Stem, Needle Valve, to fit A-dec® Century® II Air Coolant Cartridge Housing Fits 33.0101.00 cartridge housing (A-dec® #33.0117.00) A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.