丰田皇冠雷克萨斯RX火花塞 90919-01276 DILFR7K9G 铱金升级型号

Your vehicle shows rough idle, weak acceleration, notably higher fuel consumption, or cold-start difficulty? These indicate worn spark plug electrodes with insufficient ignition energy. This spark plug precisely ignites the cylinder’s mixture to maintain smooth power and excellent fuel economy. Fits Toyota Crown (2000–2009) and Lexus RX (2003–2009). OEM 90919-01276; upgraded to DILFR7K9G. Install with torque wrench to factory torque and check gap between 0.8–1.0 mm to avoid damage or leakage.