---
product_id: 277387297
title: "Delphi ES20409 Oxygen Sensor"
brand: "delphi"
price: "FREE"
currency: UYU
in_stock: false
url: https://www.desertcart.uy/products/277387297-delphi-es20409-oxygen-sensor
store_origin: UY
region: Uruguay
---

# OE-grade heat & vibration resistance Planar tech for premium sensor upgrade Protective coating blocks contaminants Delphi ES20409 Oxygen Sensor

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

## Summary

> 🛠️ Upgrade your ride’s brain with Delphi’s precision sensor – because your engine deserves the best!

## Quick Answers

- **What is this?** Delphi ES20409 Oxygen Sensor by delphi
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/277387297-delphi-es20409-oxygen-sensor)

## Best For

- delphi enthusiasts

## Why This Product

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

## Key Features

- • **Tested to Last:** Rigorous durability and environmental compliance testing with a <2% warranty rate.
- • **Plug & Play OE Fit:** Exact OE connectors and wire lengths ensure hassle-free installation and signal integrity.
- • **Planar Tech Upgrade:** Advanced planar technology replaces outdated conical sensors for superior accuracy.
- • **Century-Strong OE Heritage:** Built on 100+ years of Delphi’s trusted durability and performance legacy.
- • **Contaminant Shielded Sensor:** Protective coating eliminates oil & antifreeze triggers, keeping your check engine light off.

## Overview

The Delphi ES20409 Oxygen Sensor features a protective coating to prevent contaminants from triggering engine errors, incorporates advanced planar technology for enhanced accuracy, and matches OE specifications for easy installation. Backed by over a century of OE expertise, it offers exceptional durability, heat and vibration resistance, and a proven low warranty rate under 2%, ensuring reliable, long-lasting performance and improved fuel economy.

## Description

The construction and design of Delphi oxygen sensors provide improved fuel economy over aging sensors and long-lasting, reliable operation that your customers can trust during each sensor's life.

## Features

- A protective coating on the sensor element is applied on every Delphi oxygen sensor to eliminate contaminants, such as oil or antifreeze, which can trigger the "check engine light"
- Designed with the benefit of more than 100 years of OE heritage, all sensors are d for durability, performance and environmental compliance
- Delphi is the OE manufacturer to use planar technology as a premium upgrade when replacing old technology conical sensors
- Delphi features OE connectors and wire lengths within three inches of OE specifications, translating to easier installation, as well as resistance to high temperatures, vibration damage and wire corrosion, which helps protect signal accuracy and longevity
- Delphi oxygen sensors are subjected to rigorous testing for durability, performance and environmental compliance; Delphi's extremely low warranty rate is less than 2 percent

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Delphi |
| Brand | Delphi |
| Model | ES20409 |
| Product Dimensions | 4.83 x 5.33 x 14.73 cm; 0.28 g |
| Item model number | ES20409 |
| Manufacturer Part Number | ES20409 |
| OEM Part Number | 22134, 234-4489, BE5Z 9G444-D, CA39-18-861, CA41-18-861 |
| Item Weight | 0.28 g |

## Product Details

- **Brand:** Delphi
- **Item dimensions L x W x H:** 48 x 53 x 147 millimeters
- **Material:** Metal, Ceramic, Polymer
- **Item weight:** 0.01 Ounces
- **Style:** Modern

## Images

![Delphi ES20409 Oxygen Sensor - Image 1](https://m.media-amazon.com/images/I/71i3RaHPmjL.jpg)
![Delphi ES20409 Oxygen Sensor - Image 2](https://m.media-amazon.com/images/I/71VOFlu9GXL.jpg)
![Delphi ES20409 Oxygen Sensor - Image 3](https://m.media-amazon.com/images/I/71yliB-lW5L.jpg)
![Delphi ES20409 Oxygen Sensor - Image 4](https://m.media-amazon.com/images/I/61i7lpnGdUL.jpg)
![Delphi ES20409 Oxygen Sensor - Image 5](https://m.media-amazon.com/images/I/71VOmZmTFRL.jpg)

## Questions & Answers

**Q: is this upstream or downstream?**
A: Downstream

## Frequently Bought Together

- Delphi ES20409 Oxygen Sensor
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- Walker Products 350-34003 Oxygen Sensor, Original Equipment Replacement O2 Sensor, Direct Fit

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**Shop now:** [https://www.desertcart.uy/products/277387297-delphi-es20409-oxygen-sensor](https://www.desertcart.uy/products/277387297-delphi-es20409-oxygen-sensor)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-20*