Includes pulley, nut & grease fitting. Fits MTD newer 42" cut 600 series, 13AD604G401, 13AI608G129, 13AK604G401, 13AK608G062, 13AK608G129, 13AS608G033, 13AT618G098, 13BR609G022, 13AD608G300, 13AP608G129, 13AQ609G033, 13AS608G033, 13BR609G022, 13BT604G401 & 13BT604G452; Troy-Bilt 13AP609G063, LTX1842, 13AQ609G063, 13BD609G063 & 13BX609G063.
Replaces MTD #(s) 618-0574, 918-0574, 618-0565, 918-0574C.
•Overall Height: 4-7/8"
•6 point star
•Pulley OD: 5-3/4"
•Bolt to Bolt: 3-1/2"