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This part replaces the following legacy part #'s : 144B0041, 144B41
144B0041M is a replacement Motor Pulley (1-1/2"OD, 1/2"B). For use with various LiftMaster® Screw Drive Garage Door Openers. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.
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