41A4885-5 Liftmaster Belt Drive Garage Door Opener Gear and Sprocket Assembly
replacement 41A4885-5 belt drive gear and sprocket assembly is for
Liftmaster and Raynor belt drive garage door openers manufactured after
2001. The gear assembly includes drive gear assembly, worm gear, wear
bushings, grease, hardware and instructions for replacement.
You can view or download the 41A4885-5 Instructions on our Support Manuals site