Moeller 621001-10 Gauge Assembly for Ultra3/6 Portable Fuel Tanks Direct factory replacement parts for your portable fuel tank Same components used in the original tank construction Fits the following Moeller Portable fuel tank models: 3 gallon (62003 and 620003LP), 6 gallon (620049, 620049LP, and 620040LP), 9 gallon (630014LP) Replacement gauges for original Tempo and new Low Permeation portable fuel tanks