LiftMaster 41A2817 Drive & Worm Gear Kit
The LiftMaster 41A2817 is the complete drive and worm gear replacement kit for all LiftMaster, Chamberlain, and Sears chain-drive garage door openers. This kit restores smooth, quiet operation when your gears are stripped or making grinding noises.
Kit Includes:
- Drive gear
- Worm gear
- Grease packet
- Roll pins
- Bushings
Easy DIY Installation
Most homeowners can replace these gears in under an hour with basic tools.
Watch the Step-by-Step Instructional Video:
▶ How to Replace LiftMaster Drive & Worm Gears (Video)
Compatibility
Fits **all** LiftMaster, Chamberlain, and Sears chain-drive garage door openers (1/3 HP and 1/2 HP models).
Note: This is the worm gear & drive gear kit only. It does **not** include the full gear & sprocket assembly (see 41C4220 for the complete kit).
Why Replace Your Gears with the 41A2817 Kit?
- Stops loud grinding or screeching noises
- Restores full speed and power
- Prevents further damage to the motor and chain
- Much cheaper than buying a new opener
- Includes everything needed for the repair
Product Summary
LiftMaster 41A2817 Drive & Worm Gear Kit – replacement gears with grease, roll pins, and bushings for all LiftMaster, Chamberlain, and Sears chain-drive garage door openers. Easy DIY repair with instructional video included.