Garage Door Gear And Sprocket Assembly

If the gear and sprocket assembly breaks the motor runs but the door won t move.

Garage door gear and sprocket assembly.

Liftmaster chamberlain craftsman garage door opener comp gear kit for 41a5021. Chamberlain 41c4220a garage door opener gear and sprocket assembly genuine original equipment manufacturer oem part. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Of course i didn t so i had to drop the whole thing down onto a cardboard box i placed on the top of a step ladder.

Sprocket assembly aka 41a2827 to repair my chamberlain model 2245c garage door opener. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part. The bag said it was an oem piece. It fit perfectly and the garage door now works like it should.

This was a craftsman model 139 53976srt. At the end you need to adjust your door travel limits via the two screws on the side. The kit was easy to locate on a parts list on your website. This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.

Chamberlain 41a2817 garage door opener drive and worm gear kit genuine original equipment manufacturer oem part. 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 7 out of 5 stars 37 9 75. The gear assembly includes drive gear assembly worm gear wear bushings grease hardware and instructions for replacement. 041c4220a is a complete chain drive gear and sprocket replacement kit.

The price was reasonable and it came quickly. This gear and sprocket assembly is compatible with various chain drive garage door openers. Drive gear worm gear helical gear w retainer spring washer thrust washer retaining ring bearing plate roll pins and grease. 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.

Compatible with chamberlain models pd752 pd758s pd752d pd758d all models may not be listed. If you have a lot of space above the unit no problem. The gear and shaft assembly exits the chassis through the top. I ordered 02 41c4220a gear amp.

Includes all fasteners as pictured and insta. This is a video on how to change the gear sprockets in a craftsman garage door opener. The replacement 41c4220a chain drive gear and sprocket assembly is for liftmaster and raynor chain drive garage door openers manufactured after 1991.