This DENSO Iridium spark plug, part code XU22EPR-U, is engineered to deliver superior ignition performance. Its advanced design ensures a strong spark for efficient combustion, leading to improved engine response and fuel economy. The use of iridium in the electrode material provides exceptional heat resistance and durability, offering a longer service life compared to conventional spark plugs. This makes it a reliable choice for maintaining your vehicle's engine health and performance. DENSO is a leading manufacturer known for its commitment to quality and innovation in ignition technology. Choosing this spark plug means opting for a part that meets stringent manufacturing standards, ensuring a precise fit and consistent operation.