Wide Compatibility: Fits for GMC Canyon/Envoy/Savana/Sierra/Yukon 1999-2018.Fits for Chevrolet Avalanche/Camaro/Corvette/Express/Silverado/Suburban/Tahoe/Trailblazer 1997-2016.Fits for Buick Allure/Lacrosse/Rainier 2004-2009.Fits for Cadillac Cts/Escalade 2002-2014.Fits for Hummer H2/H3/H3t 2003-2010.Fits for Isuzu Ascender 2003-2006.Fits for Pontiac Firebird/G8/Grand Prix/Gto 1998-2009.Fits for Saab 9-7x 2005-2009
Replacement Part Number: Replace 41-110 12621258 12680072 41-985, 41-962 12609877 12571164. Please confirm the model year carefully before purchasing, so as not to delay your use
Longer Service Life: The use of double iridium material, with excellent heat resistance, corrosion resistance, compared with copper-nickel, more wear-resistant, more effective conduction of current, longer service life, can continue to work up to 100,000 kilometers
Excellent Performance: The fine Iridium tip design enables fuller combustion, faster start, better fuel economy and lower emissions, improved ignition performance and smoother engine operation
Easy Installation: The spark plug is standard size and design, easy to install, no professional skills or tools, saving time