---
product_id: 2441796
title: "Denso 234-9009 Oxygen Sensor, grey"
brand: "denso"
price: "€ 227.93"
currency: EUR
in_stock: true
reviews_count: 10
category: "Denso"
url: https://www.desertcart.pt/products/2441796-denso-234-9009-oxygen-sensor-grey
store_origin: PT
region: Portugal
---

# Fast-response planar zirconia sensor Optimizes air/fuel ratio 12:1-19:1 OE exact fit, hassle-free install Denso 234-9009 Oxygen Sensor, grey

**Brand:** denso
**Price:** € 227.93
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade your ride with precision sensing — don’t let your engine miss a beat!

## Quick Answers

- **What is this?** Denso 234-9009 Oxygen Sensor, grey by denso
- **How much does it cost?** € 227.93 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/2441796-denso-234-9009-oxygen-sensor-grey)

## 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

- • **Trusted by Pros:** OEM-grade quality ensures your engine runs clean and check engine light stays off
- • **Rapid Oxygen Detection:** Planar zirconia element delivers lightning-fast air/fuel ratio readings
- • **Fuel Efficiency Booster:** Maintains optimal air/fuel mix to reduce consumption and emissions
- • **Seamless OE Replacement:** Designed for a perfect first-time fit on select Toyota & Lexus models
- • **Precision Platinum Electrodes:** Tarnish-proof for longer sensor life and consistent accuracy

## Overview

The Denso 234-9009 Oxygen Sensor is a high-precision wide-band air/fuel ratio sensor engineered for select Toyota and Lexus vehicles (1997-2003). Featuring tarnish-proof platinum electrodes and a quick-response planar zirconia element, it ensures accurate oxygen detection and optimal engine performance. This OEM-quality sensor guarantees a perfect fit, enhances fuel efficiency, reduces emissions, and prevents costly check engine light issues, making it the smart, reliable choice for discerning drivers.

## Description

Denso part number 234-9009 is a replacement air/fuel ratio sensor for 1998-1999 Lexus ES300, 1999-2003 Lexus RX300, 1997-1999 Toyota Avalon, 1998-2000 Toyota Camry, 2001-2003 Toyota Highlander, 1999-2000 Toyota Sienna, and 1999-2000 Toyota Solara vehicles.Denso Air/Fuel Ratio 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. The superior design of Denso Air/Fuel Ratio Sensors maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions. Denso Air/Fuel Ratio Sensors increase performance by mapping air/fuel ratios throughout the RPM range. They also reduce emissions by keeping the air-fuel mixture at an optimum ratio. Optimal air/fuel ratios reduce fuel consumption and maximize catalytic converter life. Denso gives you the right part and the right fit, the first time..

Review: Way to go for 2002 toyota highlander - I have P-1155, A/F heater fault, bank 1, sensor 1 malfunction on my 2002 toyota highlander. Check Engine Light was on. I wanted to be smart and tried some cheaper alternatives, what a mistake. Waste of time, money and increased aggravations if you want to use anything other than this on 2002 toyota highlander V6. I put this on after some trial and errors that increased my aggravations. Check Engine Light cleared, now I'm a happy camper. This is my take based on hard way experience. If you have the need to replace the A/F 02 sensor, you will most likely be tempted to go for the cheaper alternatives they claim will work. They will not work, if they do it will be for a very short period of time . I know this one is expensive, but guess what? It's the cheapest, functional and trusted option. If you buy anything different, I will almost guarantee you'll do it multiple times like I did. So, save yourself time, money and aggravations, buy this once and call it a day. Good luck!
Review: Keep your Lexus happy - I bought these (replaced all at once) for our 2002 Lexus RX300 and they work perfectly. Lexus electronics are notoriously picky about O2 sensors and Denso is the mfg of the OEM fpr the Rx300. It's been 4 months since installation and there has been ZERO issues whatsoever. Great product. Do yourself a favor if you have a Lexus - don't skimp on cheaper O2 sensors. Google some of the war stories of people who did.

## Features

- Denso wide-band Air/Fuel Ratio Sensor with 4 wire 14.17 inch long wiring harness
- Part Number: 234-9009
- Application: Toyota: (1997-1999 Avalon, 1998-2000 Camry, 2001-2003 Highlander, 1999-2000 Sienna, 1999-2000 Solara) / Lexus: (1998-1999 ES300, 1999-2003 RX300)
- Parts Interchange: 8946741011, 8946748010, 8946748011, 8946741010
- Tarnish-proof platinum electrodes provides longer life and maintains accuracy
- Quick-response planar zirconia element can quickly detect oxygen concentration
- Measures Air/Fuel ratios from approximately 12:1 to 19:1
- Package Quantity: 1
- Item Dimensions: 5.75 x 2.19 x 1.88 Inches
- Item Weight: 0.25 Pounds

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C5YCZ2 |
| Best Sellers Rank | #208,498 in Automotive ( See Top 100 in Automotive ) #795 in Automotive Replacement Oxygen Sensors |
| Brand Name | Denso |
| Customer Reviews | 4.6 4.6 out of 5 stars (844) |
| Global Trade Identification Number | 00042511110434 |
| Included Components | Air/Fuel Ratio Sensor |
| Item Dimensions | 5.75 x 2.19 x 1.88 inches |
| Item Type Name | ACCESSORIES |
| Item Weight | 0.25 Pounds |
| Manufacturer | Denso |
| Material Type | Stainless Steel, Zirconium |
| Measurement Accuracy | Highly accurate |
| Model | 234-9009 |
| Mounting Type | Handlebar |
| Output Type | Push-Pull |
| Specific Uses For Product | Replacement Air/Fuel Ratio Sensor |
| Style Name | Replacement Part |
| UPC | 042511110434 |
| Warranty Description | Includes manufacturer provided warranty |

## Product Details

- **Brand:** Denso
- **Item Weight:** 0.25 Pounds
- **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 234-9009 Oxygen Sensor, grey - Image 1](https://m.media-amazon.com/images/I/510-WW3OtpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Way to go for 2002 toyota highlander
*by J***A on November 11, 2023*

I have P-1155, A/F heater fault, bank 1, sensor 1 malfunction on my 2002 toyota highlander. Check Engine Light was on. I wanted to be smart and tried some cheaper alternatives, what a mistake. Waste of time, money and increased aggravations if you want to use anything other than this on 2002 toyota highlander V6. I put this on after some trial and errors that increased my aggravations. Check Engine Light cleared, now I'm a happy camper. This is my take based on hard way experience. If you have the need to replace the A/F 02 sensor, you will most likely be tempted to go for the cheaper alternatives they claim will work. They will not work, if they do it will be for a very short period of time . I know this one is expensive, but guess what? It's the cheapest, functional and trusted option. If you buy anything different, I will almost guarantee you'll do it multiple times like I did. So, save yourself time, money and aggravations, buy this once and call it a day. Good luck!

### ⭐⭐⭐⭐⭐ Keep your Lexus happy
*by C***M on May 23, 2025*

I bought these (replaced all at once) for our 2002 Lexus RX300 and they work perfectly. Lexus electronics are notoriously picky about O2 sensors and Denso is the mfg of the OEM fpr the Rx300. It's been 4 months since installation and there has been ZERO issues whatsoever. Great product. Do yourself a favor if you have a Lexus - don't skimp on cheaper O2 sensors. Google some of the war stories of people who did.

### ⭐⭐⭐⭐⭐ 1999 Lexus RX300 - Bank 1 Sensor 1 - Works like a charm!
*by F***N on February 14, 2014*

My 1999 Lexus RX300 was getting CEL (P0125, P1030, P1033 & P1035). Read the postings on ClubLexus and found Denso 234-9009 is perfect fit for Bank 1 Sensor 1 (behind firewall, access from underneath the vehicle). Removing the connector is the biggest job. Used a pickup tool with wire prongs to hold the sensor connector part from the top, pressed the tab on the right connector and disconnected relatively easily. Jacked up the front passenger side, went underneath the vehicle and sprayed PB blaster penetrating oil on the old sensor threads, waited for a few minutes and was able to get it out easily using an O2 sensor removal tool. Applied the anti-seize that came with the package on the new sensor threads and installed. Total time spent was under 30 minutes! Disconnected the battery negative terminal for a few minutes, then started the engine and the codes didn't come back! Check out the pictures posted in the images section. This sensor works for Bank 1 Sensor 1 (before catalytic converter, access from underneath the vehicle) and Bank 2 Sensor 1 (between the engine and radiator, accessed from the top). Note: Recommend using two jack stands for added safety while working under the vehicle. PB Blaster: Blaster 16-PB Penetrating Catalyst - 11 oz. O2 Sensor Tool: Powerbuilt 648691 Oxygen Sensor Offset Puller Update: February 16, 2014 The Check Engine Light (CEL) is staying off and the mileage has improved. My vehicle registration is coming up and it is due for SMOG check. I'll update the review with the results of the test.

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-26*