--- product_id: 15743220 title: "Denso Oxygen (O2) Sensor - 234-4168 (Fits Lexus: 2004-2006 RX330, Scion: 2012-2015 iQ/2008-2015 xB, and Toyota: 2004-2007 Highlander/2004-2006 Sienna/2009-2014 Venza Vehicles)" brand: "denso" price: "NT$5227" currency: TWD in_stock: true reviews_count: 13 url: https://www.desertcart.tw/products/15743220-denso-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006 store_origin: TW region: Taiwan --- # Boosts fuel efficiency by up to 15% Plug-and-play 13.78 inch wiring harness Aluminum oxide trap for extended sensor life Denso Oxygen (O2) Sensor - 234-4168 (Fits Lexus: 2004-2006 RX330, Scion: 2012-2015 iQ/2008-2015 xB, and Toyota: 2004-2007 Highlander/2004-2006 Sienna/2009-2014 Venza Vehicles) **Brand:** denso **Price:** NT$5227 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Upgrade your ride’s brain for smarter, cleaner drives! ## Quick Answers - **What is this?** Denso Oxygen (O2) Sensor - 234-4168 (Fits Lexus: 2004-2006 RX330, Scion: 2012-2015 iQ/2008-2015 xB, and Toyota: 2004-2007 Highlander/2004-2006 Sienna/2009-2014 Venza Vehicles) by denso - **How much does it cost?** NT$5227 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/15743220-denso-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006) ## Best For - denso enthusiasts ## Why This Product - Trusted denso brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Fuel-Smart Tech:** Optimizes air-fuel mix to maximize mileage and reduce emissions - β€’ **Precision OE Fit:** Engineered for exact replacement and first-time perfect fit - β€’ **Trusted Performance:** Backed by Denso’s rigorous OE standards and a solid warranty - β€’ **Durability Redefined:** Exclusive ceramic protection layer guards against poisoning and wear - β€’ **Effortless Installation:** Pre-wired harness ensures quick, hassle-free setup ## Overview The Denso 234-4168 Oxygen Sensor is a high-precision replacement part designed for select Lexus, Scion, and Toyota models. Featuring a 4-wire 13.78-inch harness and advanced aluminum oxide trap technology, it ensures optimal fuel efficiency, reduced emissions, and long-lasting durability. Manufactured to meet strict OE standards, this sensor guarantees a perfect fit and reliable performance, making it the go-to upgrade for savvy drivers aiming to maintain peak engine health. ## Description Denso part number 234-4168 is a replacement narrow-band Oxygen (O2) Sensor with 4 wire 13.78 inch long wiring harness for: Lexus: (2004-2006 RX330) Scion: (2012-2015 iQ, 2008-2015 xB) Toyota: (2004-2007 Highlander, 2004-2006 Sienna, 2009-2014 Venza) Denso Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features Denso's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. Denso gives you the right part and the right fit, the first time. ## Features - Efficient Fuel Consumption - Easy installation - Constructed from high quality material - Manufactured with precision to meet OE standards ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B000IYBF6Q | | Best Sellers Rank | #329,625 in Automotive (See Top 100 in Automotive) #1,435 in Automotive Replacement Oxygen Sensors | | Brand Name | Denso | | Customer Reviews | 4.6 4.6 out of 5 stars (450) 4.6 out of 5 stars | | Global Trade Identification Number | 00042511111851 | | Included Components | Oxygen (O2) Sensor | | Item Dimensions | 5.75 x 2.19 x 1.88 inches | | Item Type Name | Oxygen Sensor | | Item Weight | 4 ounces | | Manufacturer | Denso | | Material Type | Stainless Steel, Zirconium | | Measurement Accuracy | High | | Measuring Range | 0% - 25% | | Model | 234-4168 | | Mounting Type | Threaded Mount | | Number Of Items | 1 | | Output Type | electrical signal | | Part Number | 234-4168 | | Sensing Distance | 10 inches | | Specific Uses For Product | Replacement Oxygen (O2) Sensor | | Style Name | Replacement Part | | Unit Count | 1 Count | | Upc | 042511111851 | | Warranty Description | Includes manufacturer provided warranty | ## Product Details - **Brand:** Denso - **Item Weight:** 4 ounces - **Item dimensions L x W x H:** 5.75 x 2.19 x 1.88 inches - **Material:** Stainless Steel, Zirconium - **Style:** Replacement Part ## Images ![Denso Oxygen (O2) Sensor - 234-4168 (Fits Lexus: 2004-2006 RX330, Scion: 2012-2015 iQ/2008-2015 xB, and Toyota: 2004-2007 Highlander/2004-2006 Sienna/2009-2014 Venza Vehicles) - Image 1](https://m.media-amazon.com/images/I/61+HNv+xkPL.jpg) ![Denso Oxygen (O2) Sensor - 234-4168 (Fits Lexus: 2004-2006 RX330, Scion: 2012-2015 iQ/2008-2015 xB, and Toyota: 2004-2007 Highlander/2004-2006 Sienna/2009-2014 Venza Vehicles) - Image 2](https://m.media-amazon.com/images/I/61bYxKtxCvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Always go with OEM electrical replacement parts bought from reliable vendors on Amazon. *by on Reviewed in the United States October 9, 2019* I had the check engine light pop up on my 2006 Toyota Sienna. My OBDII meter indicated a weak catalytic converter which can actually mean a malfunctioning O2 sensor. Sensors are a lot less expense than catalytic converters so I elected to replace them first. The dealer wanted way too much for the OEM sensors so trying to save money; I bought a complete set of no brand sensors from turbosisland in California online off EBay. They were guaranteed to fit my van. None of the no-brand sensors worked. The whole effort was a waste of my time and money. I then ordered OEM sensors from Amazon.com services. They are OEM parts so they were still a little pricey but they were priced much lower than the dealer or any of the auto parts stores near me. They arrived quickly and were an exact match for my original sensors. They even came packaged with a small tube of antiseize compound.Before starting the removal of the O2 sensors, as a safety precaution, I disconnected the van battery. Removing the old parts was a bit of a pain as the electrical connector clips on the old parts were hard to get apart. To make unscrewing the sensors easier, I sprayed them with penetrating oil the day before and ten minutes before trying to unscrew them. After I disconnected the stubborn wire connectors, I used the tool made for removing O2 sensors and easily broke them loose and finished unscrewing them with my fingers. Reinstalling the new sensors is fast and easier than removing them because the electrical connections snap easily back together.After installation of the sensors, my van’s engine is running smooth again, my gas mileage has returned, and the check engine light has not come back on.In the future, I now know to stick to OEM electrical parts for my vehicles and to buy them from reliable vendors on Amazon. ### ⭐⭐⭐⭐⭐ So far ZERO issues!! worth every penny!!! *by on Reviewed in the United States July 23, 2025* fit perfectly, the cable was a little thinner then the OEM, I assume it was upgraded technology in the heat resistance material, or at least I hope so!! I've been told DENSO is the maker of OEM Toyota o2 sensors, so I had no issues purchasing this one. so far it has worked like a charm! it was a lot cheaper then OEM, Amazon Prime shipped it free so it was totally worth the chance. It was difficult to get my 15 year old factory o2 sensor out but once I did this one went right into place and connected right into the factory wire connector. My check engine light went off for the first time in 4 years. ### ⭐⭐⭐⭐⭐ Consumer *by on Reviewed in the United States August 3, 2025* I have been trying couple aftermarket sensors they not solve the problems but this OEM is working right away the check engine light is gone after resetting. No more stress ## Frequently Bought Together - Denso 234-4168 Downstream Oxygen Sensor with 4-Wire 13.7” Harness - Denso 234-9042 Air Fuel Ratio Sensor - Denso 234-4509 Heated 4-Wire Oxygen Sensor with 25.5” Harness for 2004-2016 Lexus/Toyota V6 Right-Bank Downstream --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/15743220-denso-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006](https://www.desertcart.tw/products/15743220-denso-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-08-16*