DENSO 3434 Iridium Long-Life Spark Plug

The DENSO 3434 is a premium iridium spark plug engineered to deliver exceptional performance and extended service life. Featuring an ultra-fine 0.6mm iridium center electrode, this spark plug provides superior ignitability and durability compared to conventional platinum or copper plugs.

Key Features:

• Iridium construction offers up to 4x longer life than traditional copper spark plugs
• Ultra-fine center electrode focuses spark energy for more efficient combustion
• Manufactured to strict OE performance, durability, and emissions standards
• Provides consistent spark performance across extended service intervals
• Reduces required ignition voltage for improved cold starting and throttle response
• Helps optimize fuel efficiency and reduce emissions

DENSO's iridium spark plugs are designed to meet or exceed original equipment specifications, making them an ideal choice for both routine maintenance and performance applications. The superior hardness and high melting point of iridium ensure reliable operation under extreme conditions.