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Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114 in Saudi Arabia

Iridium Spark Plugs Set of 6 Compatible with 2014-2021 Chevy Silverado 1500 4.3 V6 GMC Sierra,Chevrolet Trailblazer GMC Envoy 4.2 2002 2003 2004 2005 2006 2007 2008 2009#91418,12622441,41-114

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Special Features

  • Vehicle Fitment-1:Spark plugs for Buick​ 2004-2007 Rainier 4.2l; for Chevy​ 2018-2020 Express 2500 4.3l, 2018-2020 Express 3500 4.3l, 2014-2021 Silverado 1500 4.3l, 2002-2009 Trailblazer 4.2l, 2002-2006 Trailblazer EXT 4.2l; for GMC​ 2002-2009 Envoy 4.2l, 2002-2006 Envoy XL 4.2l, 2004-2005 Envoy XUV 4.2l, 2018-2020 Savana 2500 3500 4.3l, 2014-2021 Sierra 1500 4.3l; for Isuzu​ 2003-2008 Ascender 4.2l; for Oldsmobile​ 2002-2004 Bravada 4.2l; for Saab​ 2005-2009 9-7x 4.2l
  • Reference Number:Set of 6 Iridium Spark Plugs OE: 91418, ILTR5E11, 12598004, 41-114, 12622441, 41-103, ILTR5B11, 3474, AI3923, XP3923, 12625058.(Note!!: The heat range of a spark plug affects heat dissipation. A high-heat-range spark plug of the same model can be used as a replacement for a low-heat-range spark plug, but it is recommended that the difference in heat range be less than 1.)
  • Before buying spark plugs, use "amazonconfirmedfit" fit tool to confirm compatibility. Check thread size and heat range; incorrect specs can harm your engine. Note electrode material (e.g., nickel, platinum, iridium) for longevity. Upon receipt, match the new plug to the old one for thread length and electrode shape. Before installing, clean the area and tighten with a torque wrench to your vehicle manual's specs. Proper fit and installation are crucial for performance and safety.
  • KacuYelin is manufacturer with mature and modernized parts production line,manufactured in TS16949 certified facilities. After layers of research and development and testing,insisting on good products to serve public and upholding principle that users are happy to use and drive with peace of mind. If you have any questions,welcome to communicate with us,we will be happy to help you solve your problems.
  • Our spark plugs undergo rigorous quality testing to effectively address a range of common ignition system issues,such as backfire,misfire,stall,vehicle shaking,engine jerking,unstable idling,and excessive fuel consumption,while also optimizing engine performance. By ensuring the stability and reliability of the spark plug's high-voltage output,our products deliver superior performance across the engine's entire speed range.

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