LiftMaster 041A8550 LED Light Hardware Kit (RJO) la500dcs and a second set of

and a second set of contacts that may be used for loop fault

A separate limit switch input for each motor

Pulse/Presence: Allows the relay output to send either a pulse output or have a constant presence

Bearing for upper cylinder pin

Upper replacement arm for 18 ft

LiftMaster 041A8550 LED Light Hardware Kit (RJO) la500dcs and a second set ofLiftMaster 041A8550 LED Light Hardware Kit (RJO) The LiftMaster 041A8550 is a LED Light Hardware Replacement Kit (RJO). For use with various LiftMaster Wall Mount Garage Door Openers. Check the manual or parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.