Description
The product is a set of Bosch Platinum Spark Plugs with the manufacturer part number 4221. These spark plugs are specifically identified as WR9DPX plugs. Manufactured in Germany, they are designed for use in ignition systems in cars and trucks. The platinum material used in these spark plugs ensures durability and reliability in providing the necessary spark for combustion. The Bosch brand is known for its quality automotive components, making these spark plugs a reliable choice for vehicle maintenance.
