---
product_id: 91066937
title: "Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003"
brand: "kwiksen"
price: "€ 80.73"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.gr/products/91066937-kwiksen-2pcs-upstream-and-downstream-o2-oxygen-sensor-234-4721
store_origin: GR
region: Greece
---

# Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003

**Brand:** kwiksen
**Price:** € 80.73
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 by kwiksen
- **How much does it cost?** € 80.73 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/91066937-kwiksen-2pcs-upstream-and-downstream-o2-oxygen-sensor-234-4721)

## Best For

- kwiksen enthusiasts

## Why This Product

- Trusted kwiksen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Full description not available

## Features

- PART NUMBER: 234-4721x1, 234-4752x1
- Sensor 1 and sensor 2 for 2001-2003 Mazda Protégé 2.0L
- Front and rear O2 sensor for 2002-2003 Mazda Protege5 2.0L
- Length 234-4721:239mm/9.4", 234-4752: 640mm/25.19"
- Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase
- ›See more product details

## Images

![Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 - Image 1](https://images-na.ssl-images-amazon.com/images/I/71NLeqPdjaL.jpg)
![Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 - Image 2](https://images-na.ssl-images-amazon.com/images/I/6125ryIHxfL.jpg)
![Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 - Image 3](https://images-na.ssl-images-amazon.com/images/I/519gz9CB2wL.jpg)
![Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 - Image 4](https://images-na.ssl-images-amazon.com/images/I/61K6ifFuGmL.jpg)
![Kwiksen 2pcs Upstream and Downstream O2 Oxygen Sensor 234-4721 234-4752 Sensor 1 Sensor 2 Replacement for Mazda Protege L4-2.0L 2001 2002 2003 - Image 5](https://images-na.ssl-images-amazon.com/images/I/61wcxTxYJGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Great!
  

*by J***K on Reviewed in the United States on June 18, 2020*

Cleared my code! As good as the expensive ones. Great deal!

### ⭐⭐⭐⭐⭐ 







  
  
    Good
  

*by D***S on Reviewed in the United States on February 9, 2019*

Good same at original

### ⭐ 







  
  
    Inconformes
  

*by E***. on Reviewed in the United States on August 1, 2019*

Lo retorne

---

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**Shop now:** [https://www.desertcart.gr/products/91066937-kwiksen-2pcs-upstream-and-downstream-o2-oxygen-sensor-234-4721](https://www.desertcart.gr/products/91066937-kwiksen-2pcs-upstream-and-downstream-o2-oxygen-sensor-234-4721)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-06-01*