LIFTMASTER Garage Door Openers 41A2780 Chain Pulley Bracket Chain pulley bracket for LiftMaster and Chamberlain Brand garage door openers 1984 thru 1989. Compatible with LiftMaster garage door opener Estate Series chain drivemodel 2595, 3595 (all models may not be listed). Compatible with LiftMaster garage door opener residential models 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300 WD, ATS and 2595 models.