Liftmaster Large Gear Replacement Kit - Part 41A2817
Drive gear replacement kit for part no. 41A2817 for all residental Liftmaster, Sears, Chamberlain chain and belt drive openers manufactured from 1984 to the present. Also used for Wayne Dalton opener models 100 - 320. Replacement gear kit for the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic, Garage Master.
Includes:All 1/3 Hp, 1/2 Hp, 3/4 Hp Residential chain and belt drive garage door openers manufactured from 1984 to the present for these manufacturers:


We've found that replacing the majority of the hinges and installing the rest of the kit does a pretty good job of silencing the door without needing to deal with that bottom roller. If you really feel it needs to be changed, we have a separate process for that, but it's not necessary for most installations.
