Sumitomo coldhead kit GE MRI part number: 2194003-2 ships with Sumitomo 4k coldhead and indium gasket set, GE MRI Part Number: 2171620. Designed for use with GE MRI low cryogen consumption (LCC) systems. Warning: Contains ferrous material. Take all safety precautions before entering MRI scan room with Sumitomo coldhead or any other ferrous materials. Coldhead replacement services should only be performed by trained personnel. Coldheads available to ship 24 hours a day. Contact us for a price quote.