Easy
15-30 minutes
This is an original replacement part manufactured for use with riding lawnmowers. The shoulder bolt is commonly used to secure the anti-scalp roller to the mower's deck. This shoulder bolt is available as an individual replacement part, please see model diagram for associative parts.
Bolt-shoulder 112-3977
OEM part for: Toro
Part Number: 112-3977
$12.44
In Stock
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Compatibility
This Bolt-shoulder will fit the following 320 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 320 matching models.
320 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Lawn Boy
- Toro
This item works with the following types of products:
- Lawn Mower
- Lawn Tractor
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Easy Repair!
Installed easily, an exact replacement for the broken part.
Guest -
April 30, 2021
Verified Purchase
Toro wheel bolt
Good toro zero turn mower parts. Good price and fast service. I would highly recommend if you need any part.
Don M
Texas
Guest -
March 23, 2020
Verified Purchase
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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.
deck well shoulder bolt broke and I damaged the deck wheel
Ronald - June 26, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, Wrench Set
1. raised unit off the ground with electric ceiling mounted lift.
2. removed old belt and installed new belts
3. removed new parts from package.
4. Applied grease to shoulder bolt,
5. Put the new shoulder through deck wheel, installed nut and tighten.
2. removed old belt and installed new belts
3. removed new parts from package.
4. Applied grease to shoulder bolt,
5. Put the new shoulder through deck wheel, installed nut and tighten.
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idler pulley threw out the bearings, shoulder bolt on the anti-scalp wheel had broke and just re[lplaced it.
Nelson - July 13, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set
took bolt out of deck and put new pulley on. replaced broken shoulder bolt with wheel and tightened them both down and was finished in less than 1/2 hour.
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Anti scalp rollers over 10 years old and worn.
Mark - October 15, 2018
👍 0 of 1 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Removed bolt and nut from rollers with a box and socket wrench. 5/8"
Installed new rollers and carrier bolts and nuts.
I applied liquid wrench on bolts prior to removal of the old rollers and let it soak in for a few minutes before wrenching.
Installed new rollers and carrier bolts and nuts.
I applied liquid wrench on bolts prior to removal of the old rollers and let it soak in for a few minutes before wrenching.
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Thanks for voting and helping fellow customers!
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Learn MoreOur product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
