Looking for the best O2 sensor for your Honda Accord LX EX 2.4L? Discover top-rated options that boost fuel efficiency, reduce emissions, and keep your engine running smoothly—all with our expert guidance.
Finding the best O2 sensor for your Honda Accord LX EX 2.4L can feel overwhelming. But don’t worry, we’ve got you covered. Our guide makes it easy to choose the right sensor for your car.
O2 sensors improve fuel efficiency, reduce emissions, and keep your engine running smoothly. They’re small but play a big role in your car’s performance.
Ready to upgrade your ride? Let’s explore the top O2 sensors that fit your Honda Accord perfectly. Drive smarter and save money with the right choice.
List of Top 10 O2 Sensor For Honda Accord LX EX 2.4L
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
2 PCS Oxygen Sensor Upstream Downstream O2 Sensor Compatible with 2003-2007 Honda Accord EX LX, 2003-2005 Accord DX, 2007 Accord SE, 2006-2007 Accord VP 2.4L L4 Replace 234-4797 234-9040 13704 2344363 |
This product is perfect for Honda Accord owners who want to save fuel and drive smoothly. It is great for anyone who needs a reliable, long-lasting O2 sensor for 2003-2007 Accord models. |
|
![]() |
2PCS Upstream Downstream O2 Sensor Replacement O2 Oxygen Sensor Compatible with Honda Accord LX EX EX-L LX-S EX-P 2.4L 2008-2012 Acura TSX 2.4L 2009-2014 234-9091 234-4462 |
This product is perfect for Honda Accord and Acura TSX owners looking to replace their O2 sensors. It offers an easy installation, improving engine performance and fuel efficiency while reducing emissions. Drivers who need a reliable, durable part will find this a great fit for their vehicle. |
|
![]() |
AULINK 2 PCS 234-4797 234-9040 Oxygen Sensor Upstream & Downstream (2.4L Only) for Honda Accord DX EX LX SE 2003 2004 2005 2006 2007 36531RAAA01 2344363 |
Honda Accord owners with a 2.4L engine seeking reliable oxygen sensors will find this product ideal. It fits 2003-2007 models, ensures long-lasting performance with a corrosion-resistant design, and includes a 1-year warranty for peace of mind. |
|
![]() |
2PCS Oxygen O2 Sensor 234-9091 234-4462 Upstream Downstream for Honda Accord 2008 2009 2010 2011 2012 EX EX-L LX LX-P LX-S SE 2.4L L4 CR-V CRV 2007-2011 Acura TSX 2009-2014 336531R40A01 36532R40A01 |
This product is perfect for car owners who want to improve fuel efficiency and engine performance. It’s ideal for those with Honda Accord, CR-V, or Acura TSX models from 2007 to 2014. |
|
![]() |
2Pcs 234-9040 234-4797 Oxygen O2 Sensor Upstream and Downstream Compatible with Honda Accord 2003 2004 2005 2006 2007 LX EX DX EX-L SE 2.4L L4 2354cc, Replace # 234-9040 234-4797 234-4363 13704 |
This product is perfect for Honda Accord owners with a 2.4L engine from 2003 to 2007. It’s easy to install and improves fuel efficiency while reducing emissions. |
|
![]() |
ITOM O2 Oxygen Sensor Downstream Upstream Replacement for Honda Accord EX LX DX SE 2003 2004 2005 2006 2007 L4 2.4L 234-9040 234-4797 Set of 2 |
This ITOM O2 Oxygen Sensor is perfect for Honda Accord owners looking for a reliable replacement part. It fits 2003-2007 models with a 2.4L engine, helping to improve fuel efficiency and engine performance. If you need a high-quality oxygen sensor for your vehicle, this is the right choice. |
|
![]() |
Upstream and Downstream Oxygen O2 Sensor for Honda Accord 2003-2007 2.4L Replaces 234-4797 234-9040 13704 2344363 |
Honda Accord owners with a 2.4L engine (2003-2007 models) needing reliable oxygen sensors. This 2-piece set includes upstream and downstream sensors matching OEM numbers like 234-9040 and 234-4797 for easy fit. Built with double laser-welded stainless steel for precise air-fuel control and optimized engine performance, backed by a 1-year warranty. |
|
![]() |
Oxygen O2 Sensor Upstream for Honda Accord EX LX SE DX Value 2.4L 2003 2004 2005 2006 2007 Accord Special Edition 2.4L 2007, Replace 234-9040 |
This O2 sensor is perfect for Honda Accord owners with 2.4L engines (2003-2007 models) needing a reliable replacement. It solves issues like rough idling, stalling, poor acceleration, and high fuel use while ensuring compatibility with part numbers listed. |
|
![]() |
Oxygen O2 Sensor Upstream and Downstream for Honda Accord DX EX LX SE Special Edition Value 2.4L 2003 2004 2005 2006 2007, Replace 234-9040 234-4797 2Pcs |
This Oxygen O2 Sensor is perfect for Honda Accord owners with 2.4L engines from 2003-2007 needing reliable upstream/downstream replacements. It fixes issues like unstable idling, poor acceleration, and high fuel consumption with long-lasting, high-heat resistance. Always confirm your vehicle’s year, model, and part number for the best fit. |
|
![]() |
Marsflex O2 Oxygen Sensor 234-4797 Downstream Compatible with Honda 2003-2007 Accord EX/EX-L/LX/DX/SE L4 2.4L Replacement 36532-RAA-A01 13704 |
This Marsflex O2 Oxygen Sensor is perfect for Honda and Acura owners who need a reliable replacement for their 2003-2007 Accord or 2004-2008 TSX. It’s easy to install and improves engine performance, making it ideal for those seeking better fuel economy and longer catalytic converter life. |
Detailed Reviews
Finding the perfect O2 sensor for your Honda Accord LX/EX 2.4L can boost fuel efficiency, cut emissions, and ensure smooth performance. Our top picks are tested for precision, built with durable materials, and designed for easy installation. From upstream/downstream sets to direct-fit replacements, these sensors deliver reliable engine monitoring and long-term savings. Trust our expert guide to pick the best O2 sensor that matches your car’s needs flawlessly.
1. 2 PCS Oxygen Sensor Upstream Downstream O2 Sensor Compatible with 2003-2007 Honda Accord EX LX, 2003-2005 Accord DX, 2007 Accord SE, 2006-2007 Accord VP 2.4L L4 Replace 234-4797 234-9040 13704 2344363

This O2 sensor fits 2003-2007 Honda Accord models with a 2.4L L4 engine. It replaces part numbers like 234-4797 234-9040 for easy installation.
Fuel savings and cleaner emissions come from smart sensing tech. Built with premium materials for heat resistance and long life. Ensures a smooth ride with real-time engine data.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for Honda Accord owners who want to save fuel and drive smoothly. It is great for anyone who needs a reliable, long-lasting O2 sensor for 2003-2007 Accord models.
Ready to Purchase?
2. 2PCS Upstream Downstream O2 Sensor Replacement O2 Oxygen Sensor Compatible with Honda Accord LX EX EX-L LX-S EX-P 2.4L 2008-2012 Acura TSX 2.4L 2009-2014 234-9091 234-4462

Upgrade your vehicle’s performance with this 2-piece O2 sensor set. It’s compatible with Honda and Acura models. Enjoy better fuel efficiency and lower emissions.
Easy installation means no modifications are needed. It’s a direct replacement for your original sensors.
Our customer support ensures a hassle-free experience. We offer returns, warranty, and expert guidance. Drive with confidence and peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for Honda Accord and Acura TSX owners looking to replace their O2 sensors. It offers an easy installation, improving engine performance and fuel efficiency while reducing emissions. Drivers who need a reliable, durable part will find this a great fit for their vehicle.
Ready to Purchase?
3. AULINK 2 PCS 234-4797 234-9040 Oxygen Sensor Upstream & Downstream (2.4L Only) for Honda Accord DX EX LX SE 2003 2004 2005 2006 2007 36531RAAA01 2344363

The AULINK Oxygen Sensor is a perfect fit for specific Honda Accord models. It works with 2.4L engines from 2003 to 2007. This 2-piece set includes both upstream and downstream sensors.
It prevents clogging by keeping water out. The stainless steel body resists rust and lasts longer. This ensures better engine performance and fuel efficiency.
Enjoy a 1-year warranty or 50,000 km of use. The double laser-welded design makes it durable and reliable. Upgrade your car with this premium oxygen sensor.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Honda Accord owners with a 2.4L engine seeking reliable oxygen sensors will find this product ideal. It fits 2003-2007 models, ensures long-lasting performance with a corrosion-resistant design, and includes a 1-year warranty for peace of mind.
Ready to Purchase?
4. 2PCS Oxygen O2 Sensor 234-9091 234-4462 Upstream Downstream for Honda Accord 2008 2009 2010 2011 2012 EX EX-L LX LX-P LX-S SE 2.4L L4 CR-V CRV 2007-2011 Acura TSX 2009-2014 336531R40A01 36532R40A01

Upgrade your ride with the 2PCS Oxygen O2 Sensor. It fits Honda Accord, CR-V, and Acura TSX models perfectly. These sensors are built to last and perform well.
Made from stainless steel and heat-resistant materials, they ensure long-term stability. The plug-and-play design makes installation quick and easy.
Save money on fuel and boost engine performance. These sensors improve efficiency and reduce consumption. Get more miles per gallon with this simple upgrade.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for car owners who want to improve fuel efficiency and engine performance. It’s ideal for those with Honda Accord, CR-V, or Acura TSX models from 2007 to 2014.
Ready to Purchase?
5. 2Pcs 234-9040 234-4797 Oxygen O2 Sensor Upstream and Downstream Compatible with Honda Accord 2003 2004 2005 2006 2007 LX EX DX EX-L SE 2.4L L4 2354cc, Replace # 234-9040 234-4797 234-4363 13704

2Pcs Oxygen O2 Sensor fits Honda Accord 2003-2007 2.4L. Replaces part numbers 234-9040, 234-4797, 234-4363. Direct fit, no mods needed.
High-temp resistant material ensures fast response. Dual protection layers boost longevity and reliability.
Monitors emissions and boosts fuel efficiency. Reduces pollution for safer driving.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for Honda Accord owners with a 2.4L engine from 2003 to 2007. It’s easy to install and improves fuel efficiency while reducing emissions.
Ready to Purchase?
6. ITOM O2 Oxygen Sensor Downstream Upstream Replacement for Honda Accord EX LX DX SE 2003 2004 2005 2006 2007 L4 2.4L 234-9040 234-4797 Set of 2

The ITOM O2 Oxygen Sensor is a perfect fit for many Honda Accord models from 2003 to 2007. It works with upstream and downstream positions, ensuring accurate engine monitoring.
Made with high-quality materials and laser welding, this sensor offers stronger sealing and faster response. It improves fuel efficiency and engine performance, giving you a long-lasting solution.
Easy to install, reliable, and affordable. ITOM ensures your car runs smoothly and efficiently.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ITOM O2 Oxygen Sensor is perfect for Honda Accord owners looking for a reliable replacement part. It fits 2003-2007 models with a 2.4L engine, helping to improve fuel efficiency and engine performance. If you need a high-quality oxygen sensor for your vehicle, this is the right choice.
Ready to Purchase?
7. Upstream and Downstream Oxygen O2 Sensor for Honda Accord 2003-2007 2.4L Replaces 234-4797 234-9040 13704 2344363

Includes 2 oxygen sensors for Honda Accord 2.4L models. Upstream (234-9040) and downstream (234-4797) sensors provided. Fits 2003-2007 Accord trims like DX, EX, LX, and SE.
Built with double laser-welded stainless steel for durability. Improves engine performance by optimizing air-fuel ratio.
1-year warranty ensures reliability. Direct fit replacement for easy installation.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Honda Accord owners with a 2.4L engine (2003-2007 models) needing reliable oxygen sensors. This 2-piece set includes upstream and downstream sensors matching OEM numbers like 234-9040 and 234-4797 for easy fit. Built with double laser-welded stainless steel for precise air-fuel control and optimized engine performance, backed by a 1-year warranty.
Ready to Purchase?
8. Oxygen O2 Sensor Upstream for Honda Accord EX LX SE DX Value 2.4L 2003 2004 2005 2006 2007 Accord Special Edition 2.4L 2007, Replace 234-9040

The Oxygen O2 Sensor Upstream fits Honda Accord models from 2003 to 2007. It works with 2.4L engines in EX, LX, SE, DX, and Special Edition trims. This sensor replaces part number 234-9040 and others.
Made by LuxOxyPro, this sensor uses high-quality materials that handle up to 650°C. It has a faster response time and lasts longer than others.
The O2 sensor keeps your engine running smoothly. It fixes issues like unstable idling and high fuel use. Check compatibility before buying to ensure it fits your car.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This O2 sensor is perfect for Honda Accord owners with 2.4L engines (2003-2007 models) needing a reliable replacement. It solves issues like rough idling, stalling, poor acceleration, and high fuel use while ensuring compatibility with part numbers listed.
Ready to Purchase?
9. Oxygen O2 Sensor Upstream and Downstream for Honda Accord DX EX LX SE Special Edition Value 2.4L 2003 2004 2005 2006 2007, Replace 234-9040 234-4797 2Pcs

Revitalize your Honda Accord’s performance with the Oxygen O2 Sensor Upstream and Downstream. Designed for 2003-2007 models, it ensures your engine runs smoothly and efficiently.
Fits multiple Honda Accord versions, including SE, LX, EX, DX, and Special Edition. Replaces part numbers like 234-9040 and 234-4797. Always check compatibility before buying.
Made with high-quality materials, it withstands up to 650°C and offers faster response times. Improves engine performance, reducing issues like unstable idling and high fuel consumption.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Oxygen O2 Sensor is perfect for Honda Accord owners with 2.4L engines from 2003-2007 needing reliable upstream/downstream replacements. It fixes issues like unstable idling, poor acceleration, and high fuel consumption with long-lasting, high-heat resistance. Always confirm your vehicle’s year, model, and part number for the best fit.
Ready to Purchase?
10. Marsflex O2 Oxygen Sensor 234-4797 Downstream Compatible with Honda 2003-2007 Accord EX/EX-L/LX/DX/SE L4 2.4L Replacement 36532-RAA-A01 13704

The Marsflex O2 Oxygen Sensor 234-4797 is a downstream oxygen sensor for Honda 2003–2007 Accord and Acura TSX models. It replaces part numbers like 36532-RAA-A01 and ensures proper fit for specific trims and engines.
High-quality materials boost durability and engine performance. The sensor improves fuel economy and extends catalytic converter life. It’s built to OE specs for easy installation and comes with a 1-year warranty.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Marsflex O2 Oxygen Sensor is perfect for Honda and Acura owners who need a reliable replacement for their 2003-2007 Accord or 2004-2008 TSX. It’s easy to install and improves engine performance, making it ideal for those seeking better fuel economy and longer catalytic converter life.
Ready to Purchase?
Buying Guide
Finding the right O2 sensor for your Honda Accord LX EX 2.4L is easy with our guide. We’ll help you choose the best one for your car.
Buying an O2 sensor can feel overwhelming, but we’ve made it simple. Here’s what to consider when choosing the perfect sensor for your Honda Accord.
-
Compatibility:
Make sure the sensor fits your Honda Accord LX EX 2.4L. Check the year, make, and model to avoid mistakes. -
Position:
Decide if you need an upstream or downstream sensor. Some kits include both for complete replacement. -
Material Quality:
Look for sensors made with stainless steel and heat-resistant materials. These last longer and perform better. -
Installation:
Choose a plug-and-play sensor for easy installation. No modifications should be needed for a direct fit. -
Performance:
Pick a sensor that improves fuel efficiency and reduces emissions. It should also enhance engine performance. -
Warranty:
A 1-year warranty or 50,000 km guarantee gives you peace of mind. Check for returns and customer support too. -
Price:
Compare prices to find the best value. A higher price doesn’t always mean better quality. -
Brand Reputation:
Choose a trusted brand known for reliability and durability. Read reviews to make an informed choice.
With these factors in mind, you’ll find the perfect O2 sensor for your Honda Accord LX EX 2.4L. Drive smarter and save money with the right upgrade.