LiftMaster 041A3261-1 Dual Speed Gear and Sprocket Kit Magnetic limit switch for down

Magnetic limit switch for down direction

rail extension

and square rail assemblies

if the spring is not matched correctly to the door

LiftMaster 041A3261-1 Dual Speed Gear and Sprocket Kit Magnetic limit switch for downDescription Also known as 41C4206, 41C4206A, 41A3261, 41A3261 1, 41A4206A, 41A4221, 062220, 53736 041A3261 1 is a Dual Speed Gear and Sprocket Replacement Kit. For use with various LiftMaster and Chamberlain Chain Drive Garage Door Openers; featuring dual sprockets. The unit will feature a red orange learn button. Complete kit includes: Helical gear and top hat assembly, worm gear, wear bushings, grease, and hardware needed to replace the dual speed