Description:

The Drive and Worm Gear Kit with Bushing, Fittings, Pins and Lubricant replaces 41A2817 to restore the functionality of chain drive garage door openers.

• Compatibility Compatible with most LiftMaster, Chamberlain, Sears Craftsman and Master Mechanic chain drive garage door openers manufactured after 1984. Also compatible with Wayne Dalton models 100 to 320.
• Drive Gear Specs Bore size inner diameter 1/2 inch, outside diameter 2 3/4 inches, and 32 teeth.
• Worm Gear Specs Length 2 1/8 inches, diameter 1 1/8 inches, and shaft hole 1/2 inch.
• Kit Components Includes 1 drive gear, 1 worm gear, 1 bushing, 2 roll pins, 1 grease lubricant, and fittings.
• Function Provides the hardware and gears required to spin the sprocket that drives the chain and moves the door.
• Dimensions 9 inches length, 4 inches width, and 1.75 inches height.
• Color White.