Easy
15-30 minutes
It is a genuine OEM component which is designed for Troy-Bilt walk-behind lawn mowers. This is the gear that engages the drive wheel. Unfortunately, over time it may wear out or get damaged eventually requiring a replacement to ensure your equipment operates properly. One durable metal spur gear is included. To ensure the correct repair procedure, refer to the appropriate diagrams of your model. You will need a wrench set to remove and reattach the drive wheel when replacing this spur gear.
Gear-spur 11t Rh 917-04539B
OEM part for: Troy-Bilt, MTD
Part Number: 917-04539B
$16.38
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 17 machines
Troy-Bilt
12AI83K2266 (2008) Lawn Mower View Diagrams & Manuals
12AJ836E011 (2008) Lawn Mower View Diagrams & Manuals
12AI836M011 (2008) Lawn Mower View Diagrams & Manuals
12AJ836G211 (2008) Lawn Mower View Diagrams & Manuals
12AI836N211 (2008) Lawn Mower View Diagrams & Manuals
12AI839F011 (2009) Lawn Mower View Diagrams & Manuals
12AI839G211 (2009) Lawn Mower View Diagrams & Manuals
12AI83K1066 (2008) Lawn Mower View Diagrams & Manuals
12AI832Q711 (2010) Self-Propelled Walk-Behind Mower View Diagrams & Manuals
12AI832Q766 (2010) Self-Propelled Walk-Behind Mower View Diagrams & Manuals
12A-1839F011 Walk-Behind Lawn Mower View Diagrams & Manuals
12AI83K1066 (2009) Lawn Mower View Diagrams & Manuals
12AI83K2266 (2009) Lawn Mower View Diagrams & Manuals
MTD
12AJ836L597 (2008) Lawn Mower View Diagrams & Manuals
12AJ836L597 (2009) Lawn Mower View Diagrams & Manuals
12AI832Q724 (2008) Lawn Mower View Diagrams & Manuals
12AI832Q724 (2009) Lawn Mower View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Lawn Mower Parts
This part replaces obsolete part #: 917-04539, 717-04539
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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.
Spur gears were worn
Harry - October 20, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set, Snap ring pliers
Parts Used
Removed wheels removed old gears lubed and installed new gears.
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The drive gear teeth were worn causing erratic speed and grinding.
Thomas - July 6, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Nutdriver
Parts Used
Removed the wheel and dust cover. Pulled off the gear and replaced with the new gear. Put the wheel back on.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
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