DENSO 3449 Iridium Long Life Spark Plug

The DENSO 3449 Iridium Long Life spark plug delivers superior ignition performance and extended service life for demanding automotive applications. Featuring a ultra-fine 0.6mm iridium center electrode, this plug provides a more focused spark for improved combustion efficiency, better fuel economy, and reduced emissions.

Key Features:

• Iridium center electrode offers 6 times greater hardness and 8 times stronger than platinum
• Ultra-fine electrode design improves ignitability and throttle response
• Purified alumina powder insulator provides superior dielectric strength and thermal conductivity
• 360-degree laser welding ensures maximum durability under extreme conditions
• Copper core and nickel-plated housing enhance heat dissipation
• Trivalent metal plating prevents corrosion and seizing

Manufactured to stringent OE performance, durability, and emissions standards, this DENSO iridium spark plug provides reliable ignition for extended intervals between replacement. The advanced materials and precision engineering ensure consistent performance across a wide range of operating conditions.