---
product_id: 18281064
title: "234-4509 O2 Oxygen Sensor"
brand: "denso"
price: "£134.63"
currency: GBP
in_stock: true
category: "Denso"
url: https://www.desertcart.co.uk/products/18281064-234-4509-o2-oxygen-sensor
store_origin: GB
region: United Kingdom
---

# Optimizes fuel efficiency Universal Fit for seamless installation Durable multi-layer protection 234-4509 O2 Oxygen Sensor

**Brand:** denso
**Price:** £134.63
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your ride with precision sensing — because every mile counts!

## Quick Answers

- **What is this?** 234-4509 O2 Oxygen Sensor by denso
- **How much does it cost?** £134.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/18281064-234-4509-o2-oxygen-sensor)

## 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 Efficiency Booster:** Accurately monitors oxygen levels to optimize combustion and reduce fuel waste
- • **Universal Fit Compatibility:** Fits a wide range of vehicles effortlessly, eliminating guesswork
- • **Easy Installation & Longevity:** Threaded mount design ensures quick setup and long-lasting durability
- • **Advanced Multi-Layer Protection:** Double protection with aluminum oxide trap and PTFE filter for extended sensor life
- • **Precision OE Standard Engineering:** Engineered to meet exact Original Equipment standards for flawless performance

## Overview

The Denso-234-4509 Oxygen Sensor is a high-quality, universal fit replacement part designed to accurately detect oxygen levels in your vehicle's exhaust system. Constructed with premium materials including stainless steel, platinum, and ceramics, it features advanced multi-layer protection for durability and precision. This sensor enhances fuel efficiency and meets strict OE standards, ensuring reliable performance and easy installation for a seamless upgrade.

## Description

Denso Oxygen Sensor is designed to detect the amount of oxygen in the exhaust stream. It is constructed from high quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum and ceramics. This Sensor features double protection layer, aluminum oxide trap layer, porous PTFE filter and stainless steel housing. It is manufactured with precision to meet OE standards. This oxygen sensor can be installed easily and ensures longevity.

## Features

- Fit type: Universal Fit
- Efficient Fuel Consumption
- Constructed from high quality material
- Designed to detect the amount of oxygen in the exhaust system

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0018JVJB6 |
| Best Sellers Rank | #144,571 in Automotive ( See Top 100 in Automotive ) #59,639 in Automotive Replacement Parts |
| Brand Name | Denso |
| Customer Reviews | 4.7 4.7 out of 5 stars (295) |
| Global Trade Identification Number | 00042511112728 |
| Included Components | Oxygen (O2) Sensor |
| Item Dimensions | 5.75 x 3.88 x 2.19 inches |
| Item Type Name | Oxygen Sensor |
| Item Weight | 0.25 Pounds |
| Manufacturer | DENSO |
| Material Type | Stainless Steel, Zirconium |
| Model | 234-4509 |
| Mounting Type | Threaded Mount |
| Output Type | Push-Pull |
| Part Number | 234-4509 |
| Specific Uses For Product | Replacement Oxygen (O2) Sensor |
| Style Name | Replacement Part |
| UPC | 042511112728 |
| Unit Count | 1.0 Count |
| Warranty Description | Manufacturer Warranty |

## Product Details

- **Brand:** Denso
- **Item Weight:** 0.25 Pounds
- **Item dimensions L x W x H:** 5.75 x 3.88 x 2.19 inches
- **Material:** Stainless Steel, Zirconium
- **Style:** Replacement Part

## Images

![234-4509 O2 Oxygen Sensor - Image 1](https://m.media-amazon.com/images/I/51hKYkf6-rL.jpg)

## Frequently Bought Together

- Denso 234-4509 Heated 4-Wire Oxygen Sensor with 25.5” Harness for 2004-2016 Lexus/Toyota V6 Right-Bank Downstream
- Denso 234-4168 Downstream Oxygen Sensor with 4-Wire 13.7” Harness
- Denso 234-9042 Air Fuel Ratio Sensor

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**Shop now:** [https://www.desertcart.co.uk/products/18281064-234-4509-o2-oxygen-sensor](https://www.desertcart.co.uk/products/18281064-234-4509-o2-oxygen-sensor)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-21*