Relace OEM:

Cub Cadet/MTD/Troy-Bilt: 

618-04636, 618-04636A, 618-04865, 618-04865A, 918-04636, 918-04636A, 918-04865A

Fit Models:

Cub Cadet: LTX1045, LTX1046 and Z-force S 46

MTD: 13AL771T004, 13AL78ST099, 13AL78ST299, 13AL795T004, 13AL795T057, 13AO785T058, 13AR91PT099, 13AR91PT299, 13AT915T004, 13AX771T004, 13AX791T031, 13AX90YT001, 13AX915T004 and 13WX791T031

Notes:

6 pt. star shaft

Cast aluminum assembly includes grease zerk , 4 mounting bolts and blade nut

Pulley Outer Diameter  5 7/16"

Height: 6 7/8"