LiftMaster 041A8550 LED Light Hardware Kit (RJO) la500dcs Upper replacement arm for 18

Upper replacement arm for 18 ft

A separate limit switch input for each motor

Bearing for upper cylinder pin

Linear MGR Product Brochure

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

LiftMaster 041A8550 LED Light Hardware Kit (RJO) la500dcs Upper replacement arm for 18LiftMaster 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.