丰田铱金火花塞 90048-51188 ZXU22PR11/SXU22PR9 高效点火

For 2000-2010 Toyota Corolla, Corolla Altis, Camry, RAV4, and Yaris models (1.6L-2.4L), this iridium spark plug enhances ignition efficiency, reduces carbon buildup, and extends service life. OEM number 90048-51188 (corresponding ZXU22PR11/SXU22PR9). Recommended replacement every 80,000-100,000 km. Use a torque wrench to tighten to 20-25 N·m; avoid over-tightening to prevent thread damage. Iridium electrode withstands up to 2000°C; resistance about 6 kΩ compatible with original ignition systems; suitable for bulk purchase for repair shops.