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OE Fine Wire Platinum

Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance. The OE fine wire platinum design delivers optimum fit and function for 2x longer service life compared to standard copper plugs.

Center electrode

  • 360 degree continuous laser welded platinum tip promotes durability and long life
  • Fine wire design delivers improved ignitability and performance life
  • Copper core provides broader heat range to resist pre-ignition

Ground electrode

  • Tapered shape reduces flame shrouding for improved combustion
  • Yttrium enhanced to resist wear
  • Copper core (when required) provides broader heat range to resist pre-ignition

Nickel-plated shell with rolled threads

  • Provides complete anti-seize and corrosion protection

Ribbed insulator design

  • Prevents misfires due to flash-over

Spark Plug Type Performance Differences

Center Electrode Core MaterialNickel-Yttrium and Copper and Platinum
Center Electrode Tip MaterialPlatinum
Gap Size1.3 mm
Ground ConfigurationStandard
Ground Electrode Core MaterialN/A
Ground Electrode Quantity1
Ground Electrode Tip DesignTapered
Ground Electrode Tip MaterialNickel-Yttrium
Hex Size16
Insulator MaterialCeramic
Manufacturer Heat Range7
Reach17.5 mm
Seat TypeTapered
Short StyleNo
Thread Diameter14 MM

Warranty Information:
12 Months