LiftMaster 041B3869-3A Belt Drive Trolley Kit Viking X390 Kit Operator Option This LiftMaster Trolley Track is

This LiftMaster Trolley Track is used for the ATSW Commercial Door Operators

for gates up to 1800 lbs

Note: The Nice ABF/A antenna was originally offered under the Apollo brand

HySecurity Arm Lower Replacement Assembly 22 ft

Block-coded transmitters are factory programmed to a sequential series of transmitter ID codes

LiftMaster 041B3869-3A Belt Drive Trolley Kit Viking X390 Kit Operator Option This LiftMaster Trolley Track isLiftMaster 041B3869 3A Belt Drive Trolley Kit This is a Belt Drive Trolley Replacement Kit. For use with various LiftMaster and Chamberlain Belt Drive Garage Door Openers. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as: LiftMaster 41B3869 1 LiftMaster 41B3869 3 LiftMaster 41B3869 LiftMaster 41B3869 3A