Genuine OEM Ford Ignition Wire, part number 1535419. This ignition wire is responsible for delivering electrical current from the ignition system to the spark plugs. It is a critical component for initiating combustion within the engine cylinders. The wire is designed for precise fitment and optimal electrical conductivity. Genuine OEM ignition wires are manufactured to exact specifications, ensuring reliable performance and longevity, unlike aftermarket alternatives which may have inconsistent electrical resistance or durability.