[Attention Note]: It fits the model with Round Coil only, not fits Square Coil [Vehicle Fitment-1]: Compatible with Cadillac Escalade/Escalade EXT 2002-2006, Escalade ESV 2003-2006; Compatible with Chevrolet Express 1500/2500 2003-2006, Silverado 1500 1999-2001/2003-2006, Monte Carlo 2006, SSR/Trailblazer EXT 2003-2004, Silverado 1500/2500 HD Classic 2007, Suburban 1500/2500/Tahoe 2000-2006, Avalanche 1500/Silverado 1500 2002-2006, Express 3500 2004 [Vehicle Fitment-2]: Compatible with GMC Savana 2500/3500 2003-2005, Sierra 1500 1999-2006/2001-2006, Sierra 1500/3500 Classic 2007, Envoy XUV/Savana 2500 2004, Envoy XL 2003-2004, Sierra 1500 HD/ 3500 2001-2003, Sierra 1500/2500 HD Classic 2007, Yukon/Yukon XL 2000-2006, Sierra 1500 HD 2005-2006, Sierra 2500 HD 2001-2007; Compatible with Hummer H2 2003-2007 [Reference Number]: UF271, 12556893, 12558693, 12570553, 19355500, 3859078, 38590782, D581, 3186, TR5GP [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted ignition coils and spark plugs kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind. A-premium Ignition Coil Packs are an ideal choice to replace your broken Ignition Coil Packs. All Ignition Coil Packs meet or exceed OEM specifications. Due to high manufacturing standard, it will come with one year quality guarantee.

Compatible with Cadillac Models:
Escalade 2002-2005 V8 5.3L
Escalade/Escalade EXT 2002-2006 V8 6.0L
Escalade ESV 2003-2006 V8 6.0L

Compatible with Chevrolet Models:
Avalanche 1500 2002-2006 V8 5.3L
Express 1500 2003-2006 V8 5.3L
Express 2500 2003-2005 V8 4.8L/V8 5.3L/V8 6.0L
Express 3500 2003-2004 V8 4.8L/V8 6.0L
Silverado 1500 1999-2001 V8 4.8L/V8 5.3L
Silverado 1500 2003-2006 V8 6.0L
Silverado 1500 Classic 2007 V8 4.8L/V8 5.3L/V8 6.0L
Silverado 1500 HD 2001-2003 V8 6.0L
Silverado 1500 HD Classic/Silverado 2500 HD Classic/Silverado 3500 Classic/Silverado 3500 HD 2007 V8 6.0L
Silverado 2500 1999-2004 V8 5.3L/V8 6.0L
Silverado 2500 HD 2001-2007 V8 6.0L
Silverado 3500 2001-2006 V8 6.0L

Compatible with GMC Models:
Savana 1500 2003-2005 V8 5.3L
Savana 2500 2003-2005 V8 4.8L/V8 5.3L/V8 6.0L
Savana 3500 2003-2005 V8 4.8L/V8 6.0L
Sierra 1500 1999-2006 V8 4.8L/V8 5.3L/V8 6.0L
Sierra 1500 Classic 2007 V8 6.0L
Sierra 1500 HD 2001-2003 V8 6.0L
Sierra 2500 1999-2004 V8 5.3L/V8 6.0L
Sierra 3500 2001-2003 V8 6.0L

Compatible with Hummer Models:
H2 2003-2007 V8 6.0L

OEM Number: UF271, 12556893, 12558693, 12570553, 19355500, 3859078, 38590782, D581, 3186, TR5GP
Quantity Sold: A Set of Eight Pieces
Note: It fits Square Coil only, doesn't fit Round Coil