NOTE: There are 2 different types of coils that could fit your vehicle. Ours is the ROUND (UF262), not the SQUARE (UF271). Please double check for the fitment details in the descriptions and part number, and verify that your original coils are of the round type before purchasing Vehicle Fitment-1: Coil Packs and Spark Plugs Compatible with Chevy Silverado 1500 1999-2006 V8 4.8L, Silverado 1500 1999-2006 V8 5.3L, Silverado 1500 2003-2006 V8 6.0L, Silverado 1500 HD 2002-2003 V8 6.0L, Silverado 2500 1999-2004 V8 6.0L, Silverado 2500 HD 2001-2006 V8 6.0L, Silverado 3500 2001-2006 V8 6.0L, Suburban 1500 2000-2006 V8 5.3L, Suburban 2500 2000-2006 V8 6.0L, Tahoe 2000-2006 V8 4.8L, Avalanche 1500 2002-2006 V8 5.3L, Express 1500 2003-2007 V8 5.3L Vehicle Fitment-2: Spark Plugs Wires and Coil Packs Kit Compatible with GMC Sierra 1500 1999-2006 V8 4.8L, Sierra 1500 2002-2006 V8 6.0L, Sierra 1500 HD 2001-2003 V8 6.0L, Sierra 1500 HD 2005-2006 V8 6.0L, Sierra 2500 HD 2001-2007 V8 6.0L, Sierra 3500 2003-2006 V8 6.0L, Yukon 2000-2006 V8 4.8L, Yukon 2000-2006 V8 5.3L, Yukon XL 1500 2000-2006 V8 5.3L, Savana 1500 2003-2007 V8 5.3L, Savana 2500 2003-2007 V8 4.8L, Savana 2500 2005-2007 V8 6.0L, Savana 3500 2003-2007 V8 4.8L Reference Number: Ignition Coil Replacement for UF-262 UF262 D585 10457730 19005218 12563293 8104577300 610-02839 8125731900 12573190 C1512. Spark Plugs Replacement for 41962 APP5243. Spark Plug Wires Replacement for 758EE 19431551 748UU. ENA Spark Plugs and Wires Set and Ignition Coils feature durable materials and a plug-and-play design for easy installation with multi-vehicle compatibility for 1999-2007 Silverado Suburban Tahoe Avalanche Express Sierra Yukon Savana 1500 2500 3500 Escalade EXT H2 4.8L 5.3L 6.0L V8 Specifications: Coil Pack: 1. Terminal Quantity: 4; 2. Mount Type: Bolt On; 3. Mounting Location: Valve Cover; 4. Voltage: 12V. Spark Plug: 1. Center Electrode Tip Material: Platinum; 2. Gap Size (IN): 0.039; 3. Hex Size (IN): 5/8; 4. Thread Diameter (MM): 14. Spark Plug Wire: 1. Core Material: Nickel chromium wire winding; 2. Insulation Material: Silicone Rubber; 3. Wire Diameter (MM): 8 mm; 4. Insulation Color: Black Package Content: Set of 8 Round Ignition Coils Pack and 8 Platinum Spark Plugs with 8 Spark Plug Wires Set; 12-Month Warranty. Please use the Amazon Confirmed Fit function and enter your vehicle information for a correct compatibility Ignition Coils and Spark Plugs Set Compatible with Chevrolet 1999 Silverado 1500 4.8L V8, 2000 Silverado 1500 4.8L V8, 2001 Silverado 1500 4.8L V8, 2002 Silverado 1500 4.8L V8, 2003 Silverado 1500 4.8L V8, 2004 Silverado 1500 4.8L V8, 2005 Silverado 1500 4.8L V8, 2006 Silverado 1500 4.8L V8, 1999 Silverado 1500 5.3L V8, 2000 Silverado 1500 5.3L V8, 2001 Silverado 1500 5.3L V8, 2002 Silverado 1500 5.3L V8, 2003 Silverado 1500 5.3L V8, 2004 Silverado 1500 5.3L V8, 2005 Silverado 1500 5.3L V8, 2006 Silverado 1500 5.3L V8, 2003 Silverado 1500 6.0L V8, 2004 Silverado 1500 6.0L V8, 2005 Silverado 1500 6.0L V8, 2006 Silverado 1500 6.0L V8, 2002 Silverado 1500 HD 6.0L V8, 2003 Silverado 1500 HD 6.0L V8, 2005 Silverado 1500 HD 6.0L V8, 2006 Silverado 1500 HD 6.0L V8, 1999 Silverado 2500 5.3L V8, 2000 Silverado 2500 5.3L V8, 1999 Silverado 2500 6.0L V8, 2000 Silverado 2500 6.0L V8, 2001 Silverado 2500 6.0L V8, 2002 Silverado 2500 6.0L V8, 2003 Silverado 2500 6.0L V8, 2004 Silverado 2500 6.0L V8, 2001 Silverado 2500 HD 6.0L V8, 2002 Silverado 2500 HD 6.0L V8, 2003 Silverado 2500 HD 6.0L V8, 2004 Silverado 2500 HD 6.0L V8, 2005 Silverado 2500 HD 6.0L V8, 2006 Silverado 2500 HD 6.0L V8, 2001 Silverado 3500 6.0L V8, 2002 Silverado 3500 6.0L V8, 2003 Silverado 3500 6.0L V8, 2004 Silverado 3500 6.0L V8, 2005 Silverado 3500 6.0L V8, 2006 Silverado 3500 6.0L V8, 2000 Suburban 1500 5.3L V8, 2001 Suburban 1500 5.3L V8, 2002 Suburban 1500 5.3L V8, 2003 Suburban 1500 5.3L V8, 2004 Suburban 1500 5.3L V8, 2005 Suburban 1500 5.3L V8, 2006 Suburban 1500 5.3L V8, 2000 Suburban 2500 6.0L V8, 2001 Suburban 2500 6.0L V8, 2002 Suburban 2500 6.0L V8, 2003 Suburban 2500 6.0L V8, 2004 Suburban 2500 6.0L V8, 2005 Suburban 2500 6.0L V8, 2006 Suburban 2500 6.0L V8, 2000 Tahoe 4.8L V8, 2001 Tahoe 4.8L V8, 2002 Tahoe 4.8L V8, 2003 Tahoe 4.8L V8, 2004 Tahoe 4.8L V8, 2005 Tahoe 4.8L V8, 2006 Tahoe 4.8L V8, 2000 Tahoe 5.3L V8, 2001 Tahoe 5.3L V8, 2002 Tahoe 5.3L V8, 2003 Tahoe 5.3L V8, 2004 Tahoe 5.3L V8, 2005 Tahoe 5.3L V8, 2006 Tahoe 5.3L V8, 2002 Avalanche 1500 5.3L V8, 2003 Avalanche 1500 5.3L V8, 2004 Avalanche 1500 5.3L V8, 2005 Avalanche 1500 5.3L V8, 2006 Avalanche 1500 5.3L V8, 2003 Express 1500 5.3L V8, 2004 Express 1500 5.3L V8, 2005 Express 1500 5.3L V8, 2006 Express 1500 5.3L V8, 2007 Express 1500 5.3L V8, 2003 Express 2500 4.8L V8, 2004 Express 2500 4.8L V8, 2005 Express 2500 4.8L V8, 2006 Express 2500 4.8L V8, 2007 Express 2500 4.8L V8, 2003 Express 2500 6.0L V8, 2004 Express 2500 6.0L V8, 2005 Express 2500 6.0L V8, 2006 Express 2500 6.0L V8, 2004 Express 3500 4.8L V8, 2005 E