This DENSO spark plug, part code Q16PR-U, is engineered to deliver dependable ignition performance. It is built to meet the demands of modern engines, ensuring efficient fuel combustion and smooth engine operation. The Q16PR-U features advanced materials and design to provide durability and long service life. Its construction promotes excellent heat transfer and resistance to fouling, contributing to sustained performance over time. Choosing DENSO spark plugs means opting for quality and reliability. This specific plug is designed to maintain optimal engine efficiency, helping to reduce emissions and improve fuel economy.