Laser Iridium Spark Plug
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Laser Iridium Spark Plug
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NGK Laser Iridium Spark Plug

Part No. 5599 Warranty Details  

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OE-style long-life spark plug; laser-welded iridium center electrode and platinum ground electrode; tapered ground electrode helps minimize quenching; consistent and stable spark; enhanced acceleration; high fuel efficiency and durability.

Product Features:
  • Iridium-tipped center electrode is 6 times harder than platinum
  • Platinum-tipped ground electrode helps ensure great durability and long life
  • Recommended for vehicles using distributorless ignition systems
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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:0.060 in
Ground Configuration:Standard
Ground Electrode Core Material:Nickel Core
Ground Electrode Quantity:1
Ground Electrode Tip Design:Standard
Ground Strap Quantity:1
Hex Size:5/8
Manufacturer Heat Range:4
Reach:17.5 mm
Resistor:Yes
Seat Type:Tapered
Shorty Spark Plug:No
Thread Diameter:14 mm
Tip Configuration:Solid
Type:Iridium/Platinum
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
NGKLaser Iridium Spark Plug
 
5.0

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Durable (3)
  • Easy to install (3)
  • Improves engine efficiency (3)
  • Increases power (3)
  • Lightweight (3)

Cons

No Cons

Best Uses

  • Everyday driving (3)
  • Performance driving (3)
  • Racing (3)
  • Replacement (3)
  • Restoration (3)
    • Reviewer Profile:
    • Competitive driver (3)

Reviewed by 3 customers

Displaying reviews 1-3

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5.0

BEST Spark Plugs

By 

from Anasco, Puerto Rico

About Me Competitive Driver, Mechanic

Verified Buyer

Pros

  • Durable
  • Easy To Install
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight

Cons

    Best Uses

    • Everyday Driving
    • Performance Driving
    • Racing
    • Replacement
    • Restoration

    Comments about NGK Laser Iridium Spark Plug:

    These Spark Plugs are the BEST Plugs I ever have. Little expensive but is it worth it. You will not regret you bought it, you will notice the radical change your vehicle engine. Also SAVE lots of gas.

    Comment on this reviewHelp Icon

    (3 of 6 customers found this review helpful)

     
    5.0

    NGK Laser Iridium Is Worth The Extra $

    By 

    from Ocala, FL

    About Me Auto Enthusiast, Casual Driver, Competitive Driver

    Verified Buyer
    Helpful Reviewer

    Pros

    • Durable
    • Easy To Install
    • Improves Engine Efficiency
    • Increases Power
    • Lightweight

    Cons

      Best Uses

      • Everyday Driving
      • Performance Driving
      • Racing
      • Replacement
      • Restoration

      Comments about NGK Laser Iridium Spark Plug:

      Theses spark plugs are just #1 across the board hands down.

      Comment on this reviewHelp Icon

      (1 of 4 customers found this review helpful)

       
      5.0

      NGK LASER-WELDED IRIDIUM SPARK PLUGS :-)

      By 

      from Philadelph, Pa

      About Me Auto Enthusiast, Casual Driver, Competitive Driver

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Durable
      • Easy To Install
      • Improves Engine Efficiency
      • Increases Power
      • Lightweight
      • My Car Fast Fast Fast
      • Wow If You Want Speed

      Cons

      • none

      Best Uses

      • Everyday Driving
      • Ngk Is The Way To Go -
      • Ngk Spark Plugs Are Nice
      • Performance Driving
      • Racing
      • Replacement
      • Restoration
      • So If You Want Preformace

      Comments about NGK Laser Iridium Spark Plug:

      NGK Spark Plugs Are The Top Of The Line Plug So If You Are Looking For The Most Optimum Preformace NGK Is Your Plug I No They Are Pricey But The Will Last For A Long Time :-)

      Comment on this reviewHelp Icon

      Displaying reviews 1-3

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      Do you have questions about this product?

       

      Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

      3 Questions | 3 Answers
      Displaying questions 1-3
      • Q:

        Where are the spark plugs made?
        Asked on 11/28/2014 by Diy Debbie

        1 answer

        • CUSTOMER CARE

          A:

          Hi Diy Debbie, Advance Auto Parts does sell Made in the USA products as well as products manufactured from many other countries in order to keep our pricing competitive. Please also keep in mind that many suppliers have multiple manufacturing plants that could result in different countries of origin for the same part.

          Answered on 11/29/2014 by Steve from AAP
      • Q:

        Is this NGK 5599 also same as NGK ITR4A15
        Asked on 3/28/2013 by CD from Muskegon, Mi

        1 answer

        • CUSTOMER CARE

          A:

          Yes, this NGK Laser Iridium Spark Plug, Part No. 5599 (NGK stock number) is same as ITR4A15 (NGK part number).
          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 3/29/2013 by Aaron from AAP
      • Q:

        Are these already properly gapped for a 2000 pontiac grand am 3.4L V6?
        Asked on 1/20/2012 by Anonymous

        1 answer

        • CUSTOMER CARE

          A:

          Yes, this NGK Laser Iridium Spark Plug(Part No. 5599) is properly gapped for a 2000 pontiac grand am 3.4L V6 vehicle.

          Answered on 1/21/2012 by John the Car-Doc from AAP
      Displaying questions 1-3

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