Perfect Fit: Includes 4pcs ignition coils and 4pcs iridium spark plugs, compatible with Buick-gl8 New manual for six GL8 2.4L blocks/Classic GL8 2.4L six block Handbook 2011-2015, for Chevy copage...
OEM Part Numbers: D517A, 5C1609, E991, 52-1850, UF491, UF-491, C1552, IC571, GN10485, 12578224, 12629646, 12589623, 12638824, 1208089, 4802236, 4805094. Please confirm fitment via pictures or your VIN before purchase
Ignition Coil Build: Each coil is built with German-imported copper wire, high-temperature epoxy, and silicone insulation, ensuring maximum energy output and long-lasting performance. Excellent resistance to corrosion, vibration, and moisture. Eliminates engine misfires, rough idling, and poor acceleration
Iridium Spark Plug: Our spark plugs feature a fine-wire iridium electrode for enhanced ignitability and a longer lifespan—90,000+ km under normal conditions. With excellent heat resistance and electrical insulation, they improve combustion efficiency and ensure smooth engine starts and better fuel economy
Installation & Support: Engineered for a direct fit, this kit installs easily with no special tools or programming required. Every set is tested before shipping and backed by a 12-month warranty