Chamberlain’s response to COVID-19 click here to learn more
RPM SENSOR KIT
041C4398A is a RPM Sensor Replacement Kit. For use with various LiftMaster® and Chamberlain® Garage Door openers featuring a 5-bladed photo interrupter sensor; manufactured after 1997 only. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.