Denso 5379 Iridium Power Spark Plug

Denso 5379 Iridium Power Spark Plug The Denso 5379 Iridium Power Spark Plug is a premium ignition upgrade designed to deliver outstanding performance, durability, and reliability in modern marine engines. Featuring Denso's advanced Iridium Power technology, this spark plug utilizes an ultra-fine iridium center electrode that produces a concentrated spark for efficient combustion, improved throttle response, and dependable engine operation. Marine engines demand ignition components that can withstand constant vibration, heat, and heavy loads. The Denso 5379 is engineered to meet those challenges, helping reduce misfires, improve fuel efficiency, and maintain consistent power output whether you're towing riders, surfing, skiing, or cruising. Its long-life iridium construction resists wear significantly better than conventional spark plugs, making it an excellent choice for boat owners seeking maximum performance with reduced maintenance intervals. Common Engine Applications The Denso 5379 Iridium Power Spark Plug is commonly used in Ford-based marine engines, including: Indmar Raptor 6.2L Indmar Raptor 6.2L HO Indmar Raptor 6.2L Supercharged Ford 6.2L SOHC marine engine platforms High-output Ford-based marine engine packages Common Boat Fitments These engines are frequently found in many of today's top-performing wake, surf, and ski boats, including: Supra Supra SA Supra SL Supra SE Supra SR Supra Sunsport Moomba Moomba Mojo Moomba Kaiyen Moomba Makai Moomba Max Moomba Craz Centurion Centurion Ri230 Centurion Ri245 Centurion Fi23 Centurion Fi25 Supreme Supreme S220 Supreme S238 Supreme ZS232 Supreme ZS252 ATX Surf Boats ATX 20 Type-S ATX 22 Type-S ATX 24 Type-S Additional applications may include custom and specialty marine installations utilizing Ford-based 6.2L engine packages. Features Genuine Denso 5379 Iridium Power spark plug Ultra-fine iridium center electrode technology Delivers a strong, efficient spark Helps improve throttle response and acceleration Supports reliable starts and smooth idle quality Long service life compared to standard spark plugs Designed for demanding marine operating conditions Benefits of Iridium Power Technology Denso's Iridium Power design reduces the voltage required to generate a spark while improving ignition efficiency. The result is quicker engine response, cleaner combustion, improved fuel economy, and dependable performance over extended service intervals. For owners of Supra, Moomba, Centurion, Supreme, and ATX boats powered by Ford-based Indmar Raptor engines, the Denso 5379 Iridium Power Spark Plug delivers premium ignition performance and long-lasting reliability for every day on the water.