- Replacement for OE Numbers: 234904323490452349046894670604089467060508946708010894670E010894670E020894670E0308946733050894673311089467331208946748050894674806089467480808946748230. Verify compatibility by checking the fitment, pictures, and product details in the listing. - Vehicle Compatibility: Designed for select Lexus and Toyota models. Compatible with Lexus V6 2002-2003 ES300 3.0L; 2004-2006 ES330 3.3L; 2004-2006 RX330 3.3L; 2007-2011 RX350 3.5L; 2006-2007 RX400h 3.3L. For Toyota: 2002-2006 Camry 2.4L L4 and 3.0L V6; 2004-2006 Highlander 2.4L L4 and 3.3L V6; 2004-2006 Sienna 3.3L V6; 2004-2008 Solara 2.4L L4 and 3.3L V6. - Superior Performance: This oxygen sensor conforms to OE standards, ensuring reliable upstream and downstream performance. Crafted from stainless steel and high-temperature resistant materials, it is installed in the exhaust pipe to precisely monitor air-fuel mixture and engine combustion. This optimization leads to enhanced engine performance and improved fuel economy. - Usage Instructions: Allow the vehicle's exhaust pipe to cool completely before installation to prevent burns. Exercise caution during disassembly to avoid damaging the exhaust pipe and sensor threads, utilizing professional disassembly tools for a safe and effective installation. - Practical Applications: Ideal for restoring oxygen sensing capabilities in older Lexus and Toyota vehicles. Helps in maintaining optimal engine performance by ensuring the correct air-fuel ratio, resulting in better fuel efficiency and reduced emissions. Essential for mechanics and DIY auto enthusiasts to improve vehicle reliability and longevity.