电装IW20TT 4709 双针铱金火花塞，精密点火提升动力

For various Toyota and Lexus models from 2000 onward, including Camry 2.4L, Crown 3.0L, and Lexus ES300, displacement from 2.0L to 3.5L: IW20TT 4709 double-needle iridium spark plugs improve ignition design, significantly boosting combustion efficiency and power response while reducing carbon buildup. OEM number IW20TT 4709; no OEM substitutions; verify only by this number. Replacement is moderate; recommended every 80,000–100,000 km; torque to 25–30 N·m. For B2B buyers, double-needle iridium extends life to over 100,000 km; suitable for high-mileage fleets and bulk procurement to reduce maintenance frequency.