08232-H99-K6LA1 Oil 10w30fcw (55 Gal Drum) - Overview. The 08232-H99-K6LA1 Oil 10W30FCW (55 Gal Drum) is a premium engine oil designed specifically for Honda marine engine systems. This 208-liter drum contains 10W30 FCW (Four-Stroke Water-Cooled) engine oil formulated to provide superior lubrication and protection in marine environments. Suitable for use in Honda marine four-stroke engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key