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Adapter Gear Lube Fill Metric | Sierra 18-99531
Metric gearcase lube fill adapter designed for 8mm applications across Honda, Nissan, Tohatsu, Yamaha, and select Mercury and Evinrude outboards. Features 8mm x 3/8-16 threading for secure, leak-free lubricant filling. Direct replacement for Mercury 91-883704Q03, 91-883704K03, and 551-33M, plus CDI equivalents. Not compatible with Suzuki models. Essential maintenance tool for keeping your outboard gearcase properly lubricated and protected.
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
US$40
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