144c56 Idler Pulley for Garage Door Accessorie，2 piece

Key features

• Compatible: Liftmaster/Chamberlain/Sears garage door openers with square rail system.
• 144C56 square rail idler pulley is responsible for guiding the chain or belt that raises and lowers the garage door,plays a vital role in the smooth and efficient operation of the garage door remote receiver.
• 144C56 Chain Cable Idler Pulley is made of high quality material with a smooth surface that minimizes friction and allows the chain or belt to move smoothly and quietly.
• Turn off the power before installing this part. Easily install the idler pulley by attaching it to the square track of the garage door opener.

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