Vehicle Fitment-1: Spark Plugs and Wires Set Compatible with Chevy Silverado 1500 1999-2006 V8 4.8L, 1999-2006 V8 5.3L, 2003 2004 2005 2006 V8 6.0L, Silverado 1500 Classic 2007 V8 4.8L, 2007 V8 5.3L, 2007 V8 6.0L, Silverado 1500 HD 2001-2006 V8 6.0L, 2007 V8 6.0L, Silverado 2500 1999-2004 V8 5.3L, 1999-2004 V8 6.0L, Silverado 2500 HD 2001 2002 2003 2004 2005 2006 V8 6.0L, 2007 V8 8.1L, Silverado 3500 2001-2006 V8 6.0L, 2007 V8 6.0L, Tahoe 2000-2006 V8 4.8L, 2000-2006 V8 5.3L, Suburban 1500 2000-2006 V8 5.3L, Suburban 2500 2000-2006 V8 6.0L, Avalanche 1500 2002-2006 V8 5.3L Vehicle Fitment-2: Spark Plugs and Wires Compatible with GMC Sierra 1500 1999-2007 V8 4.8L, 1999-2006 V8 5.3L, 2002-2007 V8 6.0L, 2007 V8 5.3L, Sierra 1500 HD 2001-2006 V8 6.0L, 2007 V8 6.0L, Sierra 2500 1999-2004 V8 5.3L, 1999-2004 V8 6.0L, Sierra 2500 HD 2001-2006 V8 6.0L, 2007 V8 6.0L, Sierra 3500 2001-2005 V8 6.0L, 2007 V8 6.0L, Yukon 2000-2006 V8 5.3L, 2001-2006 V8 4.8L, 2001-2006 V8 6.0L, Yukon XL 1500 2000-2006 V8 5.3L, 2005 2006 V8 6.0L, Yukon XL 2500 2001-2006 V8 6.0L. Automotive Replacement Spark Plugs and Wires Compatible with Cadillac Escalade 2002-2005 V8 5.3L, 2002-2006 V8 6.0L, Escalade ESV 2003-2006 V8 6.0L, Escalade EXT 2002-2006 V8 6.0L Reference Number: Spark Plugs Replacement for 41962 19299585 41-962. Spark Plug Wires Replacement for 88894394 19417607. ENA Sparkplugs and Wire Sets feature durable materials and a plug-and-play design for easy installation with multi-vehicle compatibility for 1999 2000 2001 2002 2003 2004 2005 2006 2007 Silverado 1500 Silverado 1500 Classic Silverado 1500 HD Silverado 2500 Silverado 2500 HD Silverado 3500 Tahoe Suburban 1500 Suburban 2500 Avalanche 1500 Sierra 1500 Sierra 1500 HD Sierra 2500 Sierra 2500 HD Sierra 3500 V8 4.8L 5.3L 6.0L 8.1L Specifications: Sparkplugs: 1. Center Electrode Tip Material: Platinum; 2. Gap Size (IN): 0.039; 3. Hex Size (IN): 0.63; 4. Thread Diameter (MM): 14. Spark Plug Wire: 1. Core Material: Wire Wound Core; 2. Insulation Material: Silicone; 3. Wire Diameter (MM): 8 mm; 4. Insulation Color: Red. The ENA Spark Plug Wires utilize highly conductive materials to ensure stable current conduction, enhancing engine ignition efficiency Package Content: Set of 8 Platinum Sparks Plugs and 8 Red Wires Set; 12-Month Warranty. Please use the Amazon Confirmed Fit function and enter your vehicle information for a correct compatibility Spark Plug and Wire Set Compatible with Chevrolet Silverado 1500 1999-2006 4.8L V8, 1999-2006 5.3L V8, 2003-2006 6.0L V8, Silverado 1500 Classic 2007 4.8L V8, 2007 5.3L V8, 2007 6.0L V8, Silverado 1500 HD 2001-2006 6.0L V8, 2007 Classic 6.0L V8, Silverado 2500 1999-2000 5.3L V8, 1999-2004 6.0L V8, Silverado 2500 HD 2001-2006 6.0L V8, 2007 Classic 8.1L V8, Silverado 3500 2001-2006 6.0L V8, 2007 Classic 6.0L V8, Suburban 1500 2000-2006 5.3L V8, Suburban 2500 2000-2006 6.0L V8, Tahoe 2000-2006 4.8L V8, 2000-2006 5.3L V8, Avalanche 1500 2002-2006 5.3L V8. Spark Plugs and Wires Compatible with GMC Sierra 1500 1999-2007 4.8L V8, 1999-2006 5.3L V8, 2002-2007 6.0L V8, 2007 Classic 5.3L V8, Sierra 1500 HD 2001-2006 6.0L V8, 2007 Classic 6.0L V8, Sierra 2500 1999 5.3L V8, 1999-2004 6.0L V8, Sierra 2500 HD 2001-2006 6.0L V8, 2007 Classic 6.0L V8, Sierra 3500 2001-2005 6.0L V8, 2007 Classic 6.0L V8, Yukon 2001-2006 4.8L V8, 2000-2006 5.3L V8, 2001-2006 6.0L V8, Yukon XL 1500 2000-2006 5.3L V8, 2005-2006 6.0L V8, Yukon XL 2500 2001-2006 6.0L V8. Automotive Replacement Spark Plugs and Wires Compatible with Cadillac 2002 Escalade 5.3L V8, 2003 Escalade 5.3L V8, 2004 Escalade 5.3L V8, 2005 Escalade 5.3L V8, 2002 Escalade 6.0L V8, 2003 Escalade 6.0L V8, 2004 Escalade 6.0L V8, 2005 Escalade 6.0L V8, 2006 Escalade 6.0L V8, 2003 Escalade ESV 6.0L V8, 2004 Escalade ESV 6.0L V8, 2005 Escalade ESV 6.0L V8, 2006 Escalade ESV 6.0L V8, 2002 Escalade EXT 6.0L V8, 2003 Escalade EXT 6.0L V8, 2004 Escalade EXT 6.0L V8, 2005 Escalade EXT 6.0L V8, 2006 Escalade EXT 6.0L V8. Sparkplugs and Wires Set Compatible with Hummer 2003 H2 6.0L V8, 2004 H2 6.0L V8, 2005 H2 6.0L V8, 2006 H2 6.0L V8