Spark Plug DENSO Iridium SK16R11 (3324)

The DENSO SK16R11 (3324) Iridium spark plug belongs to the premium Iridium Long Life line and is designed for modern gasoline engines. Featuring an ultra-fine iridium alloy center electrode and a platinum-tipped ground electrode, this plug offers exceptional wear resistance and is capable of performing efficiently for up to 100,000 km. Technical specifications include a heat range of 16, a 14 mm thread diameter, and a 1.1 mm spark gap. This plug is an original equipment manufacturer (OEM) component for many Toyota and Lexus models, providing ideal power output and fuel economy. Using the SK16R11 ensures stable spark generation under high voltage, prevents misfires, and helps reduce load on the ignition coil, which is critical for the longevity of the engine management system.