Medium
30-60 minutes
This is an authentic OEM component from Ryobi. The bolt (3/8-16 x 1-1/2 gr. 5) is constructed of heavy-duty metal, and is made for many riding lawn tractor engines. The bolt is often used to secure the bellcrank assembly to the clutch link. This item is sold individually. A wrench is required for the proper installation.
Bolt 3/8-16 X 1-1/2 Gr. 5 596136101
OEM part for: Husqvarna, Ryobi
Part Number: 596136101
$3.99
In Stock
Ships within 1 business day 
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Compatibility
This Bolt 3/8-16 X 1-1/2 Gr. 5 will fit the following 4624 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Lawn Tractor Parts
- Lawn Mower Parts
This part replaces obsolete part #: 8721106-12, 872110612, 72110612
Customer Part Reviews ?
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They answer the phone
The person that answered the phone was very helpful and sent me the correct parts quickly
Guest -
October 12, 2023
Verified Purchase
Easy to replace
Arrived quickly
Guest -
May 1, 2022
Verified Purchase
Perfect fit
The bolt fit perfect for the pulley I ordered. I had it installed in a couple of minutes and was cutting grass soon there after.
Guest -
June 18, 2021
Verified Purchase
mower deck pulley
Parts are just like I would expect. Thank You.
Guest -
June 28, 2022
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.
Lawn Tractor Pulley broke
Mark - March 15, 2020
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Pliers, Socket set, Wrench Set, Adjustable Wrench
1. Take old Pulley and Bolt off. 2. Replace new Bolt and Pulley.
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Stationary idler pulley bearing failed (melted) and mower deck drive belt came off.
Ralph - June 24, 2018
Tool Type
Lawn Mower
Difficulty
Hard
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Adjustable Wrench
Parts Used
- Washer, 13/32 X 1 X 1/2.11guar - 596135501
- Bolt - 596136301
- Flat Idler Pulley - 532194327
- V-groove Idler Pulley - 532194326
- Spacer Retainer - 532194321
- Belt Drive Deck - 593773401
- Washer Hardened - 532178515
- Pulley Idler - 532196106
- Hex Flange Locknut - 532409149
- Bolt - 596435101
- Bolt 3/8-16 X 1-1/2 Gr. 5 - 596136101
- Pulley - 532177968
- Stationary Idler Pulley - 532196104
1. Separated mower deck from lawn tractor and cleaned both units thoroughly.
2. Removed and replaced tractor mounted idler pulleys, since bearings were noisy.
3. Disassembled mower deck - opted to overhaul blade tower supports (3) to clean and renew lubrication. RECOMMEND REPLACING THESE PARTS AS A UNIT, instead of overhaul.
4. Bearing failure had caused hole in deck-mounted pivot support bracket for belt tensioner to become elongated - opted to do nothing at this time.
5. Replacement pulley on pivot support was not sized to accept 7/16" dia bolt!!! Hardened spacer washer hole was too small as well. Re purposed another bolt from the ordered parts, and added washers as necessary to allow pulley to track properly without binding against the tensioner arm.
6. Removed and replaced other pulleys and hardware (these replacement parts were identical to the removed ones).
7. Installed new belt as per diagram on belt slip cover.
8. Reinstalled mower deck underneath the lawn tractor.
Works great!
2. Removed and replaced tractor mounted idler pulleys, since bearings were noisy.
3. Disassembled mower deck - opted to overhaul blade tower supports (3) to clean and renew lubrication. RECOMMEND REPLACING THESE PARTS AS A UNIT, instead of overhaul.
4. Bearing failure had caused hole in deck-mounted pivot support bracket for belt tensioner to become elongated - opted to do nothing at this time.
5. Replacement pulley on pivot support was not sized to accept 7/16" dia bolt!!! Hardened spacer washer hole was too small as well. Re purposed another bolt from the ordered parts, and added washers as necessary to allow pulley to track properly without binding against the tensioner arm.
6. Removed and replaced other pulleys and hardware (these replacement parts were identical to the removed ones).
7. Installed new belt as per diagram on belt slip cover.
8. Reinstalled mower deck underneath the lawn tractor.
Works great!
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Deck pulley had enough and retired
Stan - April 30, 2018
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Remove the deck and deck belt for rhe blades
Remove the swing arm(the one for the pulley replace
Replace the old bolt and replace the swing arm and tighten
Install the new pulley
Replace the deck belt
Replace the deck
Remove the swing arm(the one for the pulley replace
Replace the old bolt and replace the swing arm and tighten
Install the new pulley
Replace the deck belt
Replace the deck
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Our 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.
