The ROP Shop | (2-Pack) Garage Door Opener Drive Gears Compatible w/Chamberlain 2200 4200 6200 7220

• The ROP Shop replacement Garage Door Opener Drive Gear Specs - Bore Size: 1/2". Outside Diameter: 2 3/4". Number of Teeth: 32. Color: White. Refer to images 2 & 3 for more information Includes - (2) Drive Gears. comes as shown in the first image Fits/For 1984-current Liftmaster, Craftsman chain drive and belt drive operators. Also belt drive operators for Chamberlain, Sears Craftsman, Garage Master, Access Master, Master Mechanic, Security +, Estate Series, Raynor, Formula I, Whisper Drive, Wayne Dalton, Power Drive, & Billion Code garage door openers. NOT compatible with openers made before 1984. If your operator runs when you press the button, but the door won't open, this is likely the part that needs replacing. This is the replacement gear only. You must apply a lubricating grease (not included) when installing this gear. Failure to grease, will result in the gear stripping out., Manufacturer: The ROP Shop