LiftMaster V-Belt (4L420, Q163) | LIF-K16-50186 Photo Eyes and Photo Sensors To fully facilitate installers in

To fully facilitate installers in creating the system and in maintenance

LiftMaster Q403

ensuring alignment and preventing sagging over time

Fail secure system with keyed manual over ride release

LiftMaster V-Belt (4L420, Q163) | LIF-K16-50186 Photo Eyes and Photo Sensors To fully facilitate installers inLiftMaster V Belt (4L420, Q163) LIF K16 50186 This is a replacement V Belt (4L420, Q0163). Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster Q163 Compatibility This part is compatible with LiftMaster CSW200UL Series Swing Gate Operators.