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139-0684 PUMP-FUEL (4DW)
$34.99
139-0684 PUMP-FUEL (4DW)
$34.99
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- 121-5808 – Toro Extension Brake Spring (Genuine OEM Part)
Description
121-5808 – Toro Extension Brake Spring (Genuine OEM Part)
The Toro 121-5808 Extension Brake Spring is a genuine OEM replacement spring used in the brake and belt control systems on a wide range of Toro TimeMaster® and TurfMaster® walk-behind mowers. This spring provides the correct tension required for proper brake engagement, belt control, and safe blade stopping operation.
Manufactured to Toro factory specifications, this extension spring ensures consistent performance, proper return action, and long service life in commercial and residential mowing environments.
Product Details
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Manufacturer Part Number: 121-5808
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Brand: Toro
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Part Type: Extension Spring
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Function: Brake / Belt Control Spring
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Application: Spindle, Belt, and Blade Brake Assemblies
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OEM Status: Genuine Toro replacement part
Function
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Maintains proper brake tension and blade stopping force
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Assists belt disengagement during blade shutoff
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Ensures safe and compliant mower operation
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Restores correct spring tension lost due to wear or fatigue
Compatible Toro Equipment (Common Applications)
This extension brake spring is widely used across Toro walk-behind mowers, including:
Toro TimeMaster®
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30" models (20199, 20200, 21199, 21200, 21219, 21220)
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76 cm / TM76 models (20975, 20976, 20977, 20978, 21810, 21811, 21815, 21816)
Toro TurfMaster®
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30" TurfMaster® walk-behind mowers
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76 cm TurfMaster® walk-behind mowers
(Used in belt, spindle, and blade brake assemblies across multiple serial ranges.)
⚠️ Because of extensive model and serial-number variations, always verify compatibility using your mower’s model and serial number before ordering.
Installation Notes
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Spring only — mounting hardware sold separately
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Use caution when installing due to spring tension
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Inspect related brake components and belt guides during replacement
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Replace spring if stretched, weakened, corroded, or broken
Suggested Maintenance
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Inspect brake and belt springs during routine service
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Replace at first signs of reduced tension or blade overrun
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Always use genuine Toro springs for safety-critical systems
The Toro 121-5808 Extension Brake Spring is a critical safety and performance component that ensures proper blade braking, reliable belt control, and compliant operation on Toro TimeMaster® and TurfMaster® walk-behind mowers.
