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8834728-1-M-Toro-109-3540-O-ring-seal
Part Location Diagram of 109-3540 Toro O-ring-seal
See part T-60 in the diagram
( Grid squares measure 1x1 inch )
8834728-1-S-Toro-109-3540-O-ring-seal 8834728-2-S-Toro-109-3540-O-ring-seal Part Location Diagram of 109-3540 Toro O-ring-seal

O-ring-seal 109-3540

Manufactured by:
Toro
ERP Number:
ERP8834728
Part Number:
109-3540
Original Equipment Manufacturer ?
$8.68
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(1 rated repair) ?

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Description Troubleshooting Repair Instructions Model Cross Reference

Product Description

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This is available as an individual replacement part. The o-ring seal goes next to the charge pump cover and is made of rubber. During replacement, it may require a socket set to help install this item correctly. It will need to be replaced if it becomes broken. It is a genuine OEM sourced part which is specially designed for use with Toro lawn tractors.

Troubleshooting

This part works with the following brands:
  • Toro
  • Exmark
This part works with the following products:
  • Lawn Mower
  • Lawn Tractor
  • Aerator
Part# 109-3540 replaces these:
109-3540, 146-6096,

Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

30 - 60 mins 

(1 rated repair) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Charge pump cover was leaking oil

Vernon from Lawrenceburg, Tennessee

5 of 5 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Socket set
Parts Used:
109-3540
I removed the two bolts that held the charge pump cover in place and replaced the faulty O ring. I didn\'t realize that the gear inside had to be timed when it was reinstalled. Lining up the two dots and replacing took a little effort. All ended well and no more leak.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP8834728
Manufacturer Part Number: 109-3540
Brand Model Number Description
Toro 23518 Tiller - 30in Stand-on Aerator, 2012
Toro 29516 Aerator - 24in Stand-On Aerator
Toro 29521 Aerator - 30in Stand-On Aerator
Toro 33518 Tiller - 30in Stand-on Aerator, 2012
Toro 39514 Aerator - 24in Stand-On Aerator.
Toro 39521 Aerator - 30in Stand-On Aerator.
Toro 725058076 Lawn Mower
Toro 74408 Lawn Mower - Toro Lawn Mower Model 74408/SERIAL: 270000001-270000700 (74408/SERIAL:270000001270000700, 74408/SERIAL: 270000001 270000700) Parts
Toro 74408CP Lawn Mower - Toro Lawn Mower Model 74408CP/SERIAL: 270000001-270000700 (74408CP/SERIAL:270000001270000700, 74408CP/SERIAL: 270000001 270000700) Parts
Toro 74408TE Lawn Mower - Toro Lawn Mower Model 74408TE/SERIAL: 270000001-270000700 (74408TE/SERIAL:270000001270000700, 74408TE/SERIAL: 270000001 270000700) Parts
Toro 74409 Lawn Mower - Toro Lawn Mower Model 74409/SERIAL: 270000001-270000700 (74409/SERIAL:270000001270000700, 74409/SERIAL: 270000001 270000700) Parts
Toro 74409CP Lawn Mower - Toro Lawn Mower Model 74409CP/SERIAL: 270000001-270999999 (74409CP/SERIAL:270000001270999999, 74409CP/SERIAL: 270000001 270999999) Parts
Toro 74409TE Lawn Mower - Toro Lawn Mower Model 74409TE/SERIAL: 270000001-270000700 (74409TE/SERIAL:270000001270000700, 74409TE/SERIAL: 270000001 270000700) Parts
Toro 74447TE Lawn Mower - 122cm Titan Hd 1500 Series Riding Mower, 2017
Toro 74450 Lawn Mower - 48in Titan Hd 1500 Series Riding Mower, 2017
Toro 74451 Lawn Mower - 52in Titan Hd 1500 Series Riding Mower, 2017
Toro 74451TE Lawn Mower - 132cm Titan Hd 1500 Series Riding Mower, 2017
Toro 74452 Lawn Mower - 60in Titan Hd 1500 Series Riding Mower, 2017
Toro 74453 Lawn Tractor - 48in Titan Hd 1500 Series Riding Mower.
Toro 74453TE Lawn Tractor - 122cm Titan Hd 1500 Series Riding Mower.
Toro 74454 Lawn Tractor - 52in Titan Hd 1500 Series Riding Mower.
Toro 74454TE Lawn Tractor - 132cm Titan Hd 1500 Series Riding Mower.
Toro 74456TE Lawn Tractor - 2000 Series Hdx Rd 122cm Riding Mower.
Toro 74460 Lawn Mower - 48in Titan Hd 2000 Series Riding Mower, 2017
Toro 74461 Lawn Mower - 52in Titan Hd 2000 Series Riding Mower, 2017
Toro 74462 Lawn Mower - 60in Titan Hd 2000 Series Riding Mower, 2017
Toro 74463 Lawn Mower - Titan Hd 2000 Series Riding Mower With 60in Rear-discharge Deck, 2017
Toro 74465 Lawn Tractor - 48in Titan Hd 2000 Series Riding Mower.
Toro 74465TE Lawn Tractor - 122cm Titan Hd 1500 Series Riding Mower.
Toro 74466 Lawn Tractor - 52in Titan Hd 2000 Series Riding Mower.
O-ring-seal
$ 8.68
In Stock
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Stock Status
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.

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