Round Ignition Coil Packs for Buick Cadillac Chevrolet GMC Isuzu Compatible with UF262 C1251 D585 10-15% more spark for improved performance Compatible with OEM numbers: UF262, C1251, 10457730, 19005218, D585 Other Part Number: 10457730 12563293 8104577300 and please refer to the left fitment pictures and fitment in the description Professional high voltage di-electric resistant resin Please kindly refer to product description for complete list of compatible vehicles before purchase