Compatible with LiftMaster and Chamberlain Brand garage door openers 1984 thru current.Compatible with LiftMaster Chamberlain chain drive garage door opener models 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300 WD, 1140, 1145, 1146, 1150, 1155, 1156, 1160, 110WD210WD, 310WD, 1240, 1245, 1246, 1250, 1255, 1256, 1260, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1246R, 1255R, 1256R, 1265, 985, 2265, 2565, 2245,2255, 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, PD210, PD610, PD612K, 7420, PD752, PD758S all models may not be listed.
Compatible with LiftMaster and Chamberlain Brand garage door openers 1984 thru current. If square rail assembly see part number 41C5141-1. Compatible with LiftMaster Chamberlain chain drive garage door opener models 1040, 1045, 1046, 1050, 1055, 1056,
Brand: LiftMaster, Model: CECOMINOD064802