Spark Plug - Mercedes / 1.8T / C250 / SLK250

Spark Plug - Mercedes / 1.8T / C250 / SLK2503X longer service life compared to standard copper plugs Bosch Double Platinum spark plugs are engineered to extend performance life and durability. The fine wire design of the center electrode improves ignitability and performance in your engine while the platinum tip on both the center and ground electrodes ensure longer life. All backed by a 6 year performance satisfaction guarantee. Center Electrode Core Material: Nickel Yttrium and Copper and

• 3X longer service life compared to standard copper plugs 

  Bosch Double Platinum spark plugs are engineered to extend performance life and durability. The fine wire design of the center electrode improves ignitability and performance in your engine while the platinum tip on both the center and ground electrodes ensure longer life. All backed by a 6-year performance satisfaction guarantee.

  Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum - Center Electrode Tip Material: Platinum - Ground Electrode Tip Material: Nickel-Yttrium and Platinum

  Features and Benefits:

  • OE design for optimum fit and function
  • Fine wire design delivers improved ignitability and performance life
  • Center electrode is an ultra fine wire design.
  • Copper core provides broader heat range to resist pre-ignition
  • Tapered shape ground electrode reduces flame shrouding for improved combustion
  • Yttrium enhanced to resist wear
  • Nickel-plated shell with rolled threads
  • Ribbed insulator design
  
  
  
  OE Part #   004-159-58-03 / 004 159 58 03 / 004.159.58.03 / 0041595803
  
  
  Bosch Part #'s   8132/ YR6NPP332