For Husqvarna models: 445 II and 450 II, 445 and 445 E - 2007-2011, 450 E - 2009-2010 For Jonsered models: CS2245, CS2245 S II and CS2250 S II, CS2245 S - 2007-2011 Replaces for Zama: C1M-EL37 Replace for Husqvarna: 506450401 & 506 45 04 01…View more