Pack of 6 Ignition Coils for Chevy - Trailblazer - Envoy - Rainer- Colorado - Canyon - Isuzu - Chevrolet GMC Olds Saab UF303 C1395 UF-303 DIRECT REPLACEMENT/ UPGRADE over your original stock coils. We only use the highest grade materials. This makes our product durable and reliable under extreme conditions while providing High Electrical Resistance, strong Spark from plugs, and being resistant to Corrosion and Abrasion IGNITION COILS for, but not limited to 2.8L, 2.9L, 3.5L, 4.2L engine displacements, Buick Rainer 2004 to 2005, Chevrolet Trailblazer 2002 to 2005, Colorado 2004 to 2006, GMC Canyon 2004 to 2006, Envoy 2002 to 2005, Envoy XL 2002 to 2005, Envoy XUV 2004 to 2005, Hummer H3 2006, Isuzu Ascender 2003 to 2005, I-280 2006, I-290 2007 to 2008, I-350 2006, I-370 2007 to 2008, Oldsmobile Bravada 2002 to 2004, Saab 9-7X 2005 and 2009 Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, and Saab owners please check fitment bar and description before you BUY IT as the ignition coil pack can change based on the year/ month of manufacture of your vehicle Compatible Part Numbers: E255, Ic414, 12568062, E255, 52-1743, GN10114, IC414, 12568062, UF-303, 19300921, DW01659, 8-12568-062-0 Lifetime Warranty 2004 - 2005 Buick Rainier 2002 - 2005 Chevrolet TrailBlazer 2002 - 2005 Chevrolet TrailBlazer EXT 2002 - 2005 GMC Envoy 2002 - 2005 GMC Envoy XL 2004 - 2005 GMC Envoy XUV 2003 - 2005 Isuzu Ascender 2005 SAAB 9-7X 2009 SAAB 9-7X 2002 - 2004 Oldsmobile Bravada 2004 - 2006 Chevrolet Colorado 3.5L 2004 - 2006 GMC Canyon 3.5L 2006 Hummer H3 3.5L 2006 Isuzu i-350 3.5L 2007 Isuzu i-370 3.7L 2008 Isuzu i-370 3.7L 2004 - 2006 Chevrolet Colorado 2.8L 2004 - 2006 GMC Canyon 2.8L 2006 Isuzu i-280 2.8L 2007 Isuzu i-290 2.9L 2008 Isuzu i-290 2.9L Eliminate misfire Direct installation into vehicle Increase horsepower Stronger throttle response Durable as they come Custom-made for the road Fit OE equipment with ease Tested in real life situations Most coils comepre-greased