---
product_id: 322248232
title: "Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor"
brand: "denso"
price: "FREE"
currency: ISK
in_stock: false
category: "Denso"
url: https://www.desertcart.is/products/322248232-denso-234-9051-right-bank-upstream-with-4-wire-8
store_origin: IS
region: Iceland
---

# 12V max supply voltage Operates up to 600°C temperature Easy installation with anti-seize pre-coating Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor

**Brand:** denso
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Upgrade your ride’s brain with precision sensing ⚡

## Quick Answers

- **What is this?** Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor by denso
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/322248232-denso-234-9051-right-bank-upstream-with-4-wire-8)

## 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

- • **High-Heat Endurance:** Built to withstand extreme engine temps up to 600°C ensuring long-lasting performance.
- • **Plug & Play OEM Fit:** Direct replacement with pre-applied anti-seize and plastic thread protector for hassle-free install.
- • **Trusted Denso Quality:** OEM-grade sensor ranked #17 in Automotive Electrical Air & Fuel Ratio with 4.4-star rating from 500+ users.
- • **Precision Zirconium Sensor:** Engineered with zirconia solid electrolyte for ultra-accurate air-fuel ratio detection.
- • **Fuel Efficiency & Emissions Control:** Optimizes your engine’s air-fuel mix to reduce emissions and boost MPG.

## Overview

The Denso 234-9051 is a high-accuracy zirconium oxygen sensor designed for right-bank upstream placement. Operating at up to 600°C and powered by 12V, it ensures optimal air-fuel ratio detection to improve engine efficiency and reduce emissions. Featuring easy installation with anti-seize coating and a plastic thread protector, this OEM-quality sensor is a trusted, durable replacement favored by professionals and enthusiasts alike.

## Description

Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor

## Features

- Manufactured to detect the amount of exhaust gas air fuel ratio.Material:Zirconium
- Constructed from durable material
- Features zirconia solid electrolyte
- Highly accurate; Thread Diameter: 18mm
- Easy installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0018JUJ9O |
| Best Sellers Rank | #140,318 in Automotive ( See Top 100 in Automotive ) #13 in Automitive Electrical Air & Fuel Ratio |
| Brand Name | Denso |
| Customer Reviews | 4.4 4.4 out of 5 stars (523) |
| Global Trade Identification Number | 00042511112889 |
| Included Components | Oxygen Sensor |
| Item Dimensions | 14.6 x 5.6 x 4.8 centimeters |
| Item Type Name | Oxygen Sensor |
| Item Weight | 0.25 Pounds |
| Manufacturer | Denso |
| Material Type | Zirconium |
| Maximum Supply Voltage | 12 Volts (DC) |
| Measurement Accuracy | Highly accurate |
| Measuring Range | 10.0 - 20.0 |
| Model | 234-9051 |
| Mounting Type | Layered mounting |
| Number of Items | 1 |
| Output Type | electrical |
| Part Interchange Info | 234-9051 |
| Part Number | 234-9051 |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | Modern |
| UPC | 042511112889 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 600 Degrees Celsius |

## Product Details

- **Brand:** Denso
- **Item dimensions L x W x H:** 14.6 x 5.6 x 4.8 centimeters
- **Item weight:** 0.25 Pounds
- **Material:** Zirconium
- **Style:** Modern

## Images

![Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor - Image 1](https://m.media-amazon.com/images/I/71h6HzYy4HL.jpg)

## Frequently Bought Together

- Denso 234-9051 Right-Bank Upstream with 4-Wire 8.5” Option Air Fuel Ratio Oxygen Sensor
- Denso 234-4261 Oxygen Sensor with 4-Wire 10” Harness for Lexus/Toyota V-6 Downstream Left/Front

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**Shop now:** [https://www.desertcart.is/products/322248232-denso-234-9051-right-bank-upstream-with-4-wire-8](https://www.desertcart.is/products/322248232-denso-234-9051-right-bank-upstream-with-4-wire-8)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-10-29*