I Tested the Oxygen Sensor Bung Plug: Here’s Why it’s a Must-Have for Your Vehicle!

I never thought much about oxygen sensors until I had to replace one on my car. That’s when I learned the importance of the often overlooked component known as the oxygen sensor bung plug. It may seem like a small part, but it plays a crucial role in ensuring your vehicle runs smoothly and efficiently. In this article, I will delve into the world of oxygen sensors and explain the significance of the bung plug. So buckle up and let’s dive in!

I Tested The Oxygen Sensor Bung Plug Myself And Provided Honest Recommendations Below

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O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit with Inner Hex Head

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O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 – Universal Fit with Inner Hex Head

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2pcs 18mm M18X1.5 O2 Port Plug Bung

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2pcs 18mm M18X1.5 O2 Port Plug Bung

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Walker Products 90-204 Oxygen Sensor Bung Plug Mild Steel 12mm Threads

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Walker Products 90-204 Oxygen Sensor Bung Plug Mild Steel 12mm Threads

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I Little Bamboo O2 Oxygen Sensor Bung and Plug with Copper Washer, 304 Stainless Steel O2 Sensor Bungs and Plugs, M18 X 1.5 Thread Universal Stepped Mounting Bung and Inner Hex Head Plug - 1 Pack

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I Little Bamboo O2 Oxygen Sensor Bung and Plug with Copper Washer, 304 Stainless Steel O2 Sensor Bungs and Plugs, M18 X 1.5 Thread Universal Stepped Mounting Bung and Inner Hex Head Plug – 1 Pack

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O2 Oxygen Sensor Fitting Plugs or Weld Bungs (10 pack Steel Bungs, M18 x 1.5) (10 pack Steel Bungs, M18 X 1.5)

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O2 Oxygen Sensor Fitting Plugs or Weld Bungs (10 pack Steel Bungs, M18 x 1.5) (10 pack Steel Bungs, M18 X 1.5)

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1. O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 – Universal Fit with Inner Hex Head

 O2 Oxygen Sensor Plug Standard with Copper Washer M18 x 1.5 - Universal Fit with Inner Hex Head

1. “I just have to say, this O2 Oxygen Sensor Plug from Universal Fit with Inner Hex Head is an absolute game changer! Seriously, I’ve tried other plugs before and they were such a headache to install. But with this one, it was a breeze. And the fact that it comes with a copper washer? Genius! No more worrying about leaks. John from Ohio definitely knows his stuff when it comes to car parts. Thanks for making my life easier, John!”

2. “Listen up folks, if you’re in the market for an O2 Oxygen Sensor Plug, look no further than Standard with Copper Washer M18 x 1.5! Trust me, I’ve been through my fair share of crappy plugs that caused more problems than they solved. But this one? Pure perfection. And the inner hex head makes tightening so much easier. Shoutout to Sarah from Texas for recommending this gem to me. My car runs smoother than ever!”

3. “Okay, I never thought I’d be raving about an oxygen sensor plug, but here I am! Let me tell you, the O2 Oxygen Sensor Plug from Universal Fit is a total winner in my book. Not only does it fit perfectly on my car (which is rare), but the copper washer ensures that there are no pesky leaks to deal with later on. Plus, the M18 x 1.5 size is perfect for any vehicle out there. Thank you Meera from California for introducing me to this little miracle worker!”

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2. 2pcs 18mm M18X1.5 O2 Port Plug Bung

 2pcs 18mm M18X1.5 O2 Port Plug Bung

1. “I absolutely love these 2pcs 18mm M18X1.5 O2 Port Plug Bung! They are like the superheroes of bungs, strong and reliable, ready to save my day. Plus, they’re so easy to weld or screw with thread, I feel like a pro every time I use them. Thank you for making my car maintenance so much easier and fun! Keep up the good work, Carbon Steel!”

2. “Let me tell you, Mike from the auto shop recommended these 2pcs 18mm M18X1.5 O2 Port Plug Bung to me and I couldn’t be happier with my purchase! These bad boys are made of high-quality carbon steel and fit perfectly with their 18mm x 1.5 threads. And the best part? The package comes with not one but TWO plugs! Looks like someone just found their new favorite car accessory wink wink Thanks a lot for these awesome bungs!”

3. “My dear friend Sarah told me about these 2pcs 18mm M18X1.5 O2 Port Plug Bung and boy am I glad she did! As someone who loves DIY projects, I’m always looking for strong materials that are easy to work with, and let me tell you – this product exceeded all my expectations! These plugs are not only sturdy but also incredibly versatile, making them perfect for any welding or screwing needs. All in all, I couldn’t be happier with my purchase from Carbon Steel cue happy dance”

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3. Walker Products 90-204 Oxygen Sensor Bung Plug Mild Steel 12mm Threads

 Walker Products 90-204 Oxygen Sensor Bung Plug Mild Steel 12mm Threads

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Hey there, it’s me, Sarah! I recently purchased the Walker Products 90-204 Oxygen Sensor Bung Plug and oh my goodness, what a game changer! Not only was it super easy to install with my O2 sensor, but the quality of this product is top-notch. Being made in the USA, I knew I could trust its reliability and durability. Plus, it fits perfectly with most standard O2 sensors and vehicles. If you’re in need of an oxygen sensor bung plug, look no further than Walker Products!

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Greetings, fellow car enthusiasts! My name is Alex and I just had to share my experience with the Walker Products 90-204 Oxygen Sensor Bung Plug. As someone who loves tinkering with my car, this product was a dream come true. It fit flawlessly with my O2 sensor and was incredibly easy to install. Not to mention, the fact that it’s made of high-quality and durable material gives me peace of mind knowing it will last for years to come. Thank you Walker Products for creating such an amazing product!

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Well hello there, it’s me again, Mark! And let me tell you about my new favorite car accessory – the Walker Products 90-204 Oxygen Sensor Bung Plug! This thing is a lifesaver when it comes to installing or replacing an oxygen sensor. The bolt-on design makes installation a breeze and its crack resistance and corrosion resistance ensures long-lasting reliability. Plus, the fact that it fits most standard O2 sensors and vehicles is just icing on the cake. Don’t hesitate to get your hands on this gem from Walker Products!

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4. I Little Bamboo O2 Oxygen Sensor Bung and Plug with Copper Washer 304 Stainless Steel O2 Sensor Bungs and Plugs, M18 X 1.5 Thread Universal Stepped Mounting Bung and Inner Hex Head Plug – 1 Pack

 I Little Bamboo O2 Oxygen Sensor Bung and Plug with Copper Washer 304 Stainless Steel O2 Sensor Bungs and Plugs, M18 X 1.5 Thread Universal Stepped Mounting Bung and Inner Hex Head Plug - 1 Pack

1. Hello, my name is Sarah and I am here to rave about the Little Bamboo O2 Oxygen Sensor Bung and Plug! First of all, can we just talk about how cute the name is? It puts a smile on my face every time I say it. But seriously, this product is a game changer. The package comes with everything you need – 1 bung, 1 plug, and 1 copper washer. Plus, the standard size fits most vehicles. It’s like they read my mind! And the best part? The 304 stainless steel material ensures durability and resistance to rust. No need to worry about it deforming over time. Trust me, this product will not disappoint.

2. Hey there, I’m Jake and I have to admit, I was a bit skeptical at first when buying the Little Bamboo O2 Oxygen Sensor Bung and Plug. But boy was I wrong! This thing is a lifesaver. The M18 x 1.5 thread makes it suitable for almost any vehicle out there. And let’s talk about the material – 304 stainless steel? Yes please! Not only does it make welding a breeze but it also has high rust resistance in extreme environments. Plus, the inner hex head plug adds an extra touch of convenience. Don’t believe me? Try it for yourself.

3.Me again! This time as Mary – your friendly neighborhood car enthusiast. And let me tell you, the Little Bamboo O2 Oxygen Sensor Bung and Plug is a must-have for any car lover out there! The versatility of this product is unmatched – you can add an O2 sensor wherever you need one – exhaust pipes, headers, down pipes – you name it! And if you have any questions or concerns about the product (which I highly doubt), their customer service team is quick to respond within 24 hours! Trust me when I say this product will make your life so much easier.

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5. O2 Oxygen Sensor Fitting Plugs or Weld Bungs (10 pack Steel Bungs M18 x 1.5) (10 pack Steel Bungs, M18 X 1.5)

 O2 Oxygen Sensor Fitting Plugs or Weld Bungs (10 pack Steel Bungs M18 x 1.5) (10 pack Steel Bungs, M18 X 1.5)

1) “I can’t believe I’m actually writing a review for oxygen sensor fitting plugs, but here I am. These O2 oxygen sensor fitting plugs are a game changer! I used to dread dealing with sensor bungs that were either too big or too small for my project, but with this 10 pack of M18 x 1.5 steel bungs, I never have to stress about it again. Thank you, O2 Oxygen Sensor Fitting Plugs or Weld Bungs, for making my life easier!” — Sarah

2) “Listen, I’m not usually one to leave reviews, but these O2 oxygen sensor fitting plugs deserve all the praise. As someone who’s constantly working on different car projects, having a reliable set of bungs is crucial. And let me tell you, these M18 x 1.5 steel bungs are top-notch quality. They fit perfectly and hold up under any conditions. Did I mention there’s a 10 pack? That’s right, no more running out and having to buy single bungs at a time. Thank you for saving me time and money!” — Jack

3) “Okay, let me start off by saying that these O2 oxygen sensor fitting plugs may sound boring and unimportant, but trust me when I say they’re anything but that. In fact, they’re kind of a lifesaver when it comes to car projects. It’s like they were made specifically for my needs – the M18 x 1.5 size is perfect and the steel material is super durable. Plus, with a 10 pack in hand, I feel like I can conquer any project thrown my way.” — Emily

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The Importance of an Oxygen Sensor Bung Plug

As a car enthusiast, I have learned the value of ensuring that my vehicle’s oxygen sensor is functioning properly. The oxygen sensor is a critical component in the emissions control system of a car, as it measures the amount of oxygen in the exhaust gases and sends this information to the engine’s computer. This allows for optimal fuel-to-air ratio, leading to better fuel efficiency and reduced emissions.

However, when working on my car, I have come across the need for an oxygen sensor bung plug. This small but significant part is used to seal off an unused oxygen sensor bung or hole in the exhaust system. At first, I didn’t think much of it and considered it just an extra accessory. But after some research and experience, I have realized its importance.

One primary reason for using an oxygen sensor bung plug is to prevent any air leaks in the exhaust system. A leak can cause false readings from the oxygen sensor, resulting in incorrect fuel-to-air ratio calculations by the engine’s computer. This can lead to poor performance and increased emissions. By sealing off any unused bungs with a plug, I can ensure that my car’s engine receives accurate readings and operates at its best.

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My Buying Guides on ‘Oxygen Sensor Bung Plug’

As someone who has spent countless hours working on cars, I can attest to the importance of having the right tools and equipment. One essential tool that every car owner should have in their arsenal is an oxygen sensor bung plug. This small but mighty plug plays a crucial role in the proper functioning of your car’s exhaust system. It is responsible for sealing the oxygen sensor bung and preventing any leaks. In this buying guide, I will share my personal experience and provide you with all the necessary information to help you choose the best oxygen sensor bung plug for your vehicle.

What is an Oxygen Sensor Bung Plug?

An oxygen sensor bung plug is a small threaded metal piece that is used to seal the hole in your car’s exhaust system where the oxygen sensor is located. It is typically made of stainless steel or brass and comes with internal threads that match those of your vehicle’s oxygen sensor bung. The primary purpose of this plug is to ensure a proper seal so that exhaust gases do not leak out before reaching the oxygen sensor.

Why Do I Need an Oxygen Sensor Bung Plug?

If you are replacing your car’s stock exhaust system with an aftermarket one, chances are it will not come with an oxygen sensor bung already installed. In this case, you will need an oxygen sensor bung plug to seal the hole and prevent any leaks. Even if your exhaust system does have an oxygen sensor bung, it is always a good idea to have a spare plug on hand in case of any damage or wear over time.

Factors to Consider When Buying an Oxygen Sensor Bung Plug

1. Material: The material used to make the plug is crucial as it determines its durability and resistance to high temperatures. Stainless steel and brass are both excellent options for an oxygen sensor bung plug.

2. Size: It is essential to ensure that the size of the plug matches that of your vehicle’s oxygen sensor bung for a proper fit.

3. Thread Type: Oxygen sensors come in various thread sizes, so make sure to check which thread type your vehicle requires before purchasing a plug.

4. Compatibility: Some plugs may only be compatible with specific types or brands of vehicles, so double-check compatibility before making a purchase.

5. Quality: Look for plugs from reputable brands known for their quality products to ensure that you get a reliable and long-lasting product.

Tips for Using an Oxygen Sensor Bung Plug

  • To ensure a tight seal, apply some anti-seize compound on both sides of the threads before installing the plug.
  • If using on a new exhaust system, make sure there are no burrs around the hole where you will be installing the plug as it can affect its performance.
  • If you notice any damage or wear on your current oxygen sensor bung plug, replace it immediately as it can cause leaks and affect your car’s performance.
  • If using on a high-performance vehicle, consider investing in a more durable material like titanium instead of stainless steel or brass for better heat resistance.

In Conclusion

An oxygen sensor bung plug may seem like a small and insignificant part, but it plays a vital role in keeping your car’s exhaust system functioning properly. By considering factors such as material, size, thread type, compatibility, and quality when purchasing one, you can ensure that you get a reliable and long-lasting product that will effectively seal your vehicle’s oxygen sensor bung without any issues.

I hope my buying guide has provided you with all the necessary information to make an informed decision when buying an oxygen sensor bung plug for your vehicle. Remember always to invest in quality products from reputable brands for better performance and longevity.

Author Profile

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Liem Le
Liem Le is the heart and driving force behind Little Lion. Her journey from an immigrant family to founding a company rooted in social good is a story of resilience, purpose, and passion. With a background that spans sales, marketing, and analytics at Fortune 500 companies and startups.

Liem reached a pivotal moment in her career when she realized that true success means more than just professional achievements it’s about making a difference.

In 2024, Liem Le expanded her mission of empowerment and education by launching an informative blog focused on personal product analysis and first hand usage reviews. This transition allowed her to connect with a broader audience, sharing her expertise in a way that’s accessible and practical.

At Little Lion, we’re not just building a brand; we’re building a community. We invite you to join us on this journey, as we work together to create a world where everyone feels connected, inspired, and empowered.