Part Location Diagram of 121-9100 Toro Sprocket
See part B-5 in the diagram
( Grid squares measure 1x1 inch )

Sprocket 121-9100

Manufactured by:
Toro
ERP Number:
ERP11804575
Part Number:
121-9100
Original Equipment Manufacturer ?
  Works with your model  20977!
In Stock
Delivers in 3-5 Business Days!
  Works with your model   20977!

Product Description

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This is a genuine manufacturer-approved component which is designed for Toro lawn mowers. It is an identical replacement for a missing or a damaged sprocket that was installed on a new unit. This part supports the belt and it helps to drive the blade. Refer to the owner's manual and the appropriate diagrams of your model to ensure the correct repair procedure. Note, this high-quality pulley-drive is made of durable materials and is sold individually. A wrench set will be needed to perform this repair.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Toro
This part works with the following products:
  • Lawn Mower
Part# 121-9100 replaces these:
120-1920, 120-7042, 121-9100,

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Model Cross Reference

This part works with the following models:
ERP Number: ERP11804575
Manufacturer Part Number: 121-9100
Brand Model Number Description
Toro 20199 Lawn Mower - TimeMaster 30 in. Lawn Mower
Toro 20200 Lawn Mower - TimeMaster 30 in. Lawn Mower
Toro 20975 Lawn Mower - Toro Lawn Mower Model 20975/SERIAL: 315000001-315999999 (20975/SERIAL:315000001315999999, 20975/SERIAL: 315000001 315999999) Parts
Toro 20976 Lawn Mower - Timemaster 76cm Lawn Mower
Toro 20977 Lawn Mower - Toro Lawn Mower Model 20977/SERIAL: 315000001-315999999 (20977/SERIAL:315000001315999999, 20977/SERIAL: 315000001 315999999) Parts
Toro 20978 Lawn Mower - Timemaster 76cm Lawn Mower
Toro 21199 Lawn Mower - Timemaster 30in Lawn Mower
Toro 21199HD Lawn Mower - Timemaster 30in Lawn Mower (Home Depot Rental)
Toro 21200 Lawn Mower - Timemaster 30in Lawn Mower
Toro 21219 Lawn Mower - 30 Inch Timemaster Walk-Behind Mower
Toro 21220 Lawn Mower - 30 Inch Timemaster Walk-Behind Mower
Toro 21491 Lawn Mower - Etimemaster 30in 60v Lawn Mower
Toro 21491T Lawn Mower - Etimemaster 30in 60v Lawn Mower
Toro 21493 Lawn Mower - Etimemaster 30in 60v Lawn Mower
Toro 21810 Lawn Mower - Timemaster 76cm Lawn Mower
Toro 21811 Lawn Mower - Timemaster 76cm Lawn Mower
Toro 21815 Lawn Mower - 76cm Timemaster Walk-Behind Mower
Toro 21816 Lawn Mower - 76cm Timemaster Walk-Behind Mower
Toro 21876 Lawn Mower - Etimemaster 76cm 60v Lawn Mower
Toro 21876T Lawn Mower - Etimemaster 76cm 60v Lawn Mower
Toro 22200 Lawn Mower - 30in Turfmaster Walk-Behind Lawn Mower.
Toro 22205TE Lawn Mower - Toro Lawn Mower Model 22205TE/Serial: 314000001-314999999/2014 (22205TE/Serial:314000001314999999/2014, 22205TE/Serial: 314000001 314999999/2014) Parts
Toro 22207 Lawn Mower - 76cm Turfmaster Walk-Behind Lawn Mower.
Toro 22210 Lawn Mower - 30in Turfmaster Walk-behind Lawn Mower, 2017
Toro 22215 Lawn Mower - 30in Turfmaster Hdx Walk-Behind Lawn Mower.
Toro 22225 Lawn Mower - 30in Turfmaster Hdx Walk-Behind Lawn Mower.
Toro 22232 Lawn Mower - 30 Inch Turfmaster Revolution 60v Walk-Behind Mower
Toro 22232T Lawn Mower - 30in Turfmaster Revolution 60v Lawn Mower
Toro 22235 Lawn Mower - 30in Turfmaster Hdx Walk-Behind Lawn Mower.