APR EA888.1/2/EA837/EA113 Iridium Pro Spark Plug - Heat Range 9 - 14mm x 19mm x 16mm - SINGLE

Refresh your ignition system in one shot with APR Iridium Pro Spark Plugs and pair with APR Ignition Coils – engineered to work together for a stronger, more consistent spark. Each is a direct-fit upgrade designed to support smoother idle, sharper throttle response, and reliable performance under heat and load—whether you’re stock or running higher boost and power upgrades.

A DIRECT-FIT UPGRADE: Upgrade your OEM spark plug on stock vehicles and on tuned engines with higher boost or upgraded power components, APR spark plugs are engineered to manage increased demands. Direct replacement for stock OEM parts 06H905601A, 06Q905601E,101905631G

COMPATIBILITY: Compatible with Audi A3 A4 A5 A6 A7 A8 Allroad Q3 Q5 Q7 R8 RS4 RS5 S4 S5 S6 S8 SQ5 TT TTRS & TTS. Lamborghini Gallardo Huracan & Aventador. Porsche Cayenne & Panamera. VW Arteon Atlas Beetle CC Eos Golf Golf R GTI Jetta Passat Tiguan & Touareg

HIGH-TEMP DURABILITY (HEAT RANGE 9): Featuring a copper core construction paired with an iridium electrode, APR’s high heat dispersal “cold plugs” regulate combustion temperatures. This means consistent performance, even under extreme conditions.

BUILT FOR PERFORMANCE: APR Iridium Pro Spark Plugs are made from high-grade materials, engineered to enhance ignition and combustion, and provide smooth, consistent engine power for daily drivers, dedicated racing enthusiasts, and everyone in between.

TRUSTED IN THE U.S. FOR OVER 25 YEARS: Founded in 1997, APR is Headquartered in Opelika, Alabama and has become a global leader in quality and reliable performance aftermarket products for Volkswagen, Audi, Porsche, and other vehicles.

IRIDIUM BENEFITS: One of the strongest materials used for spark plugs, Iridium is used to withstand high temps, is less corrosive, requires less voltage to product a strong spark, and helps deliver reliable power.

MORE POWER WITH APR: Pair APR spark plugs with APR ignition coils for maximized performance in your in PQ35/45 engine. Z1003101 works with Ignition Coil Part Numbers MS100208, MS100209, MS100210.

Includes: One iridium spark plug (Z1003101).

Features

• 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
• Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Denso 27, and NGK 9)
• Optimized electrode design for hard to ignite fuels, such as ethanol
• Designed for high performance / tuned vehicle applications
• Cooler operating temperature than stock plugs
• Resists preignition better than stock plugs
• An excellent match for APR ignition coils
• Stronger than copper and platinum
• Perfect for upgraded APR vehicles
• Lower required supplied voltage
• Projected insulator design
• Thread diameter: 14mm
• Install Torque: 25 Nm
• Thread reach: 19mm
• Seat Type: Gasket
• Made in the EU
• Hexagon: 16mm

Vehicle Fitment

• 2006-2013 Audi A3
• 2010-2013 Audi A3
• 2009-2013 Audi A3 Quattro
• 2005-2014 Audi A4
• 2007-2009 Audi A4
• 2015-2016 Audi A4
• 2015 Audi A4
• 2005-2012 Audi A4 Quattro
• 2005-2014 Audi A4 Quattro
• 2007-2009 Audi A4 Quattro
• 2015-2016 Audi A4 Quattro
• 2015 Audi A4 Quattro
• 2010-2014 Audi A5 Quattro
• 2015-2016 Audi A5 Quattro
• 2015 Audi A5 Quattro
• 2017 Audi A5 Quattro
• 2012-2017 Audi A6
• 2009-2011 Audi A6 Quattro
• 2017 Audi A6 Quattro
• 2013-2015 Audi A6 Quattro
• 2012-2014 Audi A6 Quattro
• 2018 Audi A6 Quattro
• 2012-2018 Audi A6 Quattro
• 2014-2016 Audi A6 Quattro
• 2012-2013 Audi A7 Quattro
• 2017 Audi A7 Quattro
• 2014-2018 Audi A7 Quattro
• 2014-2016 Audi A7 Quattro
• 2013-2015 Audi A8 Quattro
• 2013-2018 Audi A8 Quattro
• 2014-2016 Audi A8 Quattro
• 2013-2016 Audi allroad
• 2013-2015 Audi allroad
• 2017-2018 Audi Q3
• 2015-2018 Audi Q3
• 2015-2017 Audi Q3
• 2017-2018 Audi Q3 Quattro
• 2015-2018 Audi Q3 Quattro
• 2015-2017 Audi Q3 Quattro
• 2013-2016 Audi Q5
• 2011-2017 Audi Q5
• 2013-2017 Audi Q5
• 2014-2016 Audi Q5
• 2016 Audi Q5
• 2011-2015 Audi Q7
• 2017-2019 Audi Q7
• 2010-2013 Audi S4
• 2014-2016 Audi S4
• 2013 Audi S5
• 2017 Audi S5
• 2010-2013 Audi S5
• 2014-2016 Audi S5
• 2014-2017 Audi SQ5
• 2008-2009 Audi TT
• 2009-2011 Audi TT Quattro
• 2014-2015 Audi TT Quattro
• 2012-2013 Audi TT Quattro
• 2009-2015 Audi TTS Quattro
• 2013-2016 Porsche Cayenne
• 2014 Porsche Cayenne
• 2015-2018 Porsche Cayenne
• 2017-2018 Porsche Cayenne
• 2011-2014 Porsche Cayenne
• 2014-2015 Porsche Panamera
• 2012-2013 Porsche Panamera
• 2012 Volkswagen Beetle
• 2014-2015 Volkswagen CC
• 2012-2013 Volkswagen CC
• 2012 Volkswagen CC
• 2009-2011 Volkswagen CC
• 2011-2016 Volkswagen CC
• 2016-2017 Volkswagen CC
• 2009-2017 Volkswagen CC
• 2013 Volkswagen CC
• 2016 Volkswagen CC
• 2007 Volkswagen Eos
• 2012-2015 Volkswagen Eos
• 2015 Volkswagen Eos
• 2008-2016 Volkswagen Eos
• 2008-2013 Volkswagen Eos
• 2013-2014 Volkswagen Eos
• 2008 Volkswagen Eos
• 2012-2013 Volkswagen Golf R
• 2006-2013 Volkswagen GTI
• 2014 Volkswagen GTI
• 2007 Volkswagen GTI
• 2006-2007 Volkswagen Jetta
• 2006-2009 Volkswagen Jetta
• 2012-2013 Volkswagen Jetta
• 2009 Volkswagen Jetta
• 2009-2010 Volkswagen Jetta
• 2010 Volkswagen Jetta
• 2008-2010 Volkswagen Jetta
• 2006-2007 Volkswagen Passat
• 2008-2010 Volkswagen Passat
• 2008 Volkswagen Passat
• 2007 Volkswagen Passat
• 2014-2016 Volkswagen Tiguan
• 2009-2017 Volkswagen Tiguan
• 2009-2016 Volkswagen Tiguan
• 2017 Volkswagen Tiguan
• 2010 Volkswagen Tiguan
• 2017-2018 Volkswagen Tiguan Limited

Please verify exact fitment (engine, submodel, and trim) before purchasing.

Manufacturer Part Number: Z1003101

Images are for illustration purposes only; actual product may vary.

⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.