This Bosch Spark Plug 4211 is a reliable and high-quality replacement for your 74-08 Ford Mercury. It has been designed to meet the exact specifications of your vehicle, ensuring a perfect fit and optimal performance. With its durable construction and premium materials, this spark plug is built to last and deliver consistent results. The spark plug is manufactured by Bosch, a trusted name in the automotive industry. Its manufacturer part number is 4211, and it can be located in JB41B. This spark plug is a great choice for those looking for a reliable and affordable replacement part for their Ford Mercury.