Hyundai Nickel Alloy Spark Plug 18855-10060/10061 LZKR6B-10E Dual Number Replacement

When your modern car experiences rough idle, weak acceleration, significantly higher fuel consumption, or cold-start difficulties, it usually indicates worn or heavily carbon-deposited spark plug electrodes; replacement is required. A properly functioning spark plug can precisely ignite the air-fuel mixture, ensuring smooth power output and complete combustion, reducing emissions and improving fuel economy. This product fits modern models from 2000 onward, OEM numbers 18855-10060, 18855-10061, and LZKR6B-10E; direct OEM replacements. Use a torque wrench to tighten to standard torque to avoid over-tightening and damaging cylinder head threads or under-tightening causing leaks.