【Fitment】Set of 8 ignition coil compatible with Chevy GMC Chevrolet Silverado 1500 2500 3500 Tahoe Suburban Express Sierra Savana Yukon Escalade Avalanche Envoy V8 4.8L 5.3L 6.0L. Please scroll down to product description for complete list of model and year 【Compatible Part Numbers】Coil packs compatible to C1251, D585, 5C1082, E254, E254P, 52-1647, GN10119, IC413, 10457730, 19005218, 8-10457-730-0, UF-262 【Premium Quality】All of the ignition coils are built to achieve or exceed OE specifications, subject to strict quality control testing,offer the best possible performance and dependability 【Coils Features】The ignition coils are easy to install,installed with the original chip to enhance the heat resistance, wear resistance and corrosion resistance of each coil. Thereby reducing the common problems of ignition coil misfire, long starting time, poor fuel economy, insufficient power, etc 【Precautions for Purchase】Please confirm the compatibility according to the year/make/model of your vehicle and the OE number of the replaceable part

Compatible with Chevrolet Models:

2003-2007 Express 2500 4.8L

2005-2007 Express 3500 4.8L

1999-2006 Silverado 1500 4.8L

2000-2006 Tahoe 4.8L

2002-2006 Avalanche 1500 5.3L

2003-2007 Express 1500 5.3L

2003-2005 Express 2500 5.3L

2003-2007 Express 3500 5.3L

1999-2006 Silverado 1500 5.3L

2004-2006 Silverado 3500 5.3L

2000-2006 Suburban 1500 5.3L

2000-2006 Tahoe 5.3L

2003-2007 Express 2500 6.0L

2003-2007 Express 3500 6.0L

2003-2006 Silverado 1500 6.0L

2001-2007 Silverado 1500 HD 6.0L

1999-2004 Silverado 2500 6.0L

2001-2006 Silverado 2500 HD 6.0L

2001-2006 Silverado 3500 6.0L

2000-2006 Suburban 2500 6.0L

Compatible with GMC Models:

2003-2007 Savana 2500 4.8L

2004-2007 Savana 3500 4.8L

1999-2006 Sierra 1500 4.8L

2000-2006 Yukon 4.8L

2003-2007 Savana 1500 5.3L

2003-2005 Savana 2500 5.3L

2000-2006 Yukon XL 1500 5.3L

2003-2007 Savana 3500 6.0L

2005-2006 Sierra 1500 HD 6.0L

2003-2004 Sierra 2500 6.0L

2001-2007 Sierra 2500 HD 6.0L

2003-2006 Sierra 3500 6.0L

1999-2006 Sierra 1500 5.3L

2000-2006 Yukon 5.3L

2001-2006 Yukon 6.0L

2003-2006 Yukon XL 1500 6.0L

Compatible with Buick Models:

2004 Rainier 5.3L

Compatible with Cadillac Models:

2002-2005 Escalade 5.3L

2002-2006 Escalade 6.0L

Compatible with Hummer Models:

2003-2006 H2 6.0L

OE Number:

C1251, D585, 5C1082, E254, E254P, 52-1647, GN10119, IC413, 10457730, 19005218, 8-10457-730-0, UF-262

How to Change Ignition Coils and Spark Plugs?

Disconnect the old ignition coil and spark plugs.

Disconnect your battery's negative terminal.

Locate the ignition coil and spark plugs to be replaced.

Label the cables running into the coil, if there are multiple than one.

Release the clip on the plug running into the side of coil.

Swapping in the new ignition coil and spark plugs.

Prior to installation, compare the new coil to the old one.

Orient the new coil in the same direction.

Activate the New ignition coil and spark plugs.

Connect the plug into the side coil.

Plug in ignition cables according to the order written on them.

Reconnect the battery.

Start the vehicle to test the new ignition coil and spark plugs.