--- product_id: 803442339 title: "3/8\" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS)" brand: "hibuyer" price: "AED 43" currency: AED in_stock: true reviews_count: 8 category: "Hi Buyer" url: https://www.desertcart.ae/products/803442339-3-8-fuel-one-way-check-valve-inline-non-return store_origin: AE region: United Arab Emirates --- # 3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) **Brand:** hibuyer **Price:** AED 43 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) by hibuyer - **How much does it cost?** AED 43 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/803442339-3-8-fuel-one-way-check-valve-inline-non-return) ## Best For - hibuyer enthusiasts ## Why This Product - Trusted hibuyer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product description More Size/Color Avilable 1/4" One Way Check Valve 5/16" One Way Check Valve 3/8" One Way Check Valve 1/2" One Way Check Valve Review: Small Part, Big Help for Preventing Fuel Backflow - These inline one way fuel check valves are simple little components that do exactly what they are supposed to do. If you are dealing with fuel drain back, loss of prime, or pressure issues in a low pressure system, these are an easy and effective solution. The aluminum construction feels solid and well finished. They are lightweight but not flimsy, and the anodized coating looks like it will hold up well against corrosion. The internal spring and seal work smoothly, allowing flow in the correct direction and stopping it cleanly when it needs to. Installation is quick and straightforward. Just pay attention to the arrow direction and slip them into place. The 12mm size fit properly on standard 1/2 inch lines, and once clamped, they stayed secure without leaks. They work well for fuel systems using gasoline or diesel, and they are also useful for other low pressure applications like water or air. Performance has been consistent, with no sticking or hesitation, and they have held pressure reliably since installation. Value for money is good, especially since you get two valves in the pack. It is always nice to have a spare on hand, or to use them in multiple locations if needed. The only reason this is not a full five stars is that these are meant for low pressure systems only, so they are not suitable for every application. As long as you use them within the specified pressure range, they do their job well. Overall, these check valves are simple, durable, and effective. They solve a common problem without adding complexity. Would I recommend them? Yes. If you need a reliable inline check valve for fuel or other low pressure systems, these are a solid option that work as advertised. Review: Didn’t work out until modified. - 1 of them worked for a minute and the other didn’t work at all. I took the apart and the springs to hold the seal were not in place. There’s nothing to keep the springs in place. I took the spring plate out and used a punch to add a dimple in the middle to keep the springs in place. That should have been done when manufactured. I definitely won’t buy them again. ## Features - 【Durable Material】Made of high-quality aluminum alloy with black anodized finish, offering corrosion resistance for stable operation under various conditions. - 【One Way Fluid Control】Features a T304 stainless steel spring and nitrile rubber seal to ensure one-way fluid flow, effectively preventing fuel backflow. This safeguards the fuel system from leaks or pressure loss, enhancing stability and safety. - 【Product Specifications】Outer diameter: 3/8 inch (8 mm). Working pressure range: 0.2–6 bar / 2.9–87 psi. Operating temperature range: -22℉ to 266℉, ensuring reliable performance under diverse conditions. - 【Wide Applicability】Suitable for automotive, marine, RV, motorcycle, and low-pressure fuel systems. Compatible with gasoline, diesel, water, oil, and air (not for methanol or acidic/alkaline fluids). - 【Easy Installation】Compact and lightweight design. Quickly installs on fuel lines following the arrow direction. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FZHXBNV5 | | Best Sellers Rank | #131,542 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Replacement Exhaust Check Valves | | Brand | HiBuyer | | Brand Name | HiBuyer | | Customer Reviews | 3.7 out of 5 stars 12 Reviews | | Exterior Finish | Black Anodized Aluminum | | Included Components | 2PCS Fuel One Way Check Valve | | Item Dimensions | 4 x 4 x 1 inches | | Item dimensions L x W x H | 4 x 4 x 1 inches | | Manufacturer | HiBuyer | | Material | Aluminum | | Material Type | Aluminum | | Maximum Operating Pressure | 6 Bars | | Maximum Pressure | 6 Bars | | Model Number | MG CV | | Number of Pieces | 2 | | Set Name | 3/8" Fuel Check Valve Set (2 Piece) | | Size | 3/8''(10mm) | | Unit Count | 2.0 Count | | Valve Type | Check Valve | ## Images ![3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) - Image 1](https://m.media-amazon.com/images/I/71NzB9o6ZEL.jpg) ![3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) - Image 2](https://m.media-amazon.com/images/I/71FzDb8suYL.jpg) ![3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) - Image 3](https://m.media-amazon.com/images/I/71NLvEcbO-L.jpg) ![3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) - Image 4](https://m.media-amazon.com/images/I/71edB2mvoTL.jpg) ![3/8" Fuel One Way Check Valve Inline Non Return, Aluminium Alloy Fuel Line Check Valve for Fuel Line Diesel Gasoline Water, Black (10mm OD,2PCS) - Image 5](https://m.media-amazon.com/images/I/71cnPkn+6BL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Small Part, Big Help for Preventing Fuel Backflow *by S***S on March 22, 2026* These inline one way fuel check valves are simple little components that do exactly what they are supposed to do. If you are dealing with fuel drain back, loss of prime, or pressure issues in a low pressure system, these are an easy and effective solution. The aluminum construction feels solid and well finished. They are lightweight but not flimsy, and the anodized coating looks like it will hold up well against corrosion. The internal spring and seal work smoothly, allowing flow in the correct direction and stopping it cleanly when it needs to. Installation is quick and straightforward. Just pay attention to the arrow direction and slip them into place. The 12mm size fit properly on standard 1/2 inch lines, and once clamped, they stayed secure without leaks. They work well for fuel systems using gasoline or diesel, and they are also useful for other low pressure applications like water or air. Performance has been consistent, with no sticking or hesitation, and they have held pressure reliably since installation. Value for money is good, especially since you get two valves in the pack. It is always nice to have a spare on hand, or to use them in multiple locations if needed. The only reason this is not a full five stars is that these are meant for low pressure systems only, so they are not suitable for every application. As long as you use them within the specified pressure range, they do their job well. Overall, these check valves are simple, durable, and effective. They solve a common problem without adding complexity. Would I recommend them? Yes. If you need a reliable inline check valve for fuel or other low pressure systems, these are a solid option that work as advertised. ### ⭐ Didn’t work out until modified. *by J***N on March 7, 2026* 1 of them worked for a minute and the other didn’t work at all. I took the apart and the springs to hold the seal were not in place. There’s nothing to keep the springs in place. I took the spring plate out and used a punch to add a dimple in the middle to keep the springs in place. That should have been done when manufactured. I definitely won’t buy them again. ### ⭐⭐⭐⭐⭐ Fixed Fuel Drain-Back Issue on Older Truck *by K***N on February 28, 2026* I installed this 3/8" inline one-way check valve on an older truck that had a problem with fuel draining back to the tank when the engine was off. After adding it into the fuel line, the system held prime and the truck started quicker after sitting. The valve body appears to be aluminum and feels decently built for the price. Barbs were sized correctly for standard fuel hose and it installed easily with hose clamps. Flow direction is clearly marked, which helps avoid installing it backwards. So far it has worked well for preventing fuel bleed-back and seems like a practical, inexpensive fix for older diesel or gasoline setups that lose prime. --- ## 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.ae/products/803442339-3-8-fuel-one-way-check-valve-inline-non-return](https://www.desertcart.ae/products/803442339-3-8-fuel-one-way-check-valve-inline-non-return) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-06-02*