Oil Equipment Mfg 6495 Oil Tank Gauge Vial The item pictured fits Scully brand gauges, not OEM KING Gauges. If your gauge is abour 3/4" dia. this is the corrrect one. If it si 1 3/8" dia, this is not the one. Scully gauge vial Replacement gauge vial and gasket kit. Gauge vial and gasket for Scully gauges