LiftMaster 144B42 28T Pulley

LiftMaster's 144B42 from Action Industries is a 28T (28-tooth) residential garage door opener replacement belt drive pulley for screw drive operators. The 144B42 is 3/4 inches with a 1/2 inch bore and a 2 inch outside diameter. This replacement pulley is used to pull the LiftMaster/Chamberlain 20B17 Mini Drive Belt and works with the 144B1 Pulley.

Features:

• LiftMaster 144B42 28T (28-Tooth) Replacement Belt Drive Pulley

• For residential screw drive operators

• Compatible models: 2110, 2220, 3110 and 3220

• Dimensions:

• Outside diameter: 2 inches

• Inside diameter: 1/2 inch

• Height: 3/4 inch