3pcs 10mm 3/8″ Non-Return One Way Air Fuel Oil Check Valve Diesel Gas Chrome
For Use With Petrol, Diesel, Bio / Vegetable oil, Paraffin / Kerosene oil, etc. Size: 10mm (3/8″). Function: Prevents fuel from siphoning back to the tank and holds it in the line. This product can perfectly solve the problem that your vehicle is hard or slow to start because the fuel is running back through the lines.