Bosch Spark Plug W4AC which is original specification having superseded the Bosch W240T1. These are now obsolete and the price reflects this, I would recommend you use the NGK spark plug Part No 0312/7
Bosch Spark Plug W4AC which is original specification having superseded the Bosch W240T1. These are now obsolete and the price reflects this, I would recommend you use the NGK spark plug Part No 0312/7