SKU: LM-41A3489
Liftmaster Trolley Carriage Assembly - part no. 41A3489
This carriage traveler assembly is compatible with Liftmaster, Chamberlain, Master Mechanic, Sears Craftsman chain drive operators manufactured from 1984 to present.

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.
