This is an RPM Sensor Replacement Kit. This RPM Sensor features a five bladed photo interrupter. For use with various LiftMaster® and Chamberlain® Garage Door Openers; manufactured after 1995. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.
Also known as:
1A4903, 41C3005, K75-16426, 41B3000, 41C4398A, 41C4398, 41C4398-1