132-7408, Cosel, Cosel Heatsink, for use with CQHS300 Series, CQHS350 Series, DHS50 Series and DHS100 Series, TUNS50 Series Cosel Heatsink, for use with CQHS300 Series, CQHS350 Series, DHS50 Series and DHS100 Series, TUNS50 Series