[Vehicles Fit] - This square coil pack will compatible with V8 5.3L 6.0L 4.8L 01 02 03 04 05 06 Chevy Silverado 1500 2500 3500 HD/Avalanche/Suburban/Express/Tahoe, GMC Sierra/Yukon/Yukon XL 1500HD 2500HD/Savana, Ca-dillac Escalade ESV EXT etc.. [Interchange Part Number] - IC400 D581 UF271 UF-271 12558693 52-1618 5C1083 GN10298 C1208 E226 610-02828 IC328 12556893 12570553 3859078 38590782 392889925 6737000. [High Performance Aftermarket Ignition Coils] - NPAUTO Ignition coils which will right fit for your car. It can solve issues caused by failed coils like Engine Misfire, Rough Engine Idle, Decrease in Power, Poor Fuel Economy etc.. [Quality Tested] - From internal coils to housing, quality materials are choosen to improve durablity and reliability. And this part has undergone extensive testing to ensure a quality fit and long lifespan..
