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MOTOR PULLEY, 1-1/2"OD, 1/2"B
144B0041M is a Motor Pulley (1-1/2"OD/1/2"B) Replacement Kit. For use with various LiftMaster® and Chamberlain® Screw Drive Garage Door Openers. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.