Best Front Oxygen Sensors of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 5, 2025

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Front oxygen sensors are a crucial component of a vehicle’s emissions control system. These sensors are located in the exhaust manifold and work by monitoring the amount of oxygen in the exhaust gases. This information is then sent to the engine control module, which adjusts the air/fuel ratio to ensure optimal performance and reduce harmful emissions. Front oxygen sensors are designed to withstand high temperatures and are made from durable materials to ensure reliable performance. They are available for a wide range of vehicles and are an essential part of any vehicle’s emission control system.

At a Glance: Our Top Picks

Oxygen Sensor for Ford, Lincoln, Mercury & Mazda Cover #TOP 1
Oxygen Sensor for Ford, Lincoln, Mercury & Mazda
ftb score rating icon 9.8
A-Premium O2 Sensor for Honda & Acura Cover #TOP 2
A-Premium O2 Sensor for Honda & Acura
ftb score rating icon 9.7
Dropwater Front Oxygen Sensor Cover #TOP 3
Dropwater Front Oxygen Sensor
ftb score rating icon 9.5

Top 10 Front Oxygen Sensors

#TOP 1

Oxygen Sensor for Ford, Lincoln, Mercury & Mazda

603717038689
15717
Oxygen Sensor for Ford, Lincoln, Mercury & Mazda Cover
Oxygen Sensor O2 Sensor Front Rear Upstream Downstream for Ford, Lincoln, Mercury & Mazda - Ranger, Mustang, Expedition, Explorer, Escape, F150, Tribute Compatible with Bosch 15717 15718 (1PCS)

This oxygen sensor is a perfect OE standard 15716 15717 15718 match for your Ford, Lincoln, Mercury, or Mazda vehicle. It improves engine performance, fuel economy, and reduces harmful emissions, while preventing premature catalytic converter damage. Made to the highest standards, the oxygen sensor is durable and guarantees accurate data transfer to the engine management system for optimal engine operation and longevity. It is easy to install and comes with pre-coated threads.

What We Like
Exact match OE standard 15716 15717 15718 oxygen sensor
Improves engine performance and fuel economy, reduces harmful emissions, and prevents premature catalytic converter damage
Durable and guarantees accurate data transfer to the engine management system for optimal engine operation and longevity
Easy to install with pre-coated threads
#TOP 2

A-Premium O2 Sensor for Honda & Acura

234-5010
A-Premium O2 Sensor for Honda & Acura Cover
A-Premium O2 Oxygen Sensor Upstream Front or Rear Compatible with Honda, Acura & Saturn Vehicles - Accord 2003-2007, Odyssey, Pilot, Ridgeline, MDX, RL, TL, Vue, 3.0L 3.2L 3.5L

The A-Premium O2 Sensor is designed to fit various Honda and Acura models, ensuring compatibility with vehicles like the Accord and MDX. Its reference numbers provide a quick way to verify the right fit for your vehicle. This sensor features a heated type, which enhances performance by providing accurate readings, while its threaded mounting allows for easy installation without the need for special tools. You can trust the quality construction of this sensor, made from premium materials for durability and longevity, giving you peace of mind on the road.

What We Like
Easy installation
Wide vehicle compatibility
Durable materials
Accurate performance
#TOP 3

Dropwater Front Oxygen Sensor

Dropwater
234-4829
Black
Dropwater Front Oxygen Sensor Cover
Dropwater Front Oxygen Sensor Compatible with Audi Vw Beetle Cc Jetta Golf Eos Cc 2.0L 2014-2006 Upstream O2 Sensor 234-4829

The Dropwater Front Oxygen Sensor is a compatible replacement part for Audi VW Beetle CC Jetta Golf Eos CC 2.0L models from 2014 to 2006. This high-quality sensor features a chip from a top supplier, ensuring quicker response times and reliable performance. It undergoes a 100% test before shipment, guaranteeing its functionality. With pre-coated threads, installation becomes easier. This sensor helps reduce harmful emissions, increase fuel economy, improve engine performance, and prevent premature failure of the catalytic converter. Bank 1 Sensor 1 is the upstream right/rear sensor, while Bank 2 Sensor 1 is the upstream left/front sensor. Bank 1 Sensor 2 is the downstream right/rear sensor, and Bank 2 Sensor 2 is the downstream left/front sensor. Upgrade your vehicle with the Dropwater Oxygen Sensor for enhanced performance and efficiency.

What We Like
Compatible Replacement
Quicker Response Times
Reduces Harmful Emissions
#TOP 4

YWIM Oxygen Sensor for Toyota and Subaru

YWIM
Oxygen Sensor
YWIM Oxygen Sensor for Toyota and Subaru Cover
YWIM 234-9010 Air Fuel Front Oxygen Sensor Compatible with 2000-2003 Toyota Camry Solara, 2001-2004 Subaru Outback Upstream O2 Sensor

The YWIM Oxygen Sensor is an excellent replacement option for various Toyota Camry and Subaru Outback models. It directly replaces old sensors, making installation easy and hassle-free. You won’t need any modifications, as it fits perfectly in the designated spot. Additionally, this sensor is built to last, featuring a stainless steel shell and high-quality seals to withstand high temperatures. The included pre-coated threads simplify the installation process, ensuring you can quickly get your vehicle back on the road without complications. Be sure to check your vehicle’s compatibility for a smooth replacement experience.

What We Like
Easy installation
Durable materials
Compatible with multiple models
Pre-coated threads

Maxfavor Oxygen Sensor for Nissan

Oxygen Sensor
Maxfavor Oxygen Sensor for Nissan Cover
Maxfavor 2Pcs Oxygen Sensor Upstream and Downstream O2 Sensor Fit For 2013 2012 2011 2010 Nissan Altima Maxima 3.5L,for 2009-2015 Nissan GT-R 3.8L 02 Sensor 234-9036 234-4381

The Maxfavor Oxygen Sensor is designed to fit various Nissan models from 2010 to 2015, including the Altima and GT-R. This replacement sensor enhances your vehicle's engine performance and fuel efficiency, which can lead to cost savings on gas. Made from durable materials, it offers longevity and reliability. Additionally, proper installation is straightforward, with clear steps provided to ensure you can replace your old sensor easily. By maintaining the correct oxygen levels, this sensor also helps extend the life of your catalytic converter, contributing to better overall vehicle health.

What We Like
Improves fuel economy
Enhances engine performance
Durable construction
Easy installation
#TOP 6

ACAUTO O2 Sensor for Honda Civic

234-4092, 234-4123
ACAUTO O2 Sensor for Honda Civic Cover
ACAUTO 2Pcs Oxygen O2 Sensor Upstream Downstream Compatible with Honda Civic 2001-2005 1.7L Front & Rear O2 Sensor Replaces 234-4092 234-4123 D17A7

The ACAUTO O2 Sensor is designed for Honda Civic models from 2001 to 2005, ensuring a perfect fit and compatibility. This sensor replaces several OE numbers, making it easy to find the right part for your vehicle. It features high-quality materials like platinum and stainless steel, providing accurate readings and long-lasting durability. With a fast-acting heater, the sensor reaches its optimal temperature quickly, enhancing performance. Installation is straightforward, thanks to direct-fit connections and pre-coated threads, saving you time and hassle.

What We Like
Easy installation
Durable high-quality materials
Quick temperature response
Compatible with multiple models
#TOP 7

A-Premium O2 Sensor for Honda & Acura

APOS0145CPC
A-Premium O2 Sensor for Honda & Acura Cover
A-Premium O2 Oxygen Sensor Compatible with Honda & Acura Models - Accord 08-17, Crosstour 12-15, Odyssey 11-17, Pilot 09-19, Ridgeline 09-14 17-19, MDX 10-20, RDX, RLX, TL - Upstream Front or Rear

The A-Premium O2 Sensor is designed for various Honda and Acura models, ensuring a perfect fit for your vehicle. It supports both upstream front and rear applications, making it versatile for different setups. With a heated sensor type and a threaded mounting style, installation is straightforward and efficient, enhancing your vehicle's performance. The sensor features a five-wire setup for reliable connectivity, ensuring accurate readings for optimal engine function. Plus, A-Premium backs this product with a one-year unlimited-mileage guarantee, giving you confidence in your purchase.

What We Like
Compatible with multiple models
Easy installation process
Heated sensor for reliability
One-year warranty
#TOP 8

A-Premium O2 Sensor for Toyota & Lexus

Compatible with Toyota/Subaru/Lexus
A-Premium O2 Sensor for Toyota & Lexus Cover
A-Premium O2 Oxygen Sensor Compatible with Toyota, Lexus, Subaru & Scion - Avalon, Highlander, Camry, RAV4, Tacoma, Sienna, Impreza, Forester, Outback, ES300h, ES350, RX350, tC - Upstream

The A-Premium O2 Sensor is designed to fit a wide range of Toyota, Lexus, Subaru, and Scion models, ensuring compatibility with various engines. This sensor helps optimize your vehicle's performance by accurately measuring oxygen levels, which is crucial for fuel efficiency and emissions control. With its durable construction and heated design, it provides reliable readings, even in extreme conditions. The sensor's male connector and threaded mounting type make installation straightforward, allowing you to quickly replace a faulty sensor and restore your vehicle's efficiency.

What We Like
Wide compatibility
Improves fuel efficiency
Easy installation
Durable construction

A-Premium O2 Oxygen Sensor for Saab, Saturn, Volvo

Compatible with Volvo/Saab/Saturn
A-Premium O2 Oxygen Sensor for Saab, Saturn, Volvo Cover
A-Premium O2 Oxygen Sensor Compatible with Saab 9-3, 9-5 & Saturn LS2, LW2 & Volvo C30, C70, S40, S60, S70, S80, V50, V70, XC70, XC90, 1999-2013, 2.3L 2.5L 3.0L, Replace# 30637016, 30637520

The A-Premium O2 Oxygen Sensor is compatible with Saab 9-3, 9-5 & Saturn LS2, LW2 & Volvo C30, C70, S40, S60, S70, S80, V50, V70, XC70, XC90 from 1999 to 2013, and is available in upstream and downstream front/downstream positions. With a 4-wire quantity, heated sensor type, and threaded mounting type, this oxygen sensor is a sturdy and ideal choice for direct replacement. A-Premium offers a 1-year unlimited-mileage warranty to ensure customer satisfaction.

What We Like
Compatible with a wide range of Saab, Saturn, and Volvo models from 1999 to 2013
Available in upstream and downstream front/downstream positions
4-wire quantity, heated sensor type, and threaded mounting type make for a sturdy and ideal choice for direct replacement
#TOP 10

Michigan Motorsports O2 Sensor Harness 2014+ GM

Michigan Motorsports O2 Sensor Harness 2014+ GM Cover
Michigan Motorsports O2 Harness 2014+ GM Truck SUV Upstream Front Oxygen Sensor Harness -Fits Silverado Sierra Tahoe Yukon Escalade Suburban (1)

The Michigan O2 Sensor Harness is a 24-inch extension designed for upstream sensors on various 2014-2020 GM Trucks and SUVs with 5.3L and 6.2L engines. This harness ensures a perfect fit for models like the Silverado, Sierra, Escalade, and Tahoe, making installation hassle-free. It's important to check that your vehicle has the correct dark gray connector before purchasing to avoid compatibility issues. With this extension harness, you can maintain optimal engine performance and fuel efficiency by ensuring proper sensor functionality, enhancing your driving experience.

What We Like
Easy installation
Compatible with multiple models
24-inch extension
Maintains engine performance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What does the front O2 sensor do?

The O2 sensor lets the computer know if the fuel mix is burning rich (not enough oxygen) or lean (too much oxygen). Knowing the ratio of fuel to air allows your vehicle's engine to make any necessary changes to ensure that your car runs like it should.

2. Are downstream and upstream O2 sensors the same?

The upstream oxygen sensor is located before the catalytic converter and is used to help calculate the air fuel mixture, and is often referred to a air fuel sensor. The downstream sensor is a heated oxygen sensor and reads the emissions after the catalytic converter.

3. Is there a difference between front and rear O2 sensors?

No. The front is actually an AF sensor that measures the oxygen content in the exhaust at a faster rate than the rear O2 that monitors CAT performance.

Editor's Notes

During our front oxygen sensor research, we found 24 front oxygen sensor products and shortlisted 10 quality products. We collected and analyzed 7,313 customer reviews through our big data system to write the front oxygen sensors list. We found that most customers choose front oxygen sensors with an average price of $32.83.

The front oxygen sensors are available for purchase. We have researched hundreds of brands and picked the top brands of front oxygen sensors, including A ABIGAIL, A-Premium, Dropwater, YWIM, Maxfavor. The seller of top 1 product has received honest feedback from 2,321 consumers with an average rating of 4.8.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.