Go to RockAuto Home Page
More Information for BOSCH 4458
Add to Cart
Continue Shopping
BOSCH 4458close
Part image
The best of the Bosch Platinum Series, with the most platinum, delivers maximum engine power for a longer performance life.
  • Revolutionary surface air gap firing technology featuring multiple spark paths to deliver the longest, most powerful spark for ultimate engine performance
  • More platinum vs. Bosch Platinum Plus for smoother acceleration, better gas mileage and optimum engine performance
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
  • Factory pre-set gap for ease of installation. Never requires adjustment

Spark Plug Type Performance Differences

Center Electrode Core MaterialPlatinum
Center Electrode Tip MaterialPlatinum
Gap Size1.6 mm
Ground ConfigurationMultiple
Ground Electrode Core MaterialN/A
Ground Electrode Quantity4
Ground Electrode Tip DesignMultiple
Ground Electrode Tip MaterialNickel-Yttrium
Hex Size16
Insulator MaterialCeramic
Manufacturer Heat Range8
Reach17.5 mm
Seat TypeTapered
Short StyleNo
Thread Diameter14 MM

Warranty Information:
12 Months