Upgrade your vehicle's ignition system with this high-quality Autolite spark plug. Designed with copper resistor material, this spark plug ensures reliable ignition and prevents misfires. It has a manufacturer part number of 103 and an OE/OEM part number of 04504278, 4504278, AGRF2, AGRF22, AGRF22C1, AGSF12C, and AGSF2. This spark plug is suitable for various car and truck models and is sold in a quantity of one. Ensure optimal engine performance with this Autolite spark plug.