Denso FK16R-A8 Iridium Long-Life Spark Plugs 3485-4 PK

★★★★★ 4.3 145 reviews

US$36.00
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Product details

Management number 214057486 Release Date 2026/04/12 List Price US$36.00 Model Number 214057486
Category

Using the same laser welding process as the Iridium Power spark plug, DENSO designed a long life spark plug factory-installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Using its patented Iridium alloy, DENSO was able to shrink the center electrode to 0. 7mm, dramatically improving ignitability and longevity.

  • 100 percent pre-fired to ensure reliable operation
  • Copper core center electrode for superior thermal conductivity
  • Unique five-rib insulator reduces flashover and decreases voltage loss
  • Dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal.
  • Lasts up to three times as long as conventional plugs
UPC 042511348547
Brand Name Denso
Unit Count 4.0 Count
Thread Size 14mm
Manufacturer Denso
Model Number FK16R-A8 (4PK)
Core Material Copper
Item Type Name Spark Plugs
Top Material Type Iridium
Automotive Fit Type Vehicle Specific Fit
Included Components Spark Plugs (4)
Manufacturer Part Number 3485-4PK
OEM Equivalent Part Number 3485-4PK
Compatible with Vehicle Type Car, Truck
Manufacturer Warranty Description 1 year manufacturer

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4.3 out of 5
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145 ratings | 59 reviews
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