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NGK
NGK93911
NGK

NGK IX Iridium Spark Plug Box of 4 (LKR7AIX)

$37.15
$90.60 Sale $37.15

Description

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Fine iridium tip ensures durable and consistent spark

This Part Fits:

Year Make Model Submodel
2007-2008 Dodge Sprinter 2500 Base
2007-2008 Dodge Sprinter 3500 Base
2007-2008 Freightliner Sprinter 2500 Base
2007-2008 Freightliner Sprinter 3500 Base
2010-2011 Kia Soul Base
2006-2007 Mercedes-Benz C230 Sport
2012-2014 Mercedes-Benz C250 Base
2012-2014 Mercedes-Benz C250 Luxury
2012-2014 Mercedes-Benz C250 Sport
2006-2007 Mercedes-Benz C280 4Matic
2006-2007 Mercedes-Benz C280 Luxury
2008-2012 Mercedes-Benz C300 4Matic Luxury
2008-2012 Mercedes-Benz C300 4Matic Sport
2008-2011 Mercedes-Benz C300 Luxury
2008-2011 Mercedes-Benz C300 Sport
2006-2007 Mercedes-Benz C350 4Matic
2006-2007 Mercedes-Benz C350 Luxury
2006-2011 Mercedes-Benz C350 Sport
2009-2010 Mercedes-Benz CL550 4Matic
2007-2008 Mercedes-Benz CL550 Base
2006-2009 Mercedes-Benz CLK350 Base
2007-2009 Mercedes-Benz CLK550 Base
2007-2011 Mercedes-Benz CLS550 Base
2006-2011 Mercedes-Benz E350 4Matic
2006-2011 Mercedes-Benz E350 Base
2007-2011 Mercedes-Benz E550 4Matic
2007-2011 Mercedes-Benz E550 Base
2009-2015 Mercedes-Benz G550 Base
2008-2012 Mercedes-Benz GL550 Base
2010-2012 Mercedes-Benz GLK350 4Matic
2010-2012 Mercedes-Benz GLK350 Base
2006-2011 Mercedes-Benz ML350 4Matic
2009-2011 Mercedes-Benz ML350 Base
2010-2011 Mercedes-Benz ML450 Hybrid 4Matic
2008-2011 Mercedes-Benz ML550 Base
2006-2011 Mercedes-Benz R350 4Matic
2008-2009 Mercedes-Benz R350 Base
2006 Mercedes-Benz S350 Base
2010-2013 Mercedes-Benz S400 Hybrid
2007-2011 Mercedes-Benz S550 4Matic
2007-2011 Mercedes-Benz S550 Base
2007-2009,2011-2012 Mercedes-Benz SL550 Base
2012-2015 Mercedes-Benz SLK250 Base
2006-2008 Mercedes-Benz SLK280 Base
2009-2011 Mercedes-Benz SLK300 Base
2005-2011 Mercedes-Benz SLK350 Base
2007 Mitsubishi Outlander ES
2010-2013 Mitsubishi Outlander GT
2007-2008 Mitsubishi Outlander LS
2007-2011 Mitsubishi Outlander XLS
2009-2010 Smart Fortwo Brabus
2008-2015 Smart Fortwo Passion
2008-2015 Smart Fortwo Passion Cabrio
2008-2015 Smart Fortwo Pure

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Fine iridium tip ensures durable and consistent spark

This Part Fits:

Year Make Model Submodel
2007-2008 Dodge Sprinter 2500 Base
2007-2008 Dodge Sprinter 3500 Base
2007-2008 Freightliner Sprinter 2500 Base
2007-2008 Freightliner Sprinter 3500 Base
2010-2011 Kia Soul Base
2006-2007 Mercedes-Benz C230 Sport
2012-2014 Mercedes-Benz C250 Base
2012-2014 Mercedes-Benz C250 Luxury
2012-2014 Mercedes-Benz C250 Sport
2006-2007 Mercedes-Benz C280 4Matic
2006-2007 Mercedes-Benz C280 Luxury
2008-2012 Mercedes-Benz C300 4Matic Luxury
2008-2012 Mercedes-Benz C300 4Matic Sport
2008-2011 Mercedes-Benz C300 Luxury
2008-2011 Mercedes-Benz C300 Sport
2006-2007 Mercedes-Benz C350 4Matic
2006-2007 Mercedes-Benz C350 Luxury
2006-2011 Mercedes-Benz C350 Sport
2009-2010 Mercedes-Benz CL550 4Matic
2007-2008 Mercedes-Benz CL550 Base
2006-2009 Mercedes-Benz CLK350 Base
2007-2009 Mercedes-Benz CLK550 Base
2007-2011 Mercedes-Benz CLS550 Base
2006-2011 Mercedes-Benz E350 4Matic
2006-2011 Mercedes-Benz E350 Base
2007-2011 Mercedes-Benz E550 4Matic
2007-2011 Mercedes-Benz E550 Base
2009-2015 Mercedes-Benz G550 Base
2008-2012 Mercedes-Benz GL550 Base
2010-2012 Mercedes-Benz GLK350 4Matic
2010-2012 Mercedes-Benz GLK350 Base
2006-2011 Mercedes-Benz ML350 4Matic
2009-2011 Mercedes-Benz ML350 Base
2010-2011 Mercedes-Benz ML450 Hybrid 4Matic
2008-2011 Mercedes-Benz ML550 Base
2006-2011 Mercedes-Benz R350 4Matic
2008-2009 Mercedes-Benz R350 Base
2006 Mercedes-Benz S350 Base
2010-2013 Mercedes-Benz S400 Hybrid
2007-2011 Mercedes-Benz S550 4Matic
2007-2011 Mercedes-Benz S550 Base
2007-2009,2011-2012 Mercedes-Benz SL550 Base
2012-2015 Mercedes-Benz SLK250 Base
2006-2008 Mercedes-Benz SLK280 Base
2009-2011 Mercedes-Benz SLK300 Base
2005-2011 Mercedes-Benz SLK350 Base
2007 Mitsubishi Outlander ES
2010-2013 Mitsubishi Outlander GT
2007-2008 Mitsubishi Outlander LS
2007-2011 Mitsubishi Outlander XLS
2009-2010 Smart Fortwo Brabus
2008-2015 Smart Fortwo Passion
2008-2015 Smart Fortwo Passion Cabrio
2008-2015 Smart Fortwo Pure

Frequently Asked Questions

Feel Free To Ask Anything!

What payment methods do you accept for online purchases?

We accept all major credit cards, PayPal, Shop Pay, and Apple Pay for your convenience. Once your order ships, you'll receive a tracking number via email.

How long does shipping usually take?

In stock items typically ship in 24-48 hours. Out of stock items can take longer.

Can I return an item if I'm not satisfied?

Yes, we have a 30-day return period. You can view our Return & Refund Policy page for more details - Return & Refund Policy.

Do you offer gift cards?

Yes! They are the perfect gift for those times when you don't know exactly what to get or need something at the last minute. Great for any time of the year as well as those special occasions. Our Gift Cards come in $25, $50, $100, $250 and $500 denominations. And they never expire!

Visit our Gift Card page for more details - Gift Cards.

Can I track my order after it's been placed?

Yes. Once your order has shipped, you will be emailed the tracking information. Additionally, we will email you a delivery confirmation email once your order shows that it has been delivered.

What should I do if I receive a damaged item?

If your shipment is damaged, please reach out to our Customer Support team at 888-292-9012 or email us at info@everythingtruckparts.com. You may also contact us here - Contact Us.