One New Aftermarket Garage Door Opener Drive Gear Compatible with 1984 - Current Models: Liftmaster, Craftsman chain drive and belt drive operators including the following: Chamberlain, Sears, Craftsman , Garage master, Access master, Master Mechanic, Security +, Estate series, Raynor, Formula I, Whisper drive, Power Drive, Billion Code

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

Compatible with these belt drive models:

1280, 1280R, 2580, 2585, 8100, 8100M, 8200, 9200, WD922K, WD912KS, WD822KS

Fits over 170 Craftsman garage door op