---
product_id: 30852161
title: "BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg"
brand: "bosch"
price: "£110.33"
currency: GBP
in_stock: true
reviews_count: 10
category: "Bosch"
url: https://www.desertcart.co.uk/products/30852161-bosch-17178-premium-original-equipment-oxygen-sensor-compatible-with-select
store_origin: GB
region: United Kingdom
---

# Fast-acting heater reaches operating temp in seconds 100% factory tested for peak performance Double laser-welded stainless steel body BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg

**Brand:** bosch
**Price:** £110.33
**Availability:** ✅ In Stock

## Summary

> 🔥 Precision sensing that powers your drive — don’t get left behind!

## Quick Answers

- **What is this?** BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg by bosch
- **How much does it cost?** £110.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/30852161-bosch-17178-premium-original-equipment-oxygen-sensor-compatible-with-select)

## Best For

- bosch enthusiasts

## Why This Product

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

## Key Features

- • **Proven Bosch Legacy:** Built on decades of innovation since the 1960s, guaranteeing reliable, long-lasting performance you can trust.
- • **Rapid Response Time:** Fast-acting heater technology ensures your sensor hits optimal operating temperature within seconds for precise engine tuning.
- • **Unmatched Durability:** Exclusive stainless steel body sealed tight to withstand harsh exhaust conditions and extend sensor life.
- • **Eco & Engine Friendly:** Maintains optimal air-fuel ratio to reduce CO2 emissions and protect your engine from costly damage.
- • **Plug & Play Installation:** True OE direct-fit connectors and pre-coated anti-seize threads make installation effortless—get back on the road faster.

## Overview

The BOSCH 17178 Oxygen Sensor combines decades of Bosch innovation with cutting-edge manufacturing, featuring a double laser-welded stainless steel body and a fast-acting heater for rapid sensor activation. Factory-tested for flawless performance, it offers true OE direct-fit installation and helps optimize engine efficiency while reducing emissions. Compatible with select Audi, Porsche, and Volkswagen models, this sensor is engineered for durability and precision, ensuring your vehicle runs cleaner and smarter.

## Description

Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production, since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting performance that you can count on. Bosch Oxygen Sensors are 100% tested for full functionality, resulting in a seared appearance of the protection tube, to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance. Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions - ensuring a longer sensor service life. Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker - within seconds - for optimum performance. True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free. It's critical that oxygen sensors are replaced at the suggested intervals provided by vehicle manufacturers before the sensor fails. Following the recommendations will prevent long term damage to a vehicle's engine, reduce harmful carbon dioxide (CO2) emissions, and save money when refueling your vehicle.

Review: correct front sensor for a 2.0T engine - replaced the original sensor seamlessly, this one is the wideband type, not a normal narrowband sensor
Review: This worked for my 2008 Touareg V6 gas - Put that this Bosch in and it passed smog (previously got a P0430 error). I went through 2 sensors (both said they fit my car) before figuring that you need to stick with what works. My original O2 Sensor was discontinued (number is stamped on the side of the sensor), but research from the web said this was the replacement number (Bosch Oxygen Sensor - 17178) . Previous to that, the sensors, although looking identical and fit the connector, would give me an error - P2234. Hope this helps.

## Features

- [INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting performance
- [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 percent fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance
- [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions - ensuring longer sensor service life
- [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker - within seconds - for optimum performance
- [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and easy
- Compatible with select vehicles (Note: engine may affect fitment - verify specific fitment details, including sensor position, with fit checker above): AUDI: 2013-16 Allroad, 2006-09 A3 Quattro, 2009-16 A4, 2013-16 A4 Allroad, 2009-16 A4 Quattro
- Compatible with (continued): AUDI: 2010-14 A5, 2010-17 A5 Quattro, 2012-15 A6, 2013-15 A6 Quattro, 2008-09 A8 Quattro, 2011-17 Q5, 2007-10 Q7, 2009-12,2014-15 R8, 2008-11 S6, 2008-09 S8, 2008-09 TT Quattro; PORSCHE: 2008-14,2016-18 Cayenne
- Compatible with (continued): VOLKSWAGEN: 2007-08 Eos, 2012-18 Passat, 2008 R32, 2007-17 Touareg

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005WS3SB8 |
| Best Sellers Rank | #553,602 in Automotive ( See Top 100 in Automotive ) #2,911 in Automotive Replacement Oxygen Sensors |
| Brand | Bosch |
| Brand Name | Bosch |
| Customer Reviews | 4.5 out of 5 stars 84 Reviews |
| Global Trade Identification Number | 00028851171786 |
| Included Components | Other Vehicle Parts( AUTO_PART ), Performance Parts - Underhood, Engine Management, automotive-oxygen-sensors |
| Item Dimensions | 2.2 x 5.83 x 3.94 inches |
| Item Type Name | Oxygen Sensor |
| Item Weight | 6.24 ounces |
| Item dimensions L x W x H | 2.2 x 5.83 x 3.94 inches |
| Manufacturer | Bosch |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | 17178 |
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Part Number | 17178 |
| Specific Uses For Product | Temperature |
| Style | Oxygen Sensor |
| Style Name | Oxygen Sensor |
| UPC | 028851171786 |
| Upper Temperature Rating | 1652 Degrees Fahrenheit |
| Warranty Description | 12 months, unlimited miles/hours |

## Product Details

- **Brand:** Bosch
- **Item dimensions L x W x H:** 2.2 x 5.83 x 3.94 inches
- **Material:** Stainless Steel
- **Item Weight:** 0.39 Pounds
- **Style:** Oxygen Sensor

## Images

![BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg - Image 1](https://m.media-amazon.com/images/I/61xyXuYzSiL.jpg)
![BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg - Image 2](https://m.media-amazon.com/images/I/61QBCU5SKGL.jpg)
![BOSCH 17178 Premium Original Equipment Oxygen Sensor - Compatible with Select Audi Allroad, A3, A4, A5, A6, A8, Q5, Q7, R8, S6, S8, TT; Porsche Cayenne; Volkswagen Eos, Passat, R32, Touareg - Image 3](https://m.media-amazon.com/images/I/71uppgZHhbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ correct front sensor for a 2.0T engine
*by B***N on March 11, 2026*

replaced the original sensor seamlessly, this one is the wideband type, not a normal narrowband sensor

### ⭐⭐⭐⭐⭐ This worked for my 2008 Touareg V6 gas
*by S***U on February 15, 2025*

Put that this Bosch in and it passed smog (previously got a P0430 error). I went through 2 sensors (both said they fit my car) before figuring that you need to stick with what works. My original O2 Sensor was discontinued (number is stamped on the side of the sensor), but research from the web said this was the replacement number (Bosch Oxygen Sensor - 17178) . Previous to that, the sensors, although looking identical and fit the connector, would give me an error - P2234. Hope this helps.

### ⭐⭐⭐⭐⭐ Exact fit connector wise for an 2012 Audi A5 Quattro
*by A***R on July 1, 2020*

Connector fits great but wire length is much longer than OEM. I just folded the wire almost like in the packaging picture and used the enclosed zip ties for a neat fit. Extra zip ties came in handy when I replaced the downstream Oxygen Sensor which did not include and extra mounting parts.

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-22*