Compatible with Chamberlain, Sears, Craftsman and LiftMaster 1/3 and 1/2 HP chain drive models
Engineered in the USA
'- Direct Replacement Drive and Worm Gear Set compatible with chain drive LiftMaster, Chamberlain Brand Sears Craftsman, Master Mechanic and Wayne Dalton garage door openers 1984 thru current - Compatible with LiftMaster Chamberlain garage door opener models 3255, 1040, 1045,1050, 1055, 1060, 100WD, 200WD, 300 WD, 1140, 1145, 1150, 1155, 1160, 110WD, 210WD, 310WD, 1240, 1245, , 1250, 1255, 1260, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1255R, 1265, 985, 2265, 2565, 2245, 2255, 140, 150, 240, 350, 450, 550, 700WHC, 1000, 2000, 4000, 5000, 710WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, PD210, PD610, PD612K, 7420 all models may not be listed. - Not for opener models 2575, 2595, PD752, PD758S - Repair gear sets for openers made before 1984 are no longer available. - This is a generic replacement gear kit manufactured to match the exact specs of the Liftmaster gear kit for direct replacement. These kits have been sold and tested in the field for years to ensure quality. *safety is of our upmost concern. please be advised that Priority Supply Co. is not responsible for any injuries involved with the installation or use of their products. we advise any repair or maintenance to a garage door opener be done by a trained garage door professional.*