Hyundai Kia K3 Elantra Verna Accent Spark Plug 18827-09080 RER8YC High Efficiency Ignition

For K3, YigXing, Rena, Elantra, or Yuedong with idle jitter, weak acceleration, high fuel consumption, or cold-start difficulty, spark plug electrodes aged or gap too large causing unstable ignition. This spark plug is suitable for Hyundai models post-2000; OEM 18855-10080 SILZKR6B11; torque to factory specification with a torque wrench to avoid cylinder head damage or leaks.