---
product_id: 13842873
title: "Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 27.56"
brand: "denso"
price: "90702CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Denso"
url: https://www.desertcart.sn/products/13842873-oxygen-sensor-4-wire-direct-fit-heated-wire-length-27
store_origin: SN
region: Senegal
---

# Optimizes fuel consumption Heated sensor for rapid response Direct fit, easy installation Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 27.56

**Brand:** denso
**Price:** 90702CFA
**Availability:** ✅ In Stock

## Summary

> ⛽🔥 Upgrade your ride’s brain for smarter fuel, cleaner emissions, and zero check-engine drama!

## Quick Answers

- **What is this?** Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 27.56 by denso
- **How much does it cost?** 90702CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/13842873-oxygen-sensor-4-wire-direct-fit-heated-wire-length-27)

## 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

- • **Durable Zirconium Build:** High-quality materials withstand extreme temperatures up to 1855°C for long-lasting reliability.
- • **Fuel Efficiency Booster:** Accurately monitors oxygen levels to optimize air-fuel mix, maximizing mileage and cutting costs.
- • **Plug & Play Installation:** Direct fit design with 27.56-inch wiring means no modifications—get back on the road faster.
- • **Rapid Heat-Up Technology:** Heated sensor element ensures quick activation even in cold starts, reducing emissions faster.
- • **Precision OE Standard Fit:** Engineered to meet exact OEM specs for flawless compatibility and performance.

## Overview

The Denso 234-4741 Oxygen Sensor is a direct-fit, heated 4-wire sensor crafted from durable zirconium material. Designed to meet OE standards with ±1% accuracy, it ensures rapid sensor activation and precise air-fuel ratio monitoring. With a 27.56-inch wire length and threaded mounting, it offers easy installation and reliable performance, improving fuel efficiency and reducing engine faults.

## Description

Denso 234-4741 Oxygen Sensor

Review: A change in O2 sensor results in a staggering difference in fuel consumption!! - My 2.3L stroker Evo 9 with a 20G turbo had been getting the occasional check light especially when sitting in traffic. Code was P0170 Fuel Trim Bank 1 / Abnormal Fuel System. My LTFT fuel trims checked out to be +25% therefore triggering the check light. This indicated that the engine was running lean but upon WOT my exhaust blows our a huge puff of black smoke indicating that it's rich. Further inspection of my spark plugs revealed that they were cakes in black soot and dry carbon again indicating that it was very rich. My bumper was also coated with exhaust stains. My knock sensor would also flash occasionally when boosting. I had read that knock can also occur in a "too rich" scenario. My range per full tank with a reasonably light foot was about 300-320km (6.5km/L) with 70-80% highway and 20-30% city start stop traffic. Occasional turbo spools but never past 4k RPMs. I then installed a AEM UEGO Wideband to confirm that I was running rich instead of lean and indeed I was. Gentle acceleration would show 8 or 9 AFR on 98 RON and even while cruising on the highway I could do no better than 11 or 12 AFR. I then decided to change out the O2 sensor and lo and behold, on my second full tank I achieved 390km (8.5km/L) before the empty light came on. I could have easily achieved 400km before the light came on. There was no change to my driving pattern and I still kept my gear shifts within 3-3.5k RPM. AFR upon WOT will now read 9-10 and cruising will now read 13-14. Part number is correct on the sticker pasted on the Denso box, however the numbers engraved on the sensor itself is different. Upon comparing with my old sensor, the numbers were also different (not sure if the old one was from the factory or it had been changed before). But the thread and length both fit perfectly and there have been no issues. No more check light and my knock sensor has picked up much fewer knocks now.
Review: Perfect upstream O2 sensor replacement for 2006 Evo IX - I noticed my gas mileage on my Mitsubishi Evo 9 had went from a normal 22-23 mpg to about 19 with no heavy driving, just going to and from work (about 50 freeway miles round trip). My low fuel light came on early and it caught me off guard. Since my check engine light is always on due to a faulty EGR solenoid, I have to check my codes every so often. Turned out I had a P0031 pop with a P0134 HO2S heater control curcuit low. This was caused by heater element failure within the sensor. I checked the wires and connectors to make sure it wasn't chafed or exposed, and decided the sensor was bad. First search I did on Google brought up desertcart with a great price just below $40. It was the same part number listed by forum members on Evolutionm.net. I went ahead and ordered it and it arrived quickly. Out with old, in with the new and everything works perfect. Now if only I could find a suitable EGR solenoid... Thanks desertcart, you guys rock.

## Features

- Efficient Fuel Consumption
- Easy installation
- Constructed from high quality material
- Manufactured with precision to meet OE standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C5SGEU |
| Best Sellers Rank | #331,678 in Automotive ( See Top 100 in Automotive ) #1,649 in Automotive Replacement Oxygen Sensors |
| Brand | Denso |
| Brand Name | Denso |
| Customer Reviews | 4.5 out of 5 stars 129 Reviews |
| Global Trade Identification Number | 00042511110915 |
| Included Components | Oxygen Sensor |
| Item Type Name | Oxygen Sensor |
| Item Weight | 0.26 Pounds |
| Manufacturer | Denso |
| Material | Zirconium |
| Material Type | Zirconium |
| Measurement Accuracy | ±1% |
| Model | 234-4741 |
| Mounting Type | Threaded |
| Output Type | Push-Pull |
| Sensing Distance | 5 Centimeters |
| Specific Uses For Product | Oxygen Sensor |
| Style | Modern |
| Style Name | Modern |
| UPC | 042511110915 |
| Upper Temperature Rating | 1855 Degrees Celsius |
| Warranty Description | Includes manufacturer provided warranty |

## Product Details

- **Brand:** Denso
- **Material:** Zirconium
- **Item Weight:** 0.26 Pounds
- **Style:** Modern
- **Measurement Accuracy:** ±1%

## Images

![Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 27.56 - Image 1](https://m.media-amazon.com/images/I/71Kf-At+SgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A change in O2 sensor results in a staggering difference in fuel consumption!!
*by B***G on April 13, 2019*

My 2.3L stroker Evo 9 with a 20G turbo had been getting the occasional check light especially when sitting in traffic. Code was P0170 Fuel Trim Bank 1 / Abnormal Fuel System. My LTFT fuel trims checked out to be +25% therefore triggering the check light. This indicated that the engine was running lean but upon WOT my exhaust blows our a huge puff of black smoke indicating that it's rich. Further inspection of my spark plugs revealed that they were cakes in black soot and dry carbon again indicating that it was very rich. My bumper was also coated with exhaust stains. My knock sensor would also flash occasionally when boosting. I had read that knock can also occur in a "too rich" scenario. My range per full tank with a reasonably light foot was about 300-320km (6.5km/L) with 70-80% highway and 20-30% city start stop traffic. Occasional turbo spools but never past 4k RPMs. I then installed a AEM UEGO Wideband to confirm that I was running rich instead of lean and indeed I was. Gentle acceleration would show 8 or 9 AFR on 98 RON and even while cruising on the highway I could do no better than 11 or 12 AFR. I then decided to change out the O2 sensor and lo and behold, on my second full tank I achieved 390km (8.5km/L) before the empty light came on. I could have easily achieved 400km before the light came on. There was no change to my driving pattern and I still kept my gear shifts within 3-3.5k RPM. AFR upon WOT will now read 9-10 and cruising will now read 13-14. Part number is correct on the sticker pasted on the Denso box, however the numbers engraved on the sensor itself is different. Upon comparing with my old sensor, the numbers were also different (not sure if the old one was from the factory or it had been changed before). But the thread and length both fit perfectly and there have been no issues. No more check light and my knock sensor has picked up much fewer knocks now.

### ⭐⭐⭐⭐⭐ Perfect upstream O2 sensor replacement for 2006 Evo IX
*by C***S on December 2, 2013*

I noticed my gas mileage on my Mitsubishi Evo 9 had went from a normal 22-23 mpg to about 19 with no heavy driving, just going to and from work (about 50 freeway miles round trip). My low fuel light came on early and it caught me off guard. Since my check engine light is always on due to a faulty EGR solenoid, I have to check my codes every so often. Turned out I had a P0031 pop with a P0134 HO2S heater control curcuit low. This was caused by heater element failure within the sensor. I checked the wires and connectors to make sure it wasn't chafed or exposed, and decided the sensor was bad. First search I did on Google brought up Amazon with a great price just below $40. It was the same part number listed by forum members on Evolutionm.net. I went ahead and ordered it and it arrived quickly. Out with old, in with the new and everything works perfect. Now if only I could find a suitable EGR solenoid... Thanks Amazon, you guys rock.

### ⭐⭐⭐⭐⭐ Absolutely Fit and Perfect!!
*by D***O on October 16, 2011*

Amazon is a good place for automotive parts,once you got the parts model and you can found it here.is been a couple of months my CEL remained lit,my local workshop said that i had a faulty O2 sensor at front and ask for a ridiculous price,amazon only cost about half of it! I installed this on a Mit 4g63 the part fits and worked perfectly,the factory original part is also a denso and this part is almost identical except the wire was slightly longer.DIY and it only tooks 35mins to be done,the CEL light went off right after the engine starts.I am very happy with this part,I also saved a good deal of cash by buying it here and changing it myself!

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-07*