Description
120-7082 Toro Pulley-Idler (3BP) (Genuine OEM Part)
The Toro 120-7082 Pulley-Idler (3BP) is a genuine OEM component used in the belt drive and blade engagement system on select Toro walk-behind commercial and residential mowers. This idler pulley maintains proper belt tension and alignment, ensuring smooth blade operation and consistent power transfer from the engine to the cutting system.
Precision-manufactured to Toro specifications, this pulley helps prevent belt slippage, reduces vibration, and extends belt and spindle life when properly maintained.
Product Details
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Manufacturer Part Number: 120-7082
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Brand: Toro
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Part Type: Idler Pulley
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Profile: 3BP
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System: Belt Drive / Spindle & Blade Assembly
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OEM Status: Genuine Toro replacement part
Function
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Maintains proper belt tension
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Guides and supports the mower deck belt
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Ensures consistent blade engagement and rotation
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Reduces belt wear, noise, and vibration
Compatible Toro Equipment (Common Applications)
This idler pulley is widely used across Toro commercial and residential walk-behind mowers, including:
Toro TimeMaster Walk-Behind Mowers
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30-inch models
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20199, 20200, 21199, 21200, 21219, 21220
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76 cm / TM76 models
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20975, 20976, 20977, 20978
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21810, 21811, 21815, 21816
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(Used in belt, spindle, and blade assemblies across multiple serial ranges)
Toro TurfMaster Walk-Behind Mowers
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30-inch TurfMaster
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Model 22200
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76 cm TurfMaster
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Model 22205TE
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Due to extensive model and serial-number variations, always confirm compatibility using your mowers model and serial number before ordering.
Installation Notes
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Installs in the belt drive system as a belt-tensioning pulley
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Mounting hardware typically sold separately
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Inspect pulley bearing for noise or resistance before installation
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Replace belt if excessive wear or glazing is present
Suggested Maintenance
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Inspect during belt replacement or annual service
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Replace if pulley bearing is noisy, seized, or wobbles
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Maintain proper belt routing and tension per manufacturer specifications
The Toro 120-7082 Pulley-Idler (3BP) is a critical belt-drive component that helps ensure reliable blade engagement, smooth operation, and long service life for Toro TimeMaster and TurfMaster walk-behind mowers.
