This part is commonly Used on models:
147-5036 Torsion Idler Kit, GrandStand Mower, With 48in/122cm Rear Discharge TURBO FORCE Cutting Unit
72510 GrandStand HDX Mower, With 60in TURBO FORCE Cutting Unit
72514 GrandStand HDX Mower, With 60in TURBO FORCE Cutting Unit
72504 GrandStand Mower, With 48in TURBO FORCE Cutting Unit
72518 GrandStand Mower, With 48in TURBO FORCE Cutting Unit
72504TE GrandStand Mower, With 122cm TURBO FORCE Cutting Unit
72542TE GrandStand Mower, With 122cm Rear Discharge TURBO FORCE Cutting Unit