--- 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: "B/.53" currency: PAB in_stock: true reviews_count: 5 category: "Evil Energy" url: https://www.desertcart.com.pa/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel store_origin: PA region: Panama --- # 6 bar max working pressure 3/8 inch (10mm) precision fit -22℉ to 266℉ wide temp range 3/8" 10mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 **Brand:** evil energy **Price:** B/.53 **Availability:** ✅ In Stock ## Summary > 🚀 Lock in your fuel flow, unlock peak performance! ## 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?** B/.53 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/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 - • **All-Weather Durability:** Performs flawlessly from freezing -22℉ to scorching 266℉, perfect for any climate or engine heat. - • **One-Way Flow Assurance:** Stainless steel spring mechanism prevents fuel backflow, stabilizing system pressure and boosting engine start-up speed. - • **Precision Engineered Fit:** 3/8 inch OD ensures seamless integration with standard fuel lines for hassle-free installation. - • **Premium Aluminum Alloy Build:** Crafted from 6061-T6 black anodized aluminum for superior corrosion resistance and long-lasting wear. - • **Unmatched Pressure Resilience:** Operates reliably up to 6 bar (87 psi), maintaining optimal fuel flow under demanding conditions. ## Overview The EVIL ENERGY 3/8" (10mm) check valve is a high-strength, black anodized aluminum one-way valve designed for fuel lines in carburetor and low-pressure systems. With a robust stainless steel spring, it prevents backflow and maintains stable pressure, operating reliably across a wide temperature range (-22℉ to 266℉) and pressures up to 6 bar. This compact, easy-to-install valve is ideal for petrol, diesel, oil, and air applications, ensuring faster engine starts and enhanced fuel system efficiency. ## 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 | #29,135 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Exhaust Vacuum Tee Connectors | | Brand | EVIL ENERGY | | Brand Name | EVIL ENERGY | | Connector Type | Barb | | Customer Reviews | 4.5 out of 5 stars 3,043 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. ### ⭐⭐⭐⭐⭐ Works as intended. *by D***3 on 4 August 2026* 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. --- ## 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.com.pa/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel](https://www.desertcart.com.pa/products/295377390-3-8-10mm-non-return-one-way-check-valve-fuel) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-09-18*