The 041A2817 is a basic drive and worm gear replacement kit. This drive gear and worm kit are compatible with most 1/2HP belt and chain drive garage door openers from Liftmaster, Chamberlain, and Sentex that were manufactured after 1993.
- Sears craftsman chamberlain Liftmaster Openers
- Gear diameter: 2 3/4"
- Kit includes: Drive gear, worm gear, replacement bearings, and installation instructions
- Drive gear diameter is 2-3/4 inches with 32 teeth
- Check the manual for model number before ordering to ensure compatibility.