✔Compatible with: For Isuzu: 03-08 Ascender 4.2L丨2006 Ascender 5.3L丨2006 I-280 2.8L丨07-08 I-290 2.9L丨2006 I-350 3.5L丨07-08 I-370 3.7L. For GMC: 04-06 GMC Canyon 2.8L 3.5L丨02-05 GMC Envoy /Envoy XL/ Envoy XUV 4.2L. For Chevy: 04-6 Colorado 2.8L 3.5L丨02-05 Trailblazer/Trailblazer EXT 4.2L. For 2004-2005 Buick Rainier 4.2L. For Hummer H3 3.5L 2006. For Oldsmobile Bravada 4.2L 2002-2004. For Saab 9-7X 4.2L 2005-2009. Please see the second main picture for more vehicles before purchase.
✔Excellent Function: A faulty ignition coil & spark plug may result in engine misfire, rough engine idle, decrease in power, poor fuel economy etc. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability, to provide superior cold-start performance and a smoother running engine.
✔High-quality: The spark plug is double iridium spark plug, have a much longer working life, can work 100000 kilometers, consistent and stable spark. The ignition coil made of premium quality materials, stainless-steel spring with internal ferrite noise suppressor prevents radiofrequencyinterference, advanced thermoplastic coilconnector ensures proper connectionand resists fractures causedby heat and thermai cycling, to better transfer the high voltage created by the engine‘s spark plug.
✔After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us.