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LiftMaster LA400 Operator Parts

Keep your LiftMaster LA400 in top working condition with replacement and repair parts from North Shore Commercial Door. Find control box and gate arm parts at the lowest prices available for your medium-duty residential/light commercial model LA400 vehicular traffic gate controller. Our illustrated Exploded Parts View (EPV) diagram will show you what replacement gate controller parts look like and a diagram of where they're placed on your gate opener.

If you don't know the part number, just hover over an illustration of the part you want with your cursor or computer mouse and a pop-up link will show you the part number. Simply click to reveal the part description and price along with compatibility information about your year model LiftMaster swing gate opener. Or scroll down to the click-to-buy links by the part numbers.

As an authorized online LiftMaster retailer, North Shore Commercial Door guarantees are backed by LiftMaster guarantees on all parts. We also have more than 30 years of experience as an industry leader in LiftMaster gate operator and garage door operator parts sales, which means we know the answers to your questions. Enjoy superior customer service from our family-owned American company.