Easy
30-60 minutes
This is a genuine manufacturer-sourced component which is specially designed for Craftsman Lawn Tractors. The flat idler pulley applies tension to the blade belt. The most common reason for replacing the flat idler pulley is when it breaks, causing the blades to not cut. This part is sold individually. The tool that you will need to replace the flat idler pulley is a 9/16 inch socket.
Flat Idler Pulley 597025001
OEM part for: Husqvarna, Ryobi
Part Number: 597025001
$27.67
In Stock
Ships within 1 business day 
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Compatibility
This Flat Idler Pulley will fit the following 3566 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 3566 matching models.
3566 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Craftsman
- Husqvarna
- Jonsered
- Poulan
- Ryobi
- Weed Eater
This item works with the following types of products:
- Lawn Mower
- Lawn Tractor
This part replaces obsolete part #: 155191, 5321314-94, 532155191, 173438, 131494, 532173438, 532131494
Customer Part Reviews ?
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Parts were easy to find on your website, cost was reasonable, easy to order
The right parts arrived on time, mower fixed and works great.
Guest -
September 20, 2022
Verified Purchase
Idler Pulley for my Craftsman Lawn Tractor
The pulley, belt and hex bolt I ordered were exactly right. Although we had a little bit of a hiccup on delivery, (I'm blaming it on the P.O.!) As soon as my parts were back in stock, my order was back on the road again. In the interim, they kept me up-dated as to the progress of my order. I appreciate you guys!
Guest -
January 22, 2022
Verified Purchase
Repairing
Received the Idler pulley in a short time and had my mower going in just a few minutes
Guest -
June 7, 2021
Verified Purchase
Good quality.
Quick delivery.
Guest -
April 20, 2021
Verified Purchase
Exactly as Advertised!
I bought 2 of these pulleys. Both were exactly as advertised, easy to install, work great, and shipping was fast!!!
Guest -
January 12, 2021
Verified Purchase
Quality part
Repair was easy and the delivery was prompt.
Guest -
August 29, 2020
Verified Purchase
pulley
Ordered this idler pulley thru replacement parts and received it quick
Guest -
August 19, 2020
Verified Purchase
Quick replacement
Great part and great price. Was just what I needed for my repair.
Tim -
June 3, 2020
Verified Purchase
Ordered and done
The part was exactly what I needed, plus quick delivery.
Guest -
April 9, 2020
Verified Purchase
Riding lawnmower parts
Perfect fit good quality
Gabriel -
March 26, 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.
Bad pulley,
David - June 5, 2016
👍 3 of 5 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set
Removed the deck from the mower, Removed the nut from the bolt hold the bad idler pulley. Remove the bad pulley and bolt. Installed the new bolt thru the idler arm bracket and in the new idler pulley, then tightened the nut. Then installed the deck back on the mower.
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Engagin the mower blades caused smoke to come from under the mower.
Robert - June 19, 2016
👍 2 of 3 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Medium
Time
1-2 hours
Tools Used
Pliers, Socket set
Removed the mower deck from the machine. Problem had to be caused by something other than the belt. Visual inspection of pulleys revealed one had missing bearings and sat lopsided on the pulley shaft. Ordered second flat pulley just in case. Reinstalled pulleys, deck and new belt. Mower worked fine. Followed deck removal procedure in owners manual.
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Broken pulley shredded belt
Mike - August 20, 2020
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set
Remove mower deck from tractor
Remove shredded belt and clean mower deck
Remove and replace broken pulley
Install new tension spring
Install new belt
Reinstall mower deck on tractor
DONE
Remove shredded belt and clean mower deck
Remove and replace broken pulley
Install new tension spring
Install new belt
Reinstall mower deck on tractor
DONE
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Spindle and Idlers on mower deck needed replacement.
Michael - August 12, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Impact wrench
Remove old spindle and idlers with wrenches and socket set. Screws that secure spindle are self tapping, so take your time and make sure the new bolts cut a good thread in the spindle assembly. Secure the spindle with the four bolts, reattach the blade and tighten the bolt holding the blade to the spindle ( I used an impact wrench on the lowest torque setting). Reattach the new idlers proper side up (best to use your phone to take a picture of the whole deck before you disassemble anything) and any assembly you are not familiar with to make sure you get it right. Put the new belt on, reattach the deck to the mower and get to mowing grass! Online pictures of older mowers showing the entire assembly are hard to find. Take your time, take pictures, and do one thing at a time, don't tear the whole thing apart all at once. Use new 5/32 cotter pins (about 6-8) to finish it up right. Good Luck Mike
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IDLER PULLEY BEARING WAS WORN OUT.
Mike - August 10, 2020
Tool Type
Lawn Tractor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
UNBOLTED THE IDLER PULLEYS AND BOLTED IN THE NEW PARTS. EXACT MATCH FOR WHAT WAS REMOVED! MACHINE WORKS LIKE NEW AGAIN AND THE REPAIR MADE ME CLEAN UP THE MOWER DECK WHICH MAKES THE SAFETY FEATURES WORK AGAIN, LIKE THEY WERE DESIGNED. ADVICE- TAKE A PHOTO OF THE ORIGINAL ASSEMBLY BEFORE REMOVING ALL THESE PIECES, IT MAKES IT MUCH EASIER FOR AN OLDER BRAIN TO REMEMBER HOW TO PUT IT BACK TOGETHER.
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Bad bearing
Derek - June 20, 2020
Tool Type
Lawn Tractor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Remove mover deck from tractor
Remove idler pulley
Install new idler pulley
Reinstall mover deck to tractor
Remove idler pulley
Install new idler pulley
Reinstall mover deck to tractor
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The deck belt idlers were worn out. I mower blade bolt came loose and wore out the mounting surface of the blade spindle.
Tim - June 3, 2020
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Pliers, Socket set, Wrench Set, cordless impact
I removed the deck from the mower. Removed the worn idler pulleys from the deck. reinstalled the new idlers. I then removed the blade spindle from the mower deck and replaced it with the new one. I reinstalled the mower deck under the mower. I cranked the mower and engaged the blades and no more noise.
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Bearing failed, old age and lots of use. Rebuilding fir the next 25 years of use needed to replace all parts that are not in perfect condition.
Richard - January 19, 2020
Tool Type
Lawn Mower
Difficulty
Medium
Time
1-2 hours
Tools Used
Pliers, Socket set, Wrench Set, Nutdriver
Removed mower deck and completely rebuilt.
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Idler Pulley Bearings Burned Out - Springs Old And Faulty
Robert - January 21, 2019
👍 1 of 2 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Socket set
1. Removed mower deck
2. Cleaned deck and painted over rust
3. Removed and replaced pulley
4. Removed and replaced faulty belt tension springs (one spring was the wrong size)
5. Put the deck back on the lawn tractor
2. Cleaned deck and painted over rust
3. Removed and replaced pulley
4. Removed and replaced faulty belt tension springs (one spring was the wrong size)
5. Put the deck back on the lawn tractor
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Bad bearings caused belt to break
Thomas - April 18, 2018
👍 1 of 2 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
More than 2 hours
Tools Used
Pliers, Socket set, Wrench Set, Nutdriver
Removed deck and cleaned
Removed original idlers and mandrels
Cleaned mounting surfaces
Installed new idlers and mandrels
Installed new v belt
Re-installed deck
Connected v belt
Adjusted deck
Test drive worked great
Removed original idlers and mandrels
Cleaned mounting surfaces
Installed new idlers and mandrels
Installed new v belt
Re-installed deck
Connected v belt
Adjusted deck
Test drive worked great
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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.
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.
