This is the replacement walking belt for the Horizon T-50 Model. Part Number: 004249-DB. Fits the following models: Horizon: Elite Series - 1.1T - 2005 (TM133), Elite Series - 1.2T - 2006 (TM148), Elite Series - 1.3T - 2007 (TM227), Elite Series - 2.0T - 2004 (TM106), Elite Series - 2.1T - 2005 (TM134), Elite Series - 2.2T - 2006 (TM144), Elite Series - 2.3T - 2007 (TM230), Elite Series - 3.0T - 2004 (TM103), Elite Series - 3.1T - 2005 (TM135), Elite Series - 3.2T - 2006 (TM145), Horizon - T20 - 2004 (TM102), Horizon - T30 - 2004 (TM76D), HZ Series - T25 - 2005 (TM129), HZ Series - T35 - 2005 (TM130), HZ Series - T50 - 2006 (TM162), HZ Series - T70 - 2006 (TM177), HZ Series - T95 - 2007 (TM202).