The DENSO W22ESR-U is a high-performance iridium spark plug designed to deliver superior ignition and combustion. Its advanced design ensures consistent spark energy, leading to improved engine responsiveness and fuel economy. Crafted with DENSO's renowned quality, this spark plug features a durable iridium alloy tip that resists wear and provides a long service life. The precision engineering guarantees a perfect fit and reliable operation in a wide range of vehicle applications. Upgrade your ignition system with the DENSO W22ESR-U for a smoother running engine, reduced emissions, and enhanced overall performance. It's an ideal choice for drivers seeking dependable and efficient spark plug technology.