LiftMaster 041ASWG-0457SA Screw Drive Assembly surge-suppressor two-way communication between visitors and

two-way communication between visitors and tenants using full duplex technology

Durable housing and precision-machined gears for long-term reliability

Lightning Protection: Protects against surges up to 20

and compatibility with industry-standard optical emitters ensure reliable performance in critical situations

This system is equipped with a column-mounted design

LiftMaster 041ASWG-0457SA Screw Drive Assembly surge-suppressor two-way communication between visitors andScrew Drive Replacement for LiftMaster Swing Gate Systems The LiftMaster 041ASWG 0457SA is a genuine screw drive assembly replacement, engineered for precise motion control in compatible swing gate operators. This threaded shaft transmits motor torque to the gate arm, enabling smooth and consistent gate movement in residential and commercial applications. Also known as part number 41ASWG 457SA. Key Features OEM screw drive assembly for LiftMaster