---
product_id: 106916963
title: "Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor"
brand: "maxfavor"
price: "$645084"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/106916963-maxfavor-4pcs-upstream-downstream-o2-oxygen-sensor-replacement-for-2003
store_origin: CO
region: Colombia
---

# Perfect Fit Easy Installation Durable Material Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor

**Brand:** maxfavor
**Price:** $645084
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor by maxfavor
- **How much does it cost?** $645084 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/106916963-maxfavor-4pcs-upstream-downstream-o2-oxygen-sensor-replacement-for-2003)

## Best For

- maxfavor enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Designed specifically for Chevy and GMC models, ensuring seamless integration.
- • **Comprehensive Warranty:** Enjoy peace of mind with a 1-Year Unlimited Miles Warranty.
- • **Compatibility Assurance:** Carefully check fitment details to ensure a perfect match for your vehicle.
- • **Long-Lasting Durability:** Crafted from high-quality materials to withstand the test of time.
- • **Hassle-Free Installation:** User-friendly design allows for quick and easy installation without professional help.

## Overview

This 4-piece set of Upstream and Downstream O2 Oxygen Sensors is designed for Chevy Silverado 1500, Tahoe, GMC Sierra 1500, and Yukon models from 2003 to 2006. With OEM part number 234-4407, these sensors promise a perfect fit, easy installation, and long-lasting durability, backed by a 1-Year Unlimited Miles Warranty.

## Description

Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor

## Features

- ➤【Interchange Number】234-4407 *4
- ➤【Applications】Replacement for Chevy GMC V8 4.8L 2006 2005 2004 2003 O2 Sensor 234-4407 x4 02 Sensor
- ➤【Fuction】High-quality material for long-lasting durability. Perfect match for the original car and easy to install
- ➤【Cautions】Pls carefully check your vehicle year & make & model with the fitment of desertcart and our description. You must read our description carefully, and it will tell you more about the fitment. Pls check your part pictures with our pictures, it must be completely same. Or it will not fit your car. Pls check your parts No. It must be among our fitment OEM No.
- ➤【Warranty】: 1-Year Unlimited Miles Warranty. If the oxygen sensor doesn not fit your vehicle, we accept return. Please make the item clean and package in good condition.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Maxfavor |
| Brand | Maxfavor |
| Item Weight | 1.3 pounds |
| Package Dimensions | 9.3 x 6.6 x 2.5 inches |
| Item model number | MF-B4OS013 |
| Manufacturer Part Number | MF-B4OS013 |
| OEM Part Number | 234-4407 x4 |
| ABPA Partslink Number | OS2344407 |

## Images

![Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor - Image 1](https://m.media-amazon.com/images/I/71ckaw5htAL.jpg)
![Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor - Image 2](https://m.media-amazon.com/images/I/61Fn5UtNyZL.jpg)
![Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor - Image 3](https://m.media-amazon.com/images/I/61-AjRo8VhL.jpg)
![Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor - Image 4](https://m.media-amazon.com/images/I/61IUbkq2BUL.jpg)
![Maxfavor 4Pcs Upstream Downstream O2 Oxygen Sensor Replacement for 2003 2004 2005 Chevy Silverado 1500 Tahoe GMC Sierra 1500 Yukon V8 4.8L O2 Sensor 234-4407 x4 02 Sensor - Image 5](https://m.media-amazon.com/images/I/61nq+7VZWaL.jpg)

## Questions & Answers

**Q: Since the part numbers look correct，will they fit my 2003 tahoe?**
A: They were a exact fit for my 2003 Silverado's 4.8. I believe this item would fit being the vehicles are basically the same.

**Q: which is up stream and downstream?**
A: All 4 oxygen sensors are the same. The upstream and downstream also are the same.

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**Shop now:** [https://www.desertcart.co/products/106916963-maxfavor-4pcs-upstream-downstream-o2-oxygen-sensor-replacement-for-2003](https://www.desertcart.co/products/106916963-maxfavor-4pcs-upstream-downstream-o2-oxygen-sensor-replacement-for-2003)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-20*