DENSO 3583OE Iridium Long Life Spark Plug

The DENSO 3583OE is an iridium long-life spark plug engineered to deliver exceptional ignition performance and extended service life. Featuring DENSO's patented iridium alloy technology, this spark plug utilizes a 0.7mm ultra-fine center electrode that dramatically improves ignitability and durability compared to conventional platinum plugs.

Key Features:

• Patented iridium alloy center electrode for superior durability and performance
• 360-degree laser welding process ensures exceptional bond strength
• Iridium alloy is six times harder and eight times stronger than conventional platinum
• Withstands temperatures exceeding 4,000°F for extreme reliability
• Manufactured to strict OE standards for precise fitment
• Ultra-fine 0.7mm electrode design improves fuel efficiency and reduces misfires

DENSO's advanced spark plug technology delivers improved horsepower, faster starts, and better fuel economy. As a trusted OE supplier to major automakers worldwide, DENSO applies the same precision engineering and quality standards to their aftermarket spark plugs, ensuring First Time Fit performance every time.