【Important】--The manufactures of the vehicles changed their coils mid-year so your vehicle might need the UF271 (Square) or UF262 (Round) Coils depending on what month the vehicle was made in.Please check your oringnal coil type before you purchase.Important--Verify compatibility using our fitment list before purchasing. Confusion between similar ignition coils may lead to incorrect product selection. 【Vehicle Fitment-1】--Compatible with 2002-2005 Cadillac Escalade 5.3L V8,2002-2006 Cadillac Escalade 6.0L V8,2003-2006 Cadillac Escalade ESV 6.0L V8,2002-2006 Cadillac Escalade EXT 6.0L V8,2002-2006 Chevy Avalanche 1500 5.3L V8,2004 Chevy Avalanche 2500 8.1L V8,2003-2006 Chevy Express 1500 5.3L V8,2003-2005 Chevy Express 2500 4.8L V8,2003-2005 Chevy Express 2500 5.3L V8,2003-2005 Chevy Express 2500 6.0L V8,2004 Chevy Express 3500 4.8L V8,2003-2004 Chevy Express 3500 6.0L V8,2006 Chevy Monte Carlo 5.3L V8,1999-2006 Chevy Silverado 1500 4.8L V8,1999-2006 Chevy Silverado 1500 5.3L V8,2003-2006 Chevy Silverado 1500 6.0L V8,2007 Chevy Silverado 1500 Classic 4.8L V8 【Vehicle Fitment-2】--Compatible with 2007 Chevy Silverado 1500 Classic 5.3L V8,2007 Silverado 1500 Classic 6.0L V8,2001-2003 2005 Silverado 1500 HD 6.0L V8,1999-2000 Silverado 2500 5.3L V8,1999-2004 Silverado 2500 6.0L V8,2001-2007 Chevy Silverado 2500 HD 6.0L V8,2003 Chevy Silverado 2500 HD 8.1L V8,2007 Chevy Silverado 2500 HD Classic 8.1L V8,2001-2006 Chevy Silverado 3500 6.0L V8,2003-2004 Silverado 3500 8.1L V8,2007 Silverado 3500 Classic 6.0L V8,2007 Silverado 3500 HD 6.0L V8,2003-2004 SSR 5.3L V8,2000-2006 Suburban 1500 5.3L V8,2004 Suburban 2500 6.0L V8,2000-2006 Tahoe 4.8L V8,2000-2006 Tahoe 5.3L V8,03-04 Trailblazer EXT 5.3L V8,03-04 GMC Envoy XL 5.3L V8,2004 Envoy XUV 5.3L V8 【Vehicle Fitment-3】--Compatible with 03-05 Savana 1500 5.3L V8,03-05 Savana 2500 4.8L V8,03-05 Savana 2500 5.3L V8,03-05 Savana 2500 6.0L V8,03-05 Savana 3500 4.8L V8,03-05 Savana 3500 6.0L V8,99-06 Sierra 1500 4.8L V8,99-06 Sierra 1500 5.3L V8,2002 04-06 Sierra 1500 6.0L V8,07 Sierra 1500 Classic 6.0L V8,01 Sierra 1500 HD 6.0L V8,99-00 Sierra 2500 5.3L V8,03-04 Sierra 2500 6.0L V8,02-06 Sierra 2500 HD 6.0L V8,03-06 Sierra 3500 6.0L V8,03-04 Sierra 3500 8.1L V8,07 Sierra 3500 Classic 6.0L V8,07 Sierra 3500 Classic 6.6L V8,07 Sierra 3500 HD 6.0L V8,00-06 Yukon 4.8L V8,00-06 Yukon 5.3L V8,01-06 Yukon 6.0L V8,00-06 Yukon XL 1500 5.3L V8,04 06 Yukon XL 1500 6.0L V8,03-07 Hummer H2 6.0L V8 【Compatible Part Numbers】--C1208 D581 5C1083 E226 52-1618 IC400 12558693 H6T55171ZC UF-271.【Warranty】--Two Year Warranty. Please use enter your vehicle in your Amazon Garage above to see if this part is compatible with your vehicle

Compatible with 2002-2005 Cadillac Escalade 5.3L V8

2002-2006 Cadillac Escalade 6.0L V8

2003-2006 Cadillac Escalade ESV 6.0L V8

2002-2006 Cadillac Escalade EXT 6.0L V8

2002-2006 Chevy Avalanche 1500 5.3L V8

2004 Chevy Avalanche 2500 8.1L V8

2003-2006 Chevy Express 1500 5.3L V8

2003-2005 Chevy Express 2500 4.8L V8

2003-2005 Chevy Express 2500 5.3L V8

2003-2005 Chevy Express 2500 6.0L V8

2004 Chevy Express 3500 4.8L V8

2003-2004 Chevy Express 3500 6.0L V8

2006 Chevy Monte Carlo 5.3L V8

1999-2006 Chevy Silverado 1500 4.8L V8

1999-2006 Chevy Silverado 1500 5.3L V8

2003-2006 Chevy Silverado 1500 6.0L V8

2007 Chevy Silverado 1500 Classic 4.8L V8

2007 Chevy Silverado 1500 Classic 5.3L V8

2007 Chevy Silverado 1500 Classic 6.0L V8

2001-2003 2005 Chevy Silverado 1500 HD 6.0L V8

1999-2000 Chevy Silverado 2500 5.3L V8

1999-2004 Chevy Silverado 2500 6.0L V8

2001-2007 Chevy Silverado 2500 HD 6.0L V8

2003 Chevy Silverado 2500 HD 8.1L V8

2007 Chevy Silverado 2500 HD Classic 8.1L V8

2001-2006 Chevy Silverado 3500 6.0L V8

2003-2004 Chevy Silverado 3500 8.1L V8

2007 Chevy Silverado 3500 Classic 6.0L V8

2007 Chevy Silverado 3500 HD 6.0L V8

2003-2004 Chevy SSR 5.3L V8

2000-2006 Chevy Suburban 1500 5.3L V8

2004 Chevy Suburban 2500 6.0L V8

2000-2006 Chevy Tahoe 4.8L V8

2000-2006 Chevy Tahoe 5.3L V8

2003-2004 Chevy Trailblazer EXT 5.3L V8

2003-2004 GMC Envoy XL 5.3L V8

2004 GMC Envoy XUV 5.3L V8

2003-2005 GMC Savana 1500 5.3L V8

2003-2005 GMC Savana 2500 4.8L V8

2003-2005 GMC Savana 2500 5.3L V8

2003-2005 GMC Savana 2500 6.0L V8

2003-2005 GMC Savana 3500 4.8L V8

2003-2005 GMC Savana 3500 6.0L V8

1999-2006 GMC Sierra 1500 4.8L V8

1999-2006 GMC Sierra 1500 5.3L V8

2002 2004-2006 GMC Sierra 1500 6.0L V8

2007 GMC Sierra 1500 Classic 6.0L V8

2001 GMC Sierra 1500 HD 6.0L V8

1999-2000 GMC Sierra 2500 5.3L V8

2003-2004 GMC Sierra 2500 6.0L V8

2002-2006 GMC Sierra 2500 HD 6.0L V8

2003-2006 GMC Sierra 3500 6.0L V8

2003-2004 GMC Sierra 3500 8.1L V8

2007 GMC Sierra 3500 Classic 6.0L V8<