The DENSO W27ESR-U is an advanced spark plug designed to deliver superior ignition performance. Its construction ensures reliable starting and smooth engine operation under various driving conditions. Featuring a durable iridium tip, this spark plug offers exceptional resistance to wear and corrosion, providing a longer service life compared to conventional plugs. The design promotes efficient fuel combustion, contributing to improved engine efficiency and reduced emissions. This spark plug is engineered to meet the demanding requirements of modern engines, ensuring consistent spark gap and optimal performance throughout its lifespan. Trust DENSO for quality ignition components that enhance your vehicle's power and reliability.