Browse mini-split ductless parts at Stockpile Express, including thermistors, control boards, adapters, and other components for your system. Find control boards that manage all operations of a mini-split, thermistor assemblies ideal for generating electrical resistance to measure the temperature, and air filters geared for optimal performance. We also carry assemblies for mini-split controls, connections, drains, inverters, and fans. To simplify your search, use our helpful filters to sort ductless parts by product type and size. Whether you’re installing a new mini-split ductless system or looking for parts to repair or maintain your unit, browse the selection at Stockpile Express and find necessary components from Samsung, Haier, and other trusted manufacturers.