Iridium IX Spark Plug
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Iridium IX Spark Plug Iridium IX Spark Plug Iridium IX Spark Plug
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NGK Iridium IX Spark Plug

Part No. 7559 Warranty Details  
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Laser-welded iridium center electrode is resistant to heat, corrosion and electrical wear. The tapered ground electrode minimizes quenching. Provides outstanding acceleration, high fuel efficiency and durability.

Product Features:
  • 0.6 mm iridium-tip center electrode provides durability and a high melting point
  • Taper-cut ground electrode shape provides improved flame reproduction
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Center Electrode Core Material:Copper Core
Center Electrode Tip Material:Iridium
Electrode Core Material:Iridium
Electrode Tip Material:Iridium
Gap Size:0.06 in
Ground Configuration:Standard
Ground Electrode Core Material:Nickel Core
Ground Electrode Quantity:1
Ground Electrode Tip Design:Taper Cut
Ground Strap Quantity:1
Hex Size:5/8 in
Manufacturer Heat Range:4
Reach:11.2 mm
Seat Type:Tapered
Shorty Spark Plug:No
Spark Plug Approximate Resistor Value:5K Ohm
Thread Diameter:14 mm
Tip Configuration:Solid
Type:Iridium IX
Wrench Diameter:5/8 in

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    What should the gap be in an Iridium IX spark plug for a 2009 Kia Spectra?
    Asked on 3/20/2013 by Barb the Navy Gal from Cleveland, TN

    1 answer



      No, this NGK Iridium IX Spark Plug, Part No. 7559 does not fit your vehicle 2009 Kia Spectra. Please check NGK Iridium Ix Spark Plug (ZFR5FIX-11), Part No. 2477 which is an exact fit for your vehicle and the recommended spark plug gap for your vehicle is 0.044 inches.
      For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 3/20/2013 by Aaron from AAP
  • Q:

    What is the Spark Plug gap suppose to be with the Iridium IX Spark Plug when used in a 1993 Ford Mustang GT 5.0 V8.
    Asked on 8/15/2011 by Anonymous

    1 answer



      0.54 mm is the gaps suppose to be with the Iridium IX Spark Plug when used in a 1993 Ford Mustang GT 5.0 V8.

      Answered on 8/16/2011 by Start with Shane! from AAP
Displaying questions 1-2

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