Nissan Teana/X-Trail/Qashqai 2.0 MR20 Double Iridium Spark Plug DILKAR7D11H

This spark plug directly replaces OEM DILKAR7D11H; high universality; fits Nissan Teana, X-Trail, and Qashqai 2.0 MR20 engines. Core function is precise ignition; double iridium construction improves combustion efficiency and reduces carbon buildup. After installation, acceleration is smoother and fuel economy improves, especially for cars with over 60,000 km. If cold starting is difficult, idle is rough, or acceleration has a stumble, spark plug aging is likely; replace it.