I ordered 02 41c4220a gear amp.
Liftmaster craftsman garage door opener shaft sprocket part 41a2817 41c4220a.
41c4220a spindle shaft with drive sprocket grease not included for 1 2 hp and 1 3 hp chain drive liftmaster chamberlain sears craftsman garage door openers works with 41a2817 replacement kit for maximum performance the entire door assembly must be properly balanced adjusted and lubricated for smooth operation.
Sprocket assembly aka 41a2827 to repair my chamberlain model 2245c garage door opener.
Item 6 41a2817 gb garage opener kit works w chamberlain craftsman liftmaster 41c4220a 6 41a2817 gb garage opener kit works w chamberlain craftsman liftmaster 41c4220a see details was.
The price was reasonable and it came quickly.
Chamberlain craftsman 41c4220a compatible gear and sprocket assembly the 41c4220a gear and sprocket assembly is the preferred way to refurbish your garage door opener as it quickly replaces all of the common wear parts in the opener drive system.