The Motorcraft SP-479 Platinum Spark Plug is designed for use in 97-03 Ford F150 trucks with V8 4.6L and 5.4L engines. This spark plug has a platinum material construction and a manufacturer warranty for a lifetime. It operates at a voltage of 12V and is suitable for gasoline fuel type. With interchange part numbers including SP493, SP479, and SP493X, this spark plug is a reliable choice for igniting your vehicle's fuel efficiently and consistently.