Part Number: DEN 5379
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.