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APR Iridium Pro Spark Plugs - 14x19x16mm - Heat Range 9

Fits 2.0T EA113/EA888.1/2, 3.0S EA837 Audi A3, A4/S4/A5/S5/Q5/SQ5, A6/A7, A8, Q7, TT/TTS, Porsche Cayenne, Panamera, VW Beetle, CC, Eos, Golf R/GTI, Jetta, Passat, and Tiguan

Part # Z1003101
1 Review

APR Iridium Pro Spark Plugs - 14x19x16mm - Heat Range 9

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MSRP $22.44
$17.96
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Emissions

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

See Emissions Details

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APR Iridium Pro Spark Plugs are the excellent upgrade for tuned engines. Our spark plugs are made from Iridium, which is one of the strongest materials you can use in this type of application. They run cooler, resist preignition, last longer than other materials with higher melting points, and even require less voltage to produce a strong spark. The electrode is harder and stronger than other materials and with its copper core can dissipate heat more easily, is better protected from melting, cracking, and other limitations found with standard plugs. These plugs were designed for use on tuned and higher output vehicles that benefit from a plug cooler than the factory heat range. They are great for high boost, high cylinder pressure, high cylinder temperatures, and high power situations, and they pair nicely with a set of APR ignition coils, where applicable.

Features:

  • Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Denso 27, and NGK 9)
  • 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
  • Stronger than copper and platinum
  • Designed for high performance / tuned vehicle applications
  • Projected insulator design
  • Lower required supplied voltage
  • Cooler operating temperature than stock plugs
  • Optimized electrode design for hard to ignite fuels, such as ethanol
  • Resists preignition better than stock plugs
  • Perfect for upgraded APR vehicles
  • An excellent match for APR ignition coils
  • Thread reach: 19mm
  • Thread diameter: 14mm
  • Hexagon: 16mm
  • Seat Type: Gasket
  • Install Torque: 25 Nm
  • Made in the EU
Brand APR
CategoryIgnition
Center Electrode Tip MaterialIridium
Emission Code2
Grade TypePerformance
IndexedNo
Insulator MaterialCeramic
Product TypeIgnition Systems (Spark Plugs)
Sub CategorySecondary Ignition
UPC810009935018
Part NumberZ1003101
2

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Instructions - ea888_1_spark_plugs_instructions.png
Always check sizes and heat range specs before installing.

Have a question about this product?

  • Question

    I’ve got Jetta tsi 2012 k04 (0064) with Apr software installed and I would like to know the spark plug range (8 or 9)? The vin number is: 3vwln6164cm047552

    By Vinicius Passero on February 7, 2023

    Answer
    Use our new heat range 9's for best results: https://goapr.com/Z1003101
    Helpful?
  • Question

    I have an APR Stage 2 (high torque) mk6 GTI, using APR coils. What heat range spark plugs and gap would you recommend? What would be the expected change interval?

    By Christopher Hobbs on May 17, 2023

    Answer
    These would work great. Try the stock gap, and open them up only if needed.
    Helpful?
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Some parts are not legal for use in California or other states with similar regulations.