The LiftMaster 144B42 residential garage door opener drive belt pulley is a 28T (28-tooth) replacement pulley for LiftMaster screw drive operators. This LiftMaster 144B42 28T pulley from Garage Door Supply Co. is compatible with LiftMaster screw drive garage door operator models 2110, 2220, 3110 and 3220. The pulley is 3/4 in. high with a 1/2 in. bore and the outside diameter is 2 in.Product Highlights:
