This part is commonly Used on models:
78455 44"" and 52"" Twin Soft Bagger, 100 Series Z Master
78507 44"" and 52"" Twin Soft Bagger, Z100 Z Master
78531 48in E-Z Vac Bagger, Z400 Series Z Master Mowers
78532 52in E-Z Vac Bagger, Z400 Series Z Master Mowers
78541 48in DFS E-Z Vac Collection System, Z400 Series Z Master Mowers
78542 52in DFS E-Z Vac Collection System, Z400 Series Z Master Mowers
LHPUV4448 Ultra Vac LHP
LHPUV4650 Ultra Vac Lazer HP
LHPUV52 Ultra Vac LHP
LHPUV5256 Ultra Vac Lazer HP
LHPUVD4448 Ultra Vac QDS Lazer HP
LHPUVD4650 Ultra Vac QDS Lazer HP
LHPUVD52 Ultra Vac QDS Lazer HP
LHPUVD5256 Ultra Vac QDS Lazer HP