This part is commonly Used on models:
72523 GrandStand Multi Force Mower, With 60in TURBO FORCE Cutting Unit
72529 GrandStand Multi Force Mower, With 52in TURBO FORCE Cutting Unit
72524 GrandStand Multi Force Mower, With 60in TURBO FORCE Cutting Unit and Low Flow Hydraulics
72530 GrandStand Multi Force Mower, With 52in TURBO FORCE Cutting Unit and Low Flow Hydraulics