HQRP Drive Gear 2-Pack for LiftMaster 1245LMC-R 1245R 1250-266 1250LMC 1255-266 1255-2R Garage Door Opener Access System Coaster HQRP&reg; Replacement Two Drive Gears plus HQRP&reg; Coaster; Compatible with Chamberlain openers manufactured 1984-current; Compatible with Liftmster Sears Raynore openers manufactured 1984-current; 100 Days Warranty!