Honda Accord Iridium Spark Plug SILZKR7C11S 12290-R1A-H01 Long-lasting Performance

For Honda Accord 2.0L and 2.4L models (produced after 2000), you can use iridium spark plug SILZKR7C11S (OEM number 12290-R1A-H01). The electrode is iridium, offering far superior wear resistance than ordinary nickel alloys; life in normal conditions is 80,000–100,000 km. It ensures stable ignition, reduces misfire and carbon buildup, and directly aids fuel economy and throttle response. Installation medium difficulty; requires a dedicated spark plug socket and torque wrench, tightening torque 20–25 N·m.