This DELPHI ignition coil, part number GN10426-12B1, is engineered for dependable ignition system function. It plays a crucial role in converting low voltage to high voltage, which is then delivered to the spark plugs to ignite the air-fuel mixture. A properly functioning ignition coil is essential for smooth engine operation, fuel efficiency, and reduced emissions. DELPHI ignition coils are manufactured to meet stringent quality standards, ensuring durability and consistent performance under various driving conditions. Replacing a faulty ignition coil can resolve issues such as misfires, rough idling, poor acceleration, and engine stalling.