Compatible with LiftMaster Chamberlain garage door opener chain drive models 1240, 1245, 1250, 1255, 1260, 1260LK, 1245LK, 1240R, 1245R, 1255R, 1265, 2245, 2255, 2265, 2565, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210,
- Compatible with LiftMaster Estate series model 2265 (all models may not be listed).
- Compatible with LiftMaster Chamberlain garage door opener chain drive models 1240, 1245, 1250, 1255, 1260, 1260LK, 1245LK, 1240R, 1245R, 1255R, 1265, 2245, 2255, 2265, 2565, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210, PD610, PD612K, 7420 (all models may not be listed).
- NOT compatible with dual sprocket units.
- Compatible with LiftMaster Estate series model 2265 (all models may not be listed).
- Compatible with LiftMaster Chamberlain garage door opener chain drive models 1240, 1245, 1250, 1255, 1260, 1260LK, 1245LK, 1240R, 1245R, 1255R, 1265, 2245, 2255, 2265, 2565, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210, PD610, PD612K, 7420 (all models may not be listed).
- NOT compatible with dual sprocket units.
