NGK火花塞 7544 CR7HIX 原装品质点火稳定

When your vehicle experiences idle jitter, weak acceleration, clearly rising fuel consumption, or starting difficulties, this typically indicates worn or carbon-deposited spark plug electrodes no longer firing properly. NGK 7544 CR7HIX spark plug can precisely generate a stable electric spark under normal operation, ensuring complete combustion of the air-fuel mixture and stable engine power output with good fuel efficiency. This product fits a wide range of generic models from 2000 onward, OEM number 7544 CR7HIX. Installation must use a torque wrench to tighten to standard torque to avoid over-tightening damaging the cylinder head or under-tightening causing leaks.