This is a genuine replacement part sourced directly from the manufacturer. The engine pulley is commonly found in Craftsman lawn tractors and riding mowers. This part is made of metal, and is used in conjunction with the belt to transfer power from the engine to the machine. You will require a wrench when replacing this item. The engine pulley is sold as an individual replacement part.
Flat Idler Pulley 539110311
OEM part for: Husqvarna, Poulan, Jonsered
Part Number: 539110311
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Frequently Purchased Together ?
Compatibility
This part will fit the following 257 machines
Husqvarna
Poulan
Jonsered
This item works with the following types of products:
- Lawn Tractor Parts
- Lawn Mower Parts
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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.
Idler arm wore bushing until idler pulley hit frame and stopped turning. Pulley was melted by turning belt and stopped moving machine.
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, Adjustable Wrench
Mover would not move belt had no tension
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Parts Used
The idler pully bearings went out.
Tool Type
Lawn Tractor
Difficulty
Hard
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set
Parts Used
Idler pulley for drive belt broke
Tool Type
Lawn Mower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Socket set, Wrench Set, pry bar, floor jack
Parts Used
Zeroturn mower
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Power Drill, Socket set, Adjustable Wrench, Impact
Idler pulley failed and destroyed the drive belt.
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Battery powered impact wrench
Idler pulley was wore out so I replaced the belt and the pulley. The grease caps would sometimes come off when you bump something so I replaced them.
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
pulley siezed
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set, air gun
Parts Used
Pulley disintegrated.
Tool Type
Lawn Mower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
Idler pulley bearing locked up and the plastic pulley burned in 1/2
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
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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.