If yours is a belt drive you need a kit like this https amzn to 2zqns.
Plastic gears for garage door opener.
Hqrp drive gear 2 pack compatible with liftmaster 1245lmc r 1245r 1250 266 1250lmc 1255 266 1255 2r garage door opener access system coaster by hqrp 8 91 8.
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.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
Residential door opener gear.
Keep your garage door opener up and running using garage door opener gear kits from liftmaster.
This gear kit on amazon.
High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.
If the grease drys up off the gears your gears will wear out.
Another cause for worn opener gears is an improperly balanced garage door.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
It sometimes happens that certain parts for residential garage door openers break or wear out prematurely because they are made in plastic.
For example i found an oem gears repair kit for my linear ld050 garage door opener sold by the manufacturer for less than 15 here this is an amazon affiliated link.
It included every serviceable part i could possibly need to this repair and even had the lubricating grease included.
If so you will need to replace them.
Examine the white plastic gears.
You can know this has happened when you see plastic shavings inside your opener.
Https amzn to 2uwvnkj i m working on a chain drive opener.
91 3 19 shipping.
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Kipa pack 3 drive gear for sears crafsman liftmaster chamberlain garage door openers 1984 up 41a2817 41c4220a 81b0045 drive gear 32 teeth bore size 1 2 durable top quality ubs garage door motor drive gear compatible with chamberlain liftmaster sears openers.
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.
As the chain pulls on the trolley the garage door opens.