The Bosch 4222 Spark Plug WR9FPY is a high-quality spark plug designed for use in ignition systems of cars and trucks. Manufactured by Bosch, a reputable brand known for producing reliable automotive parts, this spark plug features a Manufacturer Part Number of 4222 and is made of durable materials to ensure long-lasting performance. With its specific design and model number, the Bosch 4222 Spark Plug WR9FPY is compatible with a range of vehicles and is a crucial component for maintaining proper engine function.