Doorking 6550-430 Main and Sub Assembly Arm bd-loops the manual release feature guarantees

the manual release feature guarantees gate access during power outages

with built-in obstacle detection that automatically reverses the gate if an obstruction is detected

Direct OEM Replacement: The K001A6426-1 is a genuine LiftMaster component

Advanced Safety Features: Requires Type B1 (photo sensors) or Type B2 (contact sensors) monitored entrapment protection devices for UL 325 compliance

Solar Power Ready: Can be powered with solar panels

Doorking 6550-430 Main and Sub Assembly Arm bd-loops the manual release feature guaranteesReplacement Arm Assembly for Doorking Swing Gate Operators The Doorking 6550 430 is a replacement main arm assembly engineered for use with Doorking 6500, 6524, and 6550 swing gate operators. This heavy duty arm is a critical structural component responsible for delivering controlled, powerful gate movement. Built for precision and reliability, it is ideal for restoring proper function in commercial and industrial installations. Key Features