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Product Information

Product Details
Part No. 3539
Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)
The Iridium Long-Life Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions, making it a reliable choice for your vehicle. Featuring DENSO's patented Iridium Alloy with a fine wire center electrode, this spark plug delivers sustained spark performance for over 100,000 miles, lasting up to three times longer than conventional plugs. Its platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural strength. Designed to endure extreme temperatures exceeding 4,000 degrees Fahrenheit, it is ideal for high-performance ignition systems and special fuel setups. With a tapered seat type and iridium center electrode tip material, this spark plug offers exceptional durability and efficiency, providing long-lasting value for your vehicle's ignition system.

Product Features:
  • Latest OE technology with DENSO's patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
Specifications
Center Electrode Core Material:
Copper

Center Electrode Tip Material:
Iridium

Ground Configuration:
Standard

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Platinum Chip

Hex Size:
16.0 mm

Manufacturer Heat Range:
16

Pre-Gap Size:
1.0 mm

Reach:
25.00 mm

Resistance:
5000.0

Seat Type:
Tapered

Thread Diameter:
14.00 mm
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