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The LiftMaster 71-1550B16LGH Sprocket Kit is a precision-engineered 16-tooth drive sprocket designed for LiftMaster operator systems that utilize a 1" shaft with a 1/4" keyway. Proper fitment ensures secure mounting, accurate chain engagement, and consistent power transmission during operation.
Built for durability in commercial and high-cycle environments, this sprocket helps maintain proper drive alignment while reducing wear on chains and related components. Replacing worn sprockets with the correct bore size and tooth count supports efficient operation and long-term reliability of the operator drive assembly.
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