This part is commonly Used on models:
78456 62"" Triple Soft Bagger, 200 Series Z Master
78498 52"" Twin Soft Bagger, 200 Series Z Master
78544 60in DFS E-Z Vac Collection System, Z500 Series Z Master Mowers
78545 72in DFS E-Z Vac Collection System, Z500 Series Z Master Mowers
78570 E-Z Vac Twin Bagger, 2016 and After Grandstand Mower
78524 Twin Bagger, Grandstand Mower