Liftmaster 41c4220a Gear and Sprocket Kit Shop By Number_Hinge No.9 Warning: The installation instructions for

Warning: The installation instructions for this product are recommended for individuals who have experience winding torsion springs

Gears are not available for openers manufactured prior to 1984

including wood and non-metal doors

Instructions for FREE MyQ App download

- LiftMaster®

Liftmaster 41c4220a Gear and Sprocket Kit Shop By Number_Hinge No.9 Warning: The installation instructions forThe 41C4220A Gear and Sprocket Assembly is the preferred way to "refurbish" your garage door opener as it quickly replaces all of the common wear parts in the opener drive system. This kit includes all of the 41A2817 Drive Worm Gear kit, and is easier to install because you do not have to disassemble the output shaft assembly the spur gear is already mounted on the new output shaft. The 41C4220A assembly also includes the worm gear, and a new bushing