---
product_id: 68524243
title: "THEBIGDEALS T257171X Oxygen Sensor Upstream & Downstream for Aston Martin Ford Jaguar Lincoln Mazda Mercury"
brand: "thebigdeals"
price: "€ 62.89"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sk/products/68524243-thebigdeals-t257171x-oxygen-sensor-upstream-and-downstream-for-aston-martin
store_origin: SK
region: Slovakia
---

# Eco-Friendly Quality Assurance Direct Fit THEBIGDEALS T257171X Oxygen Sensor Upstream & Downstream for Aston Martin Ford Jaguar Lincoln Mazda Mercury

**Brand:** thebigdeals
**Price:** € 62.89
**Availability:** ✅ In Stock

## Summary

> 🚗 Drive with Confidence!

## Quick Answers

- **What is this?** THEBIGDEALS T257171X Oxygen Sensor Upstream & Downstream for Aston Martin Ford Jaguar Lincoln Mazda Mercury by thebigdeals
- **How much does it cost?** € 62.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/68524243-thebigdeals-t257171x-oxygen-sensor-upstream-and-downstream-for-aston-martin)

## Best For

- thebigdeals enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation:** Direct fit for seamless integration with your vehicle.
- • **Unmatched Warranty:** 1-Year Unlimited Mileage Warranty for peace of mind.
- • **Enhanced Performance:** Boosts engine efficiency and reduces harmful emissions.
- • **Precision Engineering:** Extensively tested to meet or exceed OE specifications.
- • **Compatibility Guaranteed:** Check compatibility with our detailed interchange numbers.

## Overview

THEBIGDEALS T257171X Oxygen Sensor is designed for optimal performance in various vehicle models, including Aston Martin, Ford, Jaguar, Lincoln, Mazda, and Mercury. With a 1-year unlimited mileage warranty, this sensor ensures reliability and quality, meeting OE standards to enhance engine performance and reduce emissions. Its direct fit design simplifies installation, making it a smart choice for vehicle maintenance.

## Description

Note: Please check the MAKE/MODEL/YEAR/POSITION of your vehicle and make sure oxygen sensor is compatible. If not sure, please ask us to indentify the compatibility of the parts and we’ll reply you within 24 hours.  THEBIGDEALS Oxygen Sensor Specifications:  High Quality and Brand New (Not Air Fuel Ratio Sensor) Direct Plug-In Replacement Warranty: One year unlimited miles Wires: 4 wires Length: 17 inch Heated: Yes Package Includes: 2 x Oxygen Sensor Auto Parts Depot ALWAYS PROVIDES HIGH QUALITY AUTO PARTS AND SERVICE.  If you receive the items have quality problems or damaged, please email us immediately, and we will provide you with some professional suggestions. If our sensor well meets your requirements, please give us some good rates and encouragement to help us move forward in a better direction. Thanks a lot!

## Features

- Warranty: 1-YEAR / 365-DAYS UNLIMITED MILEAGE WARRANTY. ALL THEBIGDEALS oxygen sensors are extensively tested during manufacturing to guarantee quality,reliability,and above all,always meet or exceed the original equipment specifications.Replace faulty sensors with confidence in THEBIGDEALS Oxygen Sensor.
- Interchange Number: Replaces# 15717 15716 15664 ZZC318861 XR3Z9G444CA. Length (Sensor to Lead):432 mm (17 in). Directly Fit your vehicle when the plug and the length is the same as your original sensor.
- Quality: THEBIGDEALS oxygen sensors are produced as the OE standards which can prevent premature failure of the catalytic converter, reduce harmful emissions, improve engine performance and increase fuel efficiency.
- Bank 1 Sensor 1 means Upstream Right/Rear;Bank 2 Sensor 1 means Upstream Left/Front;Bank 1 Sensor 2 means Downstream Right/Rear;Bank 2 Sensor 2 means Downstream Left/Front.
- Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing. If you have any questions, please email us, we try to answer all emails within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | THEBIGDEALS |
| Brand | THEBIGDEALS |
| Model | T25717X |
| Item Weight | 7.4 ounces |
| Package Dimensions | 5.75 x 2.64 x 1.77 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | T257171X |

## Product Details

- **Brand:** THEBIGDEALS
- **Material:** Lead
- **Style:** Modern
- **Measurement Accuracy:** [high]
- **Mounting Type:** Flange Mount

## Images

![THEBIGDEALS T257171X Oxygen Sensor Upstream & Downstream for Aston Martin Ford Jaguar Lincoln Mazda Mercury - Image 1](https://m.media-amazon.com/images/I/61mUi8UmumL.jpg)

## Questions & Answers

**Q: I just want to be clear that these work for both I upstream and down stream? Usually the parts are different... my vehicle 2005 mountaineer v8 has 4.**
A: It did work for both on my 2000 BMW

**Q: 2003 lincoln navigator 5.4l obdii is codeing bank 1 sensor 1 runnin lean bank 2 sensor one runnin rich/ will these o2 sensors set to factory oem sects**
A: did you start at the beginning sorce, o2 is oxygen start by cleaning, or replaceing your breather. look for obstruction. your mechanic will not tell you this. that is why i am better than most.

**Q: Will this work on 2002 Mazda tribute**
A: It does not fit but the T25718X fits the 2002 Mazda tribute

**Q: Will these fit my 1999 ford ranger xlt v6 4.0L?**
A: only fit upstream position

## Customer Reviews

### ⭐⭐⭐⭐⭐ Si muy buena calidad
*by D***  on August 26, 2024*

Si muy buena calidad

### ⭐⭐⭐⭐⭐ Very reliable!
*by B***7 on February 23, 2021*

Best price available and worked well.

### ⭐⭐⭐⭐ Fits perfectly in
*by D***R on December 10, 2023*

Works great

## Frequently Bought Together

- THEBIGDEALS T257171X Oxygen Sensor Upstream & Downstream for Aston Martin Ford Jaguar Lincoln Mazda Mercury
- A ABIGAIL 5 PCS Automotive O2 Oxygen Sensor Socket Offset 02 sensor Wrench Remover Tool and Thread Chaser Tool
- Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars

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**Shop now:** [https://www.desertcart.sk/products/68524243-thebigdeals-t257171x-oxygen-sensor-upstream-and-downstream-for-aston-martin](https://www.desertcart.sk/products/68524243-thebigdeals-t257171x-oxygen-sensor-upstream-and-downstream-for-aston-martin)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-23*