Description:

Compatible with LiftMaster Chamberlain garage door opener belt drive models 1270, 1280, 1280R, 2280, 2580, 2585, 8100, 8200, 9200, WD822K, WD922K, WD912K, WD822KS, WD912KS (all models may not be listed). NOT compatible with dual sprocket units. Features: Compatible with LiftMaster Chamberlain garage door opener belt drive models 1270, 1280, 1280R, 2280, 2580, 2585, 8100, 8200, 9200, WD822K, WD922K, WD912K, WD822KS, WD912KS (all models may not be listed). NOT compatible with dual sprocket units.