---
product_id: 15743220
title: "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: "€ 123.72"
currency: EUR
in_stock: true
category: "Denso"
url: https://www.desertcart.pt/products/15743220-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006-rx330
store_origin: PT
region: Portugal
---

# Boosts fuel efficiency by up to 15% Plug-and-play 13.78 inch wiring harness Aluminum oxide trap for extended sensor life 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:** € 123.72
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your ride’s brain for smarter, cleaner drives!

## Quick Answers

- **What is this?** 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?** € 123.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/15743220-oxygen-o2-sensor-234-4168-fits-lexus-2004-2006-rx330)

## 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

- • **Fuel-Smart Tech:** Optimizes air-fuel mix to maximize mileage and reduce emissions
- • **Precision OE Fit:** Engineered for exact replacement and first-time perfect fit
- • **Trusted Performance:** Backed by Denso’s rigorous OE standards and a solid warranty
- • **Durability Redefined:** Exclusive ceramic protection layer guards against poisoning and wear
- • **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 | #205,290 in Automotive ( See Top 100 in Automotive ) #628 in Automotive Replacement Oxygen Sensors |
| Brand Name | Denso |
| Customer Reviews | 4.6 4.6 out of 5 stars (449) |
| 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 |
| UPC | 042511111851 |
| Unit Count | 1 Count |
| 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

![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)

## 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

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-09*