234-9051 Oxygen O2 Sensor Upstream, Fit for Toyota Tundra 2005-2006 4.7L V8 | 4Runner 2005-2009 4.0L V6/ 4.7L V8 | FJ Cruiser 2007 4.0L V6,for Lexus IS250/IS350 2006-2007 2.5L/3.5L V6#89467-30010

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• ✅【Perfect Fitment-1】Direct fit ▶for Toyota: 4Runner 2005-2009 4.0L V6 Upstream,4Runner 2005-2009 4.7L V8 Upstream, Fj Cruiser 2007 4.0L V6 Upstream,Tundra 2005-2006 4.7L V8 Upstream,Sequoia 2005-2007 4.7L V8 Upstream, Land Cruiser 2005-2007 4.7L V8 Upstream; From 05/01/2005⚠️ Please verify fitment via the product description and images before ordering to ensure compatibility before order.
• ✅【Perfect Fitment-2】】Direct fit ▶ for Lexus: IS250 2006-2007 2.5L V6 Upstream; RWD/Upstream Left; AWD, IS350 2006-2007 3.5L V6 Upstream,GX470 2005-2009 4.7L V8 Upstream,GS350 2007 3.5L V6 Upstream; RWD/Upstream Left; AWD,GS300 2006 3.0L V6 Upstream; RWD/Upstream Left; AWD,LX470 2005-2007 4.7L V8 Upstream; From 05/01/2005,GS450H 2007-2011 3.5L V6 Electric/Gas Upstream Right,LS460 2009-2013 4.6L V8 Upstream; AWD,LS600H 2008-2012 5.0L V8 Electric/Gas Upstream.⚠️ Please verify fitment via the product description and images before ordering to ensure compatibility before order.
• 🔧【Replace Part Numbers】Oxygen (O2) Sensor Upstream(Air / Fuel Ratio Sensor) #234-9051, 8946730010.4-pin connector,4 wire and a 11.02-inch total harness lengthMatches factory specs perfectly —Plug-and-play installation for fast, hassle-free replacement.
• ⚡【Fast Response & Smoother Driving】This upstream oxygen sensor accurately tracks the engine air-fuel ratio across all driving conditions, delivering rapid signal response and real-time data feedback for a more refined, responsive ride. It ensures stable power output and smooth, consistent acceleration while reducing engine hesitation, vibration, and rough idle to significantly enhance overall drivability. Built with intelligent sensing technology, it maximizes fuel efficiency, save money on gas, and delivers enhanced performance for longer drives.
• 🛡️ 【Premium O2 Sensor Sensing Material】This precision 02 sensor features a zirconia ceramic core for accurate oxygen detection and lasting durability. Built with high-strength 430L stainless steel for superior heat and corrosion resistance. Equipped with a Japanese ceramic sensing element and platinum grid for stable, long-lasting performance. 100% factory-tested by AIUSLN for reliable 02 sensor quality you can trust.
• 🔧 【Easy Installation & Direct Plug-In】Precision-matched connector requires no cutting or splicing. Professional installation steps: cool engine & disconnect battery; remove old sensor with 7/8 inch wrench; apply anti-seize to threads; hand-thread & torque to 30–40 ft-lbs; reconnect connector & clear OBD-II codes.234-9051⚠️Position Fits: Upstream / Front(pre-cat) , Bank 1 sensor 1/Bank 2 sensor 1
• 🤝 【18-Year Trust & Professional Support】18-year trusted quality brand AIUSLN O2 sensor. We provide 7×24 customer service and 2-year support. Free pre-sales fitment verification & professional troubleshooting for fault codes P0130, P0140, P0136, P0420 and more.NOTE: The trouble code persists both before and after installation. The problem is either a faulty intake system part, or most likely a failed catalytic converter that needs cleaning or replacement.