9807B-5617P S/PLG (ZFR6K-11) - Overview. The 9807B-5617P S/PLG (ZFR6K-11) is a high-quality spark plug specifically designed for Honda marine engine systems. This essential ignition component plays a crucial role in delivering reliable spark for efficient combustion, ensuring smooth engine starts and optimum performance. Manufactured by Honda to meet precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM spark plug ensuring exact fit and performance.. Designed to support Honda marine engines' ignition systems.. Enhances engine combustion efficiency and power output.. Made from premium materials with excellent high-temperature resistance.. Matches factory dimensions and tolerances for seamless operation.. Durable construction that withstands marine environment demands.. Why Choose Genuine OEM. Using original Honda parts like the 9807B-5617P S/PLG (ZFR6K-11) preserves the integrity of