This part is commonly Used on models:
72514 GrandStand HDX Mower, With 60in TURBO FORCE Cutting Unit
72517 GrandStand HDX Mower, With 72in TURBO FORCE Cutting Unit
LRX993EBX606Q1 Lazer Z X-Series
LRX993EBX726Q1 Lazer Z X-Series
72981 Z Master Professional 6000 Series Riding Mower, with 60in TURBO FORCE Side Discharge Mower
72983 Z Master Professional 6000 Series Riding Mower, with 72in TURBO FORCE Side Discharge Mower