EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (10mm OD,2PCS)

911-169[Left Side] Secondary Air Injection Check Valve, with Gasket, Compatible with Subaru Forester 2005-2013, Impreza 2006-2014, WRX STI 2013-2019, 2.5L, with 5-Pin, Replace OE 14864AA020

EVIL ENERGY 3/8" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (10mm OD,2PCS)

URO Parts 11367537692 Cylinder Head Oil Check Valve

EVIL ENERGY 5/16" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (8mm OD,2PCS)

Brian Crower BC3101 Exhaust Valve (Mitsubishi 4G63 Eclipse/Evo 30.5Mm)

EVIL ENERGY 5/16" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (8mm OD,2PCS)

Brian Crower BC3605-S Exhaust Valve (02-09 WRX / 04-09 STI EJ205/EJ255/EJ257 +1Mm Over STD Tip 33Mm) Set Of 8), 8 Pack

mxuteuk 2Pcs 3/8" 10mm Aluminium Black Non Return One Way Check Valve with 4Pcs 6-12mm Universal Adjustable Hose Clamps for Fuel Petrol Diesel Line Oil

1/4" 2PCS Fuel One-way Check Valve, Aluminium Alloy 6mm OD Fuel Line Check Valve One Way Non Return for Diesel Gasoline Water, Black (Set of 2)