LiftMaster LA500DC Primary Arm

The LiftMaster LA500DC Primary Arm is a genuine replacement drive arm for the LA500DC swing gate operator system, designed to deliver powerful and reliable performance in residential and light commercial applications. As the main drive component of the LA500DC dual-arm gate system, this DC-powered articulated arm provides smooth, quiet gate operation with advanced safety and control features.

Ideal for replacing a damaged or worn-out primary arm, the LA500DC arm restores full gate function and integrates seamlessly with existing LiftMaster LA500DC systems, ensuring long-term durability, secure access, and Smart Access compatibility.

Key Features

• Model: LA500DC Primary Arm

• Power Source: DC-powered (part of LA500DC gate operator system)

• Compatibility: Works with LiftMaster LA500DC control board and secondary arm (if applicable)

• Function: Drives the primary side of the gate system; handles gate opening and closing

• Construction: Heavy-duty, weather-resistant materials for long-lasting outdoor use

• Smart Integration: Compatible with MyQ® and other LiftMaster Smart Access solutions when paired with appropriate accessories

• Quiet Operation: Designed for smooth, low-noise gate movement

Applications

• Dual or single swing gate systems using the LA500DC model

• Residential gated communities

• Light commercial entrances

• High-cycle environments needing dependable gate automation

Benefits

• Restores complete functionality to LA500DC systems

• Provides reliable power for heavy-duty gates

• OEM replacement ensures perfect fit and performance

• Weatherproof design for year-round outdoor use

• Supports LiftMaster’s safety and access control systems