Drive Gear for Sears Craftsman Liftmaster Chamberlain Garage Door Openers (1984-Current)

This aftermarket replacement garage door opener drive gear is compatible with a wide range of Chamberlain, Sears Craftsman, Garage Master, Access Master, Master Mechanic, Wayne Dalton, Security +, Estate Series, Raynor, Formula I, Whisper Drive, Power Drive, Billion Code and more models from 1984 onwards.
It is suitable for chain drive and belt drive operators and is the ideal replacement part if your operator “runs” when you press the button, but the door won’t open.
This drive gear has a bore size of 1/2" and an outside diameter of 2-3/4", with 32 teeth. It is important to note that you will need to provide gear grease, as failure to do so will result in the gear stripping out again. This drive gear is compatible with LiftMaster, Chamberlain CHAIN DRIVE garage door opener models 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300WD, 110WD, 210WD, 310WD, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1246R, 1255R, 1256R, 985, 2565, 2575, 2595, 140, 150, 240, 350, 450, 550, 700WHC, 701WHC, 1000, 2000, 4000, 4001, 5000, 710WHC, 711WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, 7420, PD752, PD758S, 1280, 1280R, 2580, 2585, 8100, 8100M, 8200, 9200, WD922K, WD912KS, WD822KS, and over 170 Craftsman garage door openers, including 13918315SR, 13918415SR, 13918616SR, 13918847, 13918857, 13918869, 13918880, 13953100, 139531006, 13953110, 13953200, 139532006, 13953210, 13953225SRT, 13953225SRT1, 13953300, 139533006, 13953310, 13953315SR, 13953325
NOT ALL MODELS LISTED.