This is a Square Rail Idler Pulley replacement part. For use with various LiftMaster® Chain Drive Garage Door Openers that use a square rail. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.
Also known as:
144C56, 144C0056, 062316, 114C56
Chamberlain 144C56 Idler Pulley (Square Rail) for Garage Operators Replacements. Liftmaster & Chamberlain Replacement Garage Door Opener Parts.
Idler Pulley Belt Square Rail Fit for Chamberlain Garage Door Opener 144C56
Returns & Exchanges All sales are generally final. However, we understand that mistakes happen! If you accidentally order the wrong part, we are happy to accept a return for an exchange or refund, provided the item is in its original condition.
Please note that in these instances, the customer is responsible for all return shipping costs. To start a return, please contact us within 7 days of delivery.
We aim to get your parts on the road as quickly as possible!
Processing Time: All orders are typically processed and shipped within [1–2] business days.
Shipping Methods: We offer standard ground and expedited shipping via [Carrier Name, e.g., USPS, UPS, or FedEx].
Delivery Estimates: Standard shipping usually arrives within [3–5] business days.
Tracking: Once your order is on its way, you’ll receive an email with a tracking link so you can follow its progress.
Shipping costs are calculated at checkout based on the weight and destination of your order.

