DENSO 5354 Iridium Power Spark Plug

The DENSO 5354 Iridium Power Spark Plug delivers enhanced ignition performance through DENSO's advanced iridium electrode technology. Engineered for drivers seeking improved throttle response, fuel efficiency, and consistent firing, this plug is a direct-fit replacement designed to meet or exceed OEM standards.

Key Features:

• World's Smallest Iridium Center Electrode – At just 0.4mm, the ultra-fine iridium tip concentrates spark energy for more complete combustion
• Superior Ignitability – The fine electrode reduces the voltage required to fire, resulting in quicker, more reliable ignition
• Iridium Construction – Iridium is six times harder and eight times stronger than platinum, ensuring exceptional durability and long service life
• Improved Throttle Response – More efficient combustion translates to better acceleration and overall engine performance
• Enhanced Fuel Efficiency – Optimized combustion helps reduce fuel consumption compared to standard copper plugs
• OEM-Quality Fit – Designed as a direct replacement to ensure proper seating and heat range for compatible applications
• High Purity Alumina Powder Insulator – Provides superior heat dissipation and anti-fouling characteristics

The DENSO 5354 is part of DENSO's Iridium Power lineup, one of the most trusted names in ignition technology. DENSO is the original equipment supplier to many major automakers worldwide, and their Iridium Power plugs bring that same OEM-grade engineering to the aftermarket replacement market.