ECCPP UF271 8 ignition coils with 8 iridium Spark Plugs for Cadillac Chevy for GMC Escalade Avalanche Silverado Suburban Tahoe Topkick Savanna Sierra Yukon 4.8L 5.3L 6.0L 8.1L 12558693 H6t55171zc

Compatibility: for Cadillac for Chevrolet for GMC for Hummer 2002-2006 Escalade; 2002-2006 Avalanche 1500; 2003-2006 Avalanche 2500; 2003-2006 Express 1500; 2003-2005 Express 2500; 2003-2004 Express 3500; 1999-2006 Silverado 1500; 1999-2007 Silverado 2500; 2001-2007 Silverado 3500; 2003-2004 Sonora; 2000-2006 Suburban 1500; 2000-2006 Suburban 2500; 2000-2006 Tahoe; 2003-2004 Trailblazer; 2003-2005 Savana 1500/2500/3500; 1999-2007 Sierra 1500/2500; 2001-2007 Sierra 3500; 2000-2006 Yukon/XL Replace OEM Part Number:UF271, 5C1083, GN10298, D581, 6737000,12556893, 12558693, 12570553, 385907838590782, 392889925, D581, CUF271, C561, C1208C1251, 19355500, 1AMIC00033, 250253, 8125586930 Premium Quality & Long Lifespan: ECCPP coils and spark plugs are built to achieve or exceed OE specifications, enhanced reliability and high performance. High conductive copper wire & high dielectric performance epoxy, Precise, corrosion-resistant connections ensure excellent electrical connectivity and lead to a long service life. Enhanced Coil and Spark Plug: Upgrade 15% more energy than OE coils and improve engine performance. The ignition coils provide spark for your engine. Over time your factory ignition coil and plugs will fail leading to poor gas mileage, misfire, hesitation, check engine light (CEL) and VSC warning lights, please replace your coils and plugs together to provide superior cold-start performance and a smoother running engine. Other Service:12-MONTH-WARRANTY;Please please check the fitment before make a decision.(Use enter your vehicle in your WALMART Garage above to see if this part is compatible with your vehicle)