Maximize your Suzuki marine engine's performance with this genuine OEM spark plug (Part Number: 09482-00446). Specifically engineered for Suzuki outboard engines, this high-quality spark plug ensures optimal ignition and combustion for increased power and efficiency. Compatible with DF9.9, DF15, DF25A/30A, DF40A/50A, and DF60A/70A/90A series engines. Features marine-grade construction built to withstand harsh saltwater conditions with corrosion-resistant coating for long-lasting durability. Pre-gapped to Suzuki specifications and optimized heat range for marine applications ensure reliable ignition and consistent spark for dependable engine starts. This direct replacement spark plug maintains proper engine timing and efficiency while being easy to install. Recommended replacement interval is every 100 hours or annually, with inspection every 50 hours. Weighs 0.25 pounds. OEM spark plugs are designed to exact specifications and tested under real marine conditions, ensuring your Suzuki engine runs at peak performance. For best results, replace all spark plugs at the same time and follow proper torque specifications during installation.