Supco TH4150 Refrigerator Thermistor Kit Replaces Sub Zero 4204150, 4204150S, 3014350, TH4150 PREMIUM REPLACEMENT - This thermistor assembly kit is a direct replacement for Subzero models. Includes directions and wire connectors HIGHEST QUALITY PARTS - The Supco TH4150 meets or exceeds OEM specifications. Supco parts are built to last and popular among repair technicians and DIYers COMPATIBILITY LIST - This refrigerator replacement part replaces 4204150, 4204150S, 3014350, TH4150 MADE IN THE USA - Part is proudly made in the USA!