Replacement Idler Belt Pulley 144C54
144C54 is an Idler Belt Pulley Replacement Part. For use with various LiftMaster® and Chamberlain® Belt Drive Garage Door Openers. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Orange Spring Torsion – 0.192 in. x 1.75 in. D x 26 in. L – Left (Black Cone)
LiftMaster – Receiver Logic Board 2.0 045ACTMC
White Spring Torsion - 0.218 Wire x 2 in. D x 26 in. L - Right (Red Cone)
Red Spring Torsion - 0.225 Wire x 2 in. D x 27 in. L - Left (Black Cone)
Replacement Square Rail Idler Pulley for Chain Drive 144C56 

