DENSO 3495OE Iridium Long Life Spark Plug

The DENSO 3495 Iridium Long Life Spark Plug delivers OE-quality ignition performance with advanced iridium technology for superior durability and efficiency. Engineered with DENSO's patented iridium alloy that is six times harder and eight times stronger than conventional platinum, this spark plug is designed to withstand extreme combustion conditions and provide reliable service for over 100,000 miles.

Key Features:

• 0.7mm ultra-fine iridium center electrode tip for improved ignitability and longevity
• Platinum needle ground electrode for enhanced wear resistance and reduced erosion
• Copper center electrode core for superior heat dissipation and conductivity
• Needle-to-needle ground configuration for optimal spark efficiency
• Endures temperatures exceeding 4,000 degrees Fahrenheit
• 360-degree laser-welded center electrode for maximum durability
• Tapered cut design reduces quenching and improves firing performance
• 12mm thread diameter with 16mm hex size and flat seat design
• Pre-gapped to 1.1mm for convenient installation
• 5000 ohm resistor for RFI suppression

This spark plug delivers improved horsepower, faster cold starts, fewer misfires under heavy loads, and better fuel economy. Built to OE standards and tested for quality assurance, the DENSO 3495 provides dependable performance for demanding automotive applications. Cross-references to OEM part numbers 18871-11070, 18851-11070, 18871-11075, 18870-11071, and FXU22HR11.