3/8-in. NPTF x 3/8-in. Barb Aluminum Fuel Shut-Off Valve
OE Quality 11.20055-0177-I.B Marine Delivery Valve Assembly for MAN B&W L32/40 diesel engine - F-DIESEL Common Rail Injection System Components,Engine Parts and Automotive Electronics Parts Mall
Anti-Siphon Valve 1/2" 90 Degree
GROCO 1/2Inch 4-Port Tank Selector Valve
Check Valve in Fuel tank - Offshoreonly.com
R&R Design 100FSV Selector Down Valve for 2 Fuel Tank Boat RV Universal Applicat
Forged brass marine in-line fuel shut off valve for vintage runabouts and cruisers