for all climates and conditions. - • **Effortless Installation:** Compact, lightweight design with barb inlet/outlet for quick, no-fuss setup in any fuel line. - • **Versatile Compatibility:** Ideal for carburetors and low-pressure fuel systems; supports petrol, diesel, oil, air, and more. - • **Precision Engineered Durability:** Crafted from high-strength 6061-T6 aluminum with black anodized finish for ultimate corrosion resistance. ## Overview The EVIL ENERGY 3/8" (10mm) check valve is a robust, aluminum alloy one-way valve designed to prevent fuel backflow in low-pressure fuel systems. Operating reliably between -22℉ and 266℉ and up to 6 bar pressure, it features a stainless steel spring for consistent flow control. Its compact barb fittings enable quick installation, making it a trusted choice for carburetors and various fuel types including petrol, diesel, and oil. ## Description EVIL ENERGY is our brand, we're a direct and professional manufacturer, one of greatest manufacturer and exporter in tuning parts include intake system, exhaust system, fuel system, cooling system, interior and exterior parts. Check valves are suitable for carburetor and low pressure fuel systems. The main function of the check valve in the system is to prevent backflow and keeping it in the line. It can greatly solve the problem of slow starting vehicles. Review: Good Price Good Product - These work exceptionally weel in preventing loss of prime to the electric fuel pump. Review: 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. ## Features - Specifications: 3/8 inch (10 mm) OD. Minimum upstream pressure: 0.2 bar (2.9 psi). Working pressure range: 0.2–6 bar (2.9–87 psi). Operating temperature range: -22℉ to 266℉ for reliable performance in various conditions. - Material: Made of high-strength 6061-T6 aluminum alloy, the check valve is black anodized for enhanced corrosion and wear resistance. - Feature: This EVIL ENERGY fuel line check valve is equipped with a stainless steel spring that allows fluid to flow in only one direction, effectively preventing fuel backflow and maintaining stable system pressure. - Installation: The one way valve is compact and lightweight with barb inlet/outlet for quick, hassle-free setup in fuel lines. - Application: The EVIL ENERGY fuel check valve is widely used in carburetor and low-pressure fuel systems. It is compatible with various media such as water, petrol, diesel, gas, oil, air, and other fluids.(Methanol is not recommended) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07ZB2R2FS | | Best Sellers Rank | #14,642 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Exhaust Vacuum Tee Connectors | | Brand | EVIL ENERGY | | Brand Name | EVIL ENERGY | | Connector Type | Barb | | Customer Reviews | 4.4 out of 5 stars 3,030 Reviews | | Exterior Finish | Stainless Steel | | Exterior finish | Stainless Steel | | Inlet Connection Size | 0.38 Inches | | Inlet Connection Type | Barb | | Inlet connection size | 0.38 Inches | | Inlet connection type | Barb | | Manufacturer | Speedwow Tuning | | Manufacturer Part Number | EV01342S10SRCA1 | | Material | Aluminum | | Material Type | Aluminum | | Maximum Pressure | 6 Bars | | Model Number | EV01342S10SRCA1 | | 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 | EVIL ENERGY 2-Piece Check Valve Set | | Size | 3/8 | | Specification Met | VIL | | Thread Size | 3/8 inch NPT | | Thread Type | NPT | | Unit Count | 2 Count | | Valve Type | Check Valve | ## Product Details - **Brand:** EVIL ENERGY - **Exterior finish:** Stainless Steel - **Inlet connection size:** 0.38 Inches - **Inlet connection type:** Barb - **Material:** Aluminum ## Images ![3/8" 10mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 1](https://m.media-amazon.com/images/I/61otgUSzJZL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good Price Good Product *by A***R on 28 July 2026* These work exceptionally weel in preventing loss of prime to the electric fuel pump. ### ⭐⭐⭐⭐⭐ Quality and correctly sized *by C***S on 20 January 2024* 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. ### ⭐ Pesimo *by R***. on 6 May 2026* 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! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ec/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel](https://www.desertcart.ec/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-08-14*