503744405 Husqvarna Clutch superseded to 586798402

503744405 Husqvarna Clutch superseded to 586798402.  Fits 570 (2005-04),570 (EPA) (2004-09), 570 EPA, 575 XP (EPA) (2009-01), 575 XP (EPA)(2004-09), 576 XP (2013-03), 576XP EPA (2011-01); 570 (2007-01), 570 – AUTOTUNE (2013-03), 570 XP (2007-01), 575 XP EPA (2007-01), 576 XP AUTO TUNE (2010-03), 570 (2008-08), 570 EAP (2005-04), 575 XP (2005-04), 575 XP EAP (2005-04), 576 XP EPA (2009-01), 570 (2009-08), 570 EPA (2005-04), 575 XP (2007-01), 576 XP (2008-08), 576XP AUTO TUNE (2010-03).