3. It maintains valve core elasticity and sealing performance even in the high-temperature engine compartment, ensuring stable delivery of fuel, engine oil, and other media, and preventing failure due to high temperatures 2. It can be quickly connected to fuel lines without complex tools, ensuring smooth insertion and removal with a tight seal, thereby reducing installation time and minimising the risk of leaks 5. various common automotive media including gasoline, engine oil, suitable for fuel systems of various passenger cars, trucks, motorcycles, and small machinery 4. Features an internal precision spring-return valve core for rapid response, enabling precise way shut-off to effectively prevent fuel and engine oil backflow, avoiding issues such as insufficient fuel supply, fuel line airlock, and pump damage caused by backflow, ensuring smooth engine fuel system The non-return valve is made of aluminium alloy with an anodised finish; it features a stable structure, is corrosion-resistant and has high thread strength., Manufacturer: uoXHFdh