LiftMaster Compound Sprocket 41B19x1-1/4"B | LIF-K75-11377 41ASWG-489 The Linear Arm Assy is

The Linear Arm Assy is designed to provide reliable and efficient performance for your gate automation system

5mm double-painted aluminum

The IRB-RET retroreflective photo eye is an external entrapment protection device type B1

Housing: Extruded Anodized Aluminum

Digital Receiver 433 MHz frequency

LiftMaster Compound Sprocket 41B19x1-1/4"B | LIF-K75-11377 41ASWG-489 The Linear Arm Assy isLiftMaster Compound Sprocket 41B19x1 1 4"B LIF K75 11377 This is a replacement Compound Sprocket (41B19x1 1 4"B). Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 75 11377 LiftMaster 15 11377 Compatibility This sprocket is compatible with LiftMaster Models MGJ and LGO Commercial Door Operators.