The price was reasonable and it came quickly.
Liftmaster craftsman garage door opener shaft sprocket part 41a2817 41c4220a.
It fit perfectly and the garage door now works like it should.
Sprocket assembly aka 41a2827 to repair my chamberlain model 2245c garage door opener.
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 4 6 out of 5 stars 38 9 75.
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.
I ordered 02 41c4220a gear amp.