Liftmaster K77-37335 Main Electrical Panel Box
Liftmaster k7737335 Electrical Box
This is a replacement E-Box. Compatible with LiftMaster® RSW12, RSW12U, RSW2UL models, and various residential and commercial vehicular swing gate operators.
Check the manual or parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.