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Sierra Part #18-9650-7
80W-90 high-performance gear lube
Sierra 80W-90 high-performance gear lube. Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings, and other gear case components. Recommended for use in high load operating conditions in both outboard and I/O lower units. 55 gallons. Sierra Part #18-9650-7.
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