This Kit Includes the Following Parts:(1) 96-1/2" x 1/2” Deck Belt - Replaces MTD 954-04060B(2) 21-3/16" Mulching Blades - Replaces MTD 942-04312(2) Idler Pulleys - Replaces MTD 756-04129B(2) Spindle Assemblies with Grease Fittings - Replaces MTD 918-04822A  (8) New Mounting Bolts IncludedFits the Following Yard Machines by MTD  42" Lawn Tractor Models:13A2775S000 (2013) 13AJ775S000 (2011) 13AM772S000 (2011 - 2012) 13AN772S000 (2010) 13AN775S000 (2012 - 2013) 13AN775S200 (2012 - 2013)