Purchased gate arm
Works perfectly
Liftmaster LA400DCS Secondary Arm (On Sale) is backordered and will ship as soon as it is back in stock.
This is a secondary arm replacement kit that is used in LA400 dual-gate system. This arm comes with a wiring cord as well as a master/secondary connecting cord. A simple replacement procedure for diy enthusiasts, homeowners and dealers alike. Reuse the existing brackets and bolts to mount this new unit.
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