Chamberlain Garage Door Opener Replacement Gear And Sprocket

Compatible with chamberlain models pd752 pd758s pd752d pd758d all models may not be listed.

Chamberlain garage door opener replacement gear and sprocket.

In most chamberlain liftmaster and sears openers a motor turns the worm gear and drive shaft inside the opener which rotates the sprocket attached to the top of the drive shaft. This turns the chain and moves the door. This was a craftsman model 139 53976srt. Includes all fasteners as pictured and installation instructions.

Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. Check the manual or replacement parts diagram for specific part information before. 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.

This gear and sprocket assembly is compatible with various chain drive garage door openers. 041c4220a is a complete chain drive gear and sprocket replacement kit. The most common issue that occurs is when the ridges in the gear wear out because the gear lubrication has evaporated.