This part is commonly Used on models:
74410 Z400 Z Master, With 52in 7-Gauge Side Discharge Mower
74418 Z400 Z Master, With 48in 7-Gauge Side Discharge Mower
LCT18BV483 Lazer Z CT
LCT21BV523 Lazer Z CT
LCT23BV603 Lazer Z CT
LCT4418BV Lazer Z CT
LCT5218BV Lazer Z CT
LCT23BV523 Lazer Z CT
LCT4818BV Lazer Z CT
