New Ignition Coil Fits Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu 1999-2007 12556893, 12558693, 12570553, 392889925, 410002, 3859078, 38590782 Brand New - Manufactured with New Premium Quality Components Engineered to meet or exceed OEM specifications All Items Tested for Reliability, Durability and Performance One Year Hassle Free Guarantee ** See Product Description for Fitment Chart **