HySecurity Belt and Pulley Kit 15mm | HYS-MX3621 liftmaster K74-34392 Official 24VDC Secondary Replacement Arm

Official 24VDC Secondary Replacement Arm for LA400 Dual Swing Gates

and electric controls are located in a remote enclosure to accommodate unique mounting

An industry-leading 5-year lithium battery improves performance in cold weather (based on 25 activations per day)

and garage doors

LiftMaster 23-20088

HySecurity Belt and Pulley Kit 15mm | HYS-MX3621 liftmaster K74-34392 Official 24VDC Secondary Replacement ArmHySecurity Belt and Pulley Kit 15mm HYS MX3621 15 mm wide timing belt and motor shaft pulley Note: Replacement for narrow 8 mm belt and motor shaft pulley on 2014 and older models Note: This part is compatible with the HySecurity StrongArmPark DC operator.