{"product_id":"aluminium-alloy-fuel-line-one-way-check-valve-anti-backflow-6-8-10-12mm","title":"Aluminium Fuel Line One-Way Check Valve | 6–12mm Anti-Backflow","description":"\n\u003ch2\u003eAluminium Alloy Fuel Line One-Way Check Valve\u003c\/h2\u003e\n\u003cp\u003eKeep your fuel system running efficiently with this precision-engineered \u003cstrong\u003ealuminium alloy one-way check valve\u003c\/strong\u003e. Designed to prevent fuel from flowing back toward the tank, this compact valve maintains consistent fuel pressure in the line — perfect for carburettors and low-pressure fuel systems. Available in four sizes to suit a wide range of applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Backflow Design:\u003c\/strong\u003e Allows fuel to flow in one direction only, keeping fuel in the line and preventing reverse flow back to the tank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Aluminium Construction:\u003c\/strong\u003e Lightweight yet durable alloy body resists corrosion and stands up to demanding under-hood conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Size Options:\u003c\/strong\u003e Available in 6mm, 8mm, 10mm, and 12mm to fit a variety of fuel line diameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simple inline fitment — no specialist tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for carburettor and low-pressure fuel systems across motorcycles, cars, ATVs, boats, and small engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHigh-Quality Aluminium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e6mm, 8mm, 10mm, 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e1 x Fuel Non-Return Check Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCarburettor \u0026amp; Low-Pressure Fuel Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Aluminium Alloy Fuel One-Way Check Valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Size Selection Note:\u003c\/strong\u003e Please specify your required size (6mm, 8mm, 10mm, or 12mm) when placing your order. If no size is indicated, a size will be selected at random.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inch-threaded-brass-ball-valve-water-gas-oil-flow-control\"\u003e1-Inch Threaded Brass Ball Valve – Water, Gas \u0026amp; Oil Flow Control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-1-4-inch-adjustable-washbasin-siphon-trap-leak-proof-silicone-seal\"\u003e1-1\/4\" Adjustable Washbasin Siphon Trap | Leak-Proof Silicone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on fuel system safety and automotive maintenance standards, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_auto_parts\" target=\"_blank\" rel=\"noopener\"\u003eList of auto parts\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does a fuel line one-way check valve do?\u003c\/h4\u003e\n\u003cp\u003eA: A fuel line one-way check valve allows fuel to flow in only one direction — toward the engine — and prevents it from flowing back to the fuel tank. This helps maintain fuel pressure in the line and ensures consistent fuel delivery, especially in carburettor and low-pressure fuel systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which size check valve do I need for my fuel line?\u003c\/h4\u003e\n\u003cp\u003eA: This aluminium alloy check valve is available in 6mm, 8mm, 10mm, and 12mm sizes. Measure the inner diameter of your existing fuel hose or fitting to select the correct size. If you are unsure, consult your vehicle's service manual or a qualified mechanic.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this check valve compatible with my vehicle?\u003c\/h4\u003e\n\u003cp\u003eA: This valve is designed for carburettor and low-pressure fuel systems. It is suitable for a wide range of vehicles and equipment including motorcycles, cars, ATVs, go-karts, boats, lawn mowers, and other small-engine applications. It is NOT intended for high-pressure fuel injection systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install this fuel check valve?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — simply cut your existing fuel line and insert the check valve inline, ensuring the flow-direction arrow on the valve points toward the engine (away from the fuel tank). Secure each end with hose clamps for a leak-free fit. Always work in a well-ventilated area away from ignition sources when working with fuel systems.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a fuel line one-way check valve do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A fuel line one-way check valve allows fuel to flow in only one direction — toward the engine — and prevents it from flowing back to the fuel tank. This helps maintain fuel pressure in the line and ensures consistent fuel delivery, especially in carburettor and low-pressure fuel systems.\"}}, {\"@type\": \"Question\", \"name\": \"Which size check valve do I need for my fuel line?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This aluminium alloy check valve is available in 6mm, 8mm, 10mm, and 12mm sizes. Measure the inner diameter of your existing fuel hose or fitting to select the correct size. If you are unsure, consult your vehicle's service manual or a qualified mechanic.\"}}, {\"@type\": \"Question\", \"name\": \"Is this check valve compatible with my vehicle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This valve is designed for carburettor and low-pressure fuel systems. It is suitable for a wide range of vehicles and equipment including motorcycles, cars, ATVs, go-karts, boats, lawn mowers, and other small-engine applications. It is NOT intended for high-pressure fuel injection systems.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install this fuel check valve?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is straightforward — simply cut your existing fuel line and insert the check valve inline, ensuring the flow-direction arrow on the valve points toward the engine (away from the fuel tank). Secure each end with hose clamps for a leak-free fit. Always work in a well-ventilated area away from ignition sources when working with fuel systems.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car \u0026 Auto\", \"item\": \"https:\/\/oasis-select.com\/collections\/car-auto\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Aluminium Fuel Line One-Way Check Valve | 6–12mm Anti-Backflow\", \"item\": \"https:\/\/oasis-select.com\/products\/aluminium-alloy-fuel-line-one-way-check-valve-anti-backflow-6-8-10-12mm\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"12MM","offer_id":47749107384425,"sku":"14:200003699#12MM","price":9.02,"currency_code":"USD","in_stock":true},{"title":"10MM","offer_id":47749107417193,"sku":"14:200004891#10MM","price":9.02,"currency_code":"USD","in_stock":true},{"title":"8MM","offer_id":47749107449961,"sku":"14:200004890#8MM","price":9.02,"currency_code":"USD","in_stock":true},{"title":"6MM","offer_id":47749107482729,"sku":"14:200004889#6MM","price":9.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sa808594c4c3d4ca6813212424d7b4655i.webp?v=1783092349","url":"https:\/\/oasis-select.com\/products\/aluminium-alloy-fuel-line-one-way-check-valve-anti-backflow-6-8-10-12mm","provider":"Oasis Select","version":"1.0","type":"link"}