Hyundai Engine Exclusive Spark Plug 18849-09085 SILZKR8E9G Stable and Durable New Choice

When your modern engine shows idle shake, weak acceleration, or noticeably higher fuel consumption, it indicates the spark plug electrode gap is too wide or carbon buildup is severe, leading to insufficient ignition energy and requiring timely replacement. This spark plug is responsible for precise ignition of the air-fuel mixture to ensure smooth power output and stable fuel economy. Fits many post-2000 Hyundai/Kia vehicles; OEM numbers: 18849-09085 / SILZKR8E9G. Install with a torque wrench to manufacturers’ torque to avoid thread damage from overtightening or leaks from undertightening.