New, open box parts

【Fits Vehicles 】Compatible with Chevy Models 2002-2006 Avalanche 1500 5.3L, 2005 Avalanche 2500 8.1L, 2003-2006 Express 1500 5.3L, 2003-2005 Express 2500 4.8L/5.3L/6.0L, 2004 Express 3500 4.8L, 2003-2004 Express 3500 6.0L, 2006 Monte Carlo 5.3L, 1999-2006 Silverado 1500 4.8L/5.3L, 2003-2006 Silverado 1500 6.0L, 2007 Silverado 1500 Classic 4.8L/5.3L/6.0L, 2001-2003 Silverado 1500 HD 6.0L, 2005-2006 Silverado 1500 HD 6.0L, 1999-2000 Silverado 2500 5.3L, 1999-2004 Silverado 2500 6.0L, 2001-2007 Silverado 2500 HD 6.0L, 2003-2006 Silverado 2500 HD 8.1L,2007 Silverado 2500 HD Classic 6.0L

【Fits Vehicles 】Compatible with GMC Models 2003-2004 Envoy XL 5.3L, 2003-2005 Savana 1500/2500/3500 4.8L/5.3L/ 6.0L, 1999-2006 Sierra 1500 4.8L/5.3L, 2001-2006 Sierra 1500 6.0L, 2007 Sierra 1500 Classic 6.0L, 2001-2003 Sierra 1500 HD 6.0L, 2005-2006 Sierra 1500 HD 6.0L, 2007 Sierra 1500 HD Classic 6.0L, 1999-2000 Sierra 2500 5.3L, 1999-2004 Sierra 2500 6.0L, 2001-2007 Sierra 2500 HD 6.0L, 2007 Sierra 2500 HD Classic 6.0L, 2001-2006 Sierra 3500 6.0L, 2007 Sierra 3500 Classic/HD 6.0L, 2000-2006 Yukon 4.8L/5.3L, 2001-2006 Yukon 6.0L, 2000-2006 Yukon XL 1500/2500 5.3L/6.0L, 2001-2006 Yukon XL 1500 6.0L

【Fits Vehicles 】Compatible with CadillacHummer Models 2002-2005 Escalade 5.3L, 2004-2005 Escalade 6.0L, 2003-2005 Escalade EXT 6.0L, 2003-2007 Hummer H2 6.0L

【Replace Part Number】Ignition coil :UF271 D581 12556893 12558693 12570553 3859078 392889925 38590782. Spark plugs: 19299585 41-962 APP5243 3784 PT16TT PTR5D-10. Wires : M8-48322R 9059 9748HH 9748UU 9748RR 88862385.