As a result of the worn gear the sprocket cannot turn the chain and the door will not open nor close.
Liftmaster garage door sprocket replacement.
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From logic boards to chain kits to safety reversing sensors find the right liftmaster replacement part to help you with any garage door opener repair project.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
Liftmaster garage door openers 25a18 sprocket coupling visit the liftmaster store.
This tutorial demonstrates how to replace the gear and sprocket assembly on all chamberlain liftmaster and sears openers.
High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.
Explore more replacement parts below.
The most common issue that occurs is when the ridges in the gear wear out because the gear lubrication has evaporated.
All of our garage door opener gear kits include helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the dual speed sprocket and gears.
Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the belt drive gears.
This was a craftsman model 139 53976srt.
It was a perfect replacement and the garage door is working.
For use with various liftmaster and chamberlain ac belt drive garage door openers.
It wasn t listed for the same model but after looking online it seems that most garage door openers made after 1984 use the same sprocket assembly.
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Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.
This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.
041a4885 2 is a gear and sprocket replacement kit.
The bag said it was an oem piece.