This is a genuine OEM sourced part which is specially designed for Chamberlain garage door openers. It is an identical replacement for a missing or a faulty chain idler pulley that was installed on a new unit. The purpose of this component is to apply tension on the chain that opens the door. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this part. This high-quality item is made of durable plastic and is sold individually. To perform this repair you will need a wrench set, a screwdriver, and pliers to take apart and reassemble the housing.
Chain Idler Pulley K144C0056
OEM part for: Chamberlain, Craftsman
Part Number: K144C0056
$5.74
In Stock
Ships within 1 business day 
Frequently Purchased Together ?
Compatibility
This Chain Idler Pulley will fit the following 62 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Chamberlain
Craftsman
Show More Compatible ModelsThis item works with the following types of products:
This part replaces obsolete part #: 144C56
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good as new
arrived quick. needs to be made of steel.
Daryl -
July 11, 2023
Verified Purchase
Service at it's finest
Easy, accurate, fast: just the way it should be.
Guest -
February 27, 2023
Verified Purchase
Overhead door repair
The part was just what I needed. Back to pushing the button to open the door. Very satisfied.
Clair -
February 13, 2023
Verified Purchase
As advertised, easy 5 minute replacement
Thanks for a great product at a fair price
Guest -
February 10, 2022
Verified Purchase
Worked perfect!
Took a day longer that I expected for the extra shipping charge, BUT it worked perfectly. Garage Door is back opening and closing like it should. Grateful for a place to get replacement parts as most stores do not have any on hand any more.
Guest -
July 20, 2021
Verified Purchase
Fit perfectly, Easy replacement
No problems with it at all. Easy peasy.
Guest -
July 15, 2021
Verified Purchase
fast
usps didn't uptake tracking or even receipt of the package...no fault of yours.
Thanks
Guest -
May 31, 2021
Verified Purchase
Part fit perfectly
Arrived as expected. Garage door working as should again.
Guest -
May 11, 2021
Verified Purchase
Pulley for Craftsman chain automatic lift
I purchased from eReplacement.com a pulley for my new Craftsman chain automatic lift. The pulley was delivered as scheduled and was installed without any operational problems.
Guest -
April 23, 2021
Verified Purchase
Just what I needed
Got just the part I needed for my garage door opener and it arrive before promised. You can’t ask for more.
Chuck -
March 22, 2021
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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Does this fit my product?Questions & Answers for Chain Idler Pulley
Will this part replace the 2 & 1/2 inch idler pulley?
James
for model number Craftsman garage door idler pulley
asked on 2022-02-10
Hello James, thank you for your question. We see only that it is compatible with the 1/2 ". For more specialized assistance or to speak with someone about this, we would suggest calling the manufacturer. We hope this helps!
eReplacementParts Team February 10, 2022
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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.
