This replacement part is made from durable high quality material. Designed to meet or exceed Original Equipment Manufacturer specifications. Fits ventilated decks using star shaped center hole blades. Spindle assemblies are subject to general damage and wear. Damaged or bent blades can damage spindle assemblies. Fits AYP & Husqvarna 36", 38" & 42" ventilated decks using star shaped center hole blades. Includes pulley nut, threaded bolts & lock washers. Uses #276-0680 pulley for 38" deck & #276-0684 pulley for 42" deck; #253-0664 spindle shaft, #252-0641 spindle housing, #272-7629 bottom bearing & #272-6860 top bearing. Pre-tapped mounting holes for easier assembly. Replaces AYP #(s) 130794; Husqvarna #(s) 532 13 07-94.