Made of plastic the worm and drive gears strip out to protect the motor from damage if the door suddenly hits an object in its travel path.
Garage door opener worm.
Chamberlain 1 25 hp myq secure view and ultra bright smart belt drive garage door opener with myq and wi fi compatibility and battery back up and led light and camera s item 1630354 model b6765.
Drive and worm gear kit 41c4220a is an original equipment manufacturer oem part that fits most craftsman 139 series chain drive garage door openers manufactured after 1993 drive and worm gear kit 41a2817 contains the gears and related parts that spin the sprocket to drive the chain and move the door see more product details.
1 drive gear 1 worm gear 2 tension pins 1 grease packet.
This drive gear and worm kit is compatible with most 1 2hp belt and chain drive garage door openers manufactured after 1993.
041a2817 is a basic drive and worm gear replacement kit.
This complete gear kit includes.
Genie 2 hpc.
Chamberlain and craftsman garage door openers models.
1 helical gear 1 worm gear 1 grease wear bushings and hardware needed to replace the gears.
Replace the garage door opener drive and worm gears the worm gear attaches to the motor shaft and rotates the drive gear to spin the sprocket which drives the chain to move the door.
2 3 4 drive gear bore size.
1 2 drive gear number of teeth.