FOLT1826M 18 Gallon Belly Shaped Fuel Tank 50.5″ x 21″ x 5.5″, roto-molded seamless crosslink polyethylene fuel tank. This tank comes with all of the fittings noted on the diagram including the sender. This tank is ABYC and NMMA compliant. Please see our list of suggested installation materials. This item is made to order and cannot be returned so measure twice!