NGK Iridium IX Spark Plugs

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Our top-grade Spark Plugs are the key to igniting your ride. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

Click to Learn MoreClick to Learn More
Select Your Vehicle

Filter By Part Details
View as Grid List

Items 145-192 of 4765

Set Ascending Direction
  1. NGK Iridium IX
    6 pc NGK Iridium IX 2669 BKR9EIX Spark Plugs
    Special Price $47.20 Regular Price $66.99
  2. NGK Iridium IX
    4 pc NGK Iridium IX 2707 BR9ECMIX Spark Plugs
    Rating:
    100%
    Special Price $49.52 Regular Price $70.99
  3. 6 pc NGK Iridium IX Spark Plugs for 2013-2017 Ram 1500 3.6L V6
    6 pc NGK Iridium IX Spark Plugs for 2013-2017 Ram 1500 3.6L V6
    Special Price $50.81 Regular Price $72.99
  4. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2001-2005 Lexus IS300 3.0L L6
    Special Price $51.26 Regular Price $72.99
  5. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2000-2002 Audi S4 2.7L V6
    Special Price $51.26 Regular Price $72.99
  6. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1994-2000 Lexus GS300 3.0L L6
    Special Price $51.26 Regular Price $72.99
  7. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1992-2005 BMW 325i 2.5L L6
    Rating:
    100%
    Special Price $52.31 Regular Price $74.99
  8. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1997-2003 Volkswagen EuroVan 2.8L V6
    Rating:
    100%
    Special Price $52.31 Regular Price $74.99
  9. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2011-2017 Chrysler 200 3.6L V6
    Special Price $52.53 Regular Price $74.99
  10. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2007-2015 Lexus RX350 3.5L V6
    Rating:
    100%
    Special Price $52.53 Regular Price $74.99
  11. NGK Iridium IX
    8 pc NGK Iridium IX 5686 DR7EIX Spark Plugs
    Special Price $59.51 Regular Price $84.99
  12. NGK Iridium IX
    8 pc NGK Iridium IX 7355 XR5IX Spark Plugs
    Special Price $60.31 Regular Price $85.99
  13. NGK Iridium IX
    8 pc NGK Iridium IX 2669 BKR9EIX Spark Plugs
    Special Price $61.27 Regular Price $87.99
  14. NGK Iridium IX
    8 pc NGK Iridium IX 5464 BKR5EIX-11 Spark Plugs
    Special Price $61.27 Regular Price $87.99
  15. NGK Iridium IX
    8 pc NGK Iridium IX 7189 XR4IX Spark Plugs
    Special Price $60.31 Regular Price $61.55
  16. NGK Iridium IX
    8 pc NGK Iridium IX Spark Plugs for 2011-2019 Ford Mustang 5.0L 5.2L V8
    Rating:
    80%
    Special Price $66.57 Regular Price $94.99
  17. NGK Iridium IX
    8 pc NGK Iridium IX Spark Plugs for 2005-2015 Nissan Armada 5.6L V8
    Rating:
    87%
    Special Price $66.87 Regular Price $95.99
  18. NGK Iridium IX
    8 pc NGK Iridium IX Spark Plugs for 2004-2009 Audi S4 4.2L V8
    Special Price $67.93 Regular Price $96.99
  19. NGK Iridium IX
    16 pc NGK Iridium IX Spark Plugs for 2009-2020 Jeep Grand Cherokee 5.7L V8
    Rating:
    93%
    Special Price $129.27 Regular Price $184.99
  20. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2005-2008 Chrysler Pacifica 3.8L V6
    Rating:
    100%
    Special Price $51.48 Regular Price $73.99
  21. NGK Iridium IX
    4 pc NGK Iridium IX Spark Plugs for 2010-2017 GMC Terrain 2.4L L4
    Special Price $35.94 Regular Price $50.99
  22. NGK Iridium IX
    4 pc NGK Iridium IX 6509 LTR6IX-11 Spark Plugs
    Special Price $32.46 Regular Price $45.99
  23. NGK Iridium IX
    4 pc NGK Iridium IX Spark Plugs for 1997-1998 Honda CR-V 2.0L L4
    Special Price $35.94 Regular Price $50.99
  24. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2002-2012 Jeep Liberty 3.7L V6
    Special Price $52.31 Regular Price $74.99
  25. NGK Iridium IX
    NGK Iridium IX 2202 DPR8EIX-9 Spark Plug
    Special Price $7.71 Regular Price $10.99
Page
per page

Whether you are looking for a long-lasting performance spark plug, or one for everyday use, Sixity has the NGK, DENSO, and Champion spark plugs you need, at prices you will not find anywhere else.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
© 2022 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.