This BOSCH spark plug, part number 0 242 140 521, is engineered to deliver consistent and powerful sparks for efficient combustion. Its robust construction ensures durability and long service life, contributing to smooth engine operation. Designed to meet stringent performance standards, this spark plug plays a crucial role in fuel economy and emissions control. It is a vital component for maintaining your vehicle's ignition system in optimal condition, ensuring reliable starting and consistent power delivery across various driving conditions. Trust in BOSCH's expertise for your ignition needs. This spark plug is a direct fit for compatible applications, offering a dependable solution for routine maintenance or replacement.