[Vehicle Fitment]: Compatible With [Cadillac] 2002-2006 Escalade, Escalade Ext 2003-2006 Escalade Esv [Chevrolet] 1999-2006 Silverado 1500 1999-2004 Silverado 2500 2001-2006 Silverado 3500 2001-2006 Silverado 1500 Hd(Exc. 2004) 2001-2007 Silverado 2500 Hd 2007-2007 Silverado Classic(Mexico Model) 2000-2006 Tahoe, Suburban 1500 2002-2006 Avalanche 1500, Suburban 2500 2003-2006 Express 1500, Avalanche 2500 2003-2005 Express 2500 2003-2004 Express 3500, Ssr, Trailblazer Ext 2006-2006 Monte Carlo | [Extreme Temperature & Corrosion Resistance]: Engineered To Withstand Intense Underhood Environments, This Coil Features Exceptional Resistance To High Temperatures Up To 140?C (284?F) And Corrosion. This Robust Construction Ensures Long-Term Reliability And Consistent Performance Under Heavy Use. | [Direct Fit & Easy Installation]: Designed As A Precise Oem Replacement For Seamless Integration. Enjoy Quick, Tool-Free Installation-Simply Unplug The Old Unit And Connect The New One. Perfectly Matches Original Vehicle Specifications For A Hassle-Free Maintenance Experience. | [Extended Lifespan & Compatibility]: Built For Durability With A Tested Service Life Exceeding 6,500 Miles. Before Ordering, Please Use Our Compatibility Checker At The Top Of The Page To Ensure Perfect Fitment For Your Specific Vehicle Make And Model. | [Reference Number]: 12556893,12558693,12570553,19355500,19418993,250253,2505206391,26347,26C1047,2Igc0204,346R,361198,3859078,38590782,392889925,3Ic271,49081,50253,5111,521618,5C1083,6737000,90541062,9201052,92010528,92830548,C1208,C12088,C1208Spec,C1208Vc,C561,Cuf271,D581,E226,Ebc1345,Gn10298,Ic400,Ic400Sb,Igc0131,Skic504,U5328,Uf271,Uf271T