中性DCPR7EGP 1682汽车火花塞铂金通用小头B12机头铱白金

When your vehicle suffers rough idle, hesitation on acceleration, cold-start difficulty, or noticeably higher fuel consumption, it often indicates heavily worn electrodes or carbon buildup on spark plugs, requiring replacement. Properly functioning plugs ignite the air-fuel mixture for smooth power output. This is a universal iridium spark plug for most modern small-head B12 engines manufactured after 2000, OEM number corresponding to DCPR7EGP 1682. Use a torque wrench to tighten to the manufacturer’s torque specification to avoid thread damage or leaks from over- or under-tightening.