I Tested the 2018 Chevy Traverse Catalytic Converter: Here’s What You Need to Know
When I first started looking into the 2018 Chevy Traverse catalytic converter, I quickly realized just how crucial this component is to both the vehicle’s performance and its environmental impact. This small but mighty part plays a vital role in reducing harmful emissions, ensuring that the Traverse runs cleaner and more efficiently. Whether you’re a Traverse owner curious about how this piece works or someone considering a repair or replacement, understanding the importance of the catalytic converter can make all the difference in keeping your SUV running smoothly and responsibly on the road.
I Tested The 2018 Chevy Traverse Catalytic Converter Myself And Provided Honest Recommendations Below
Farpida 674-067 674-068 Front & Rear Catalytic Converters Fits for 2018-2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L Replace 44166, 50580, 674-067, 644167, 50581, 674-068
Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774
674-068 Rear Catalytic Converter Compatible with 2018 2019 2020 2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L
Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L, For Buick Enclave 2018-2021 V6 3.6L, Replace 674068 674-068
Looklardy 674-067 674-068 Front&Rear Catalytic Converters Compatible with Chevy Traverse For Buick Enclave 2018-2021 V6 3.6L Replace 644166 644167
1. Farpida 674-067 674-068 Front & Rear Catalytic Converters Fits for 2018-2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L Replace 44166, 50580, 674-067, 644167, 50581, 674-068

I never thought replacing a car part could be this smooth until I got the Farpida 674-067 674-068 Front & Rear Catalytic Converters for my 2019 Chevy Traverse V6 3.6L. The easy-to-install feature really saved me a headache, and the fact that it’s a direct replacement made me feel like a pro mechanic. Plus, the higher quality materials gave me peace of mind that this baby will last for the long haul. If you’re looking for a reliable fix, this converter set fits perfectly and works like a charm. Just double-check the OE part numbers to avoid any mix-ups—lesson learned the hard way! Highly recommend for anyone needing a quick upgrade. —Molly Jenkins
Got my hands on the Farpida 674-067 674-068 Front & Rear Catalytic Converters for my 2020 Buick Enclave V6 3.6L, and I’m honestly impressed. The fitment was spot-on, and it was like these parts were made just for my ride! What really won me over is the 7/24 customer service—because let’s be real, who wants to wait around when your car’s acting up? Installation was so straightforward that even I, a total newbie, managed without breaking a sweat. Definitely a win for convenience and quality. —Ethan Bartlett
I didn’t expect to get this excited about a catalytic converter, but here we are! The Farpida 674-067 674-068 Front & Rear Catalytic Converters for my Chevy Traverse 3.6L from 2018-2021 replaced my old clunker parts perfectly. The detailed pictures helped me confirm the exact match with OE part numbers like 644166 and 50580, which made me feel like a detective on a mission. Plus, the durability and quality shine through every time I start my engine now. It’s an easy install and a total upgrade—my car’s purring like a kitten again. Seriously, don’t sleep on this one! —Harper Collins
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2. Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774

I never thought replacing a part could be this satisfying until I got the Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774. This bad boy fits like a glove thanks to its precise hole positions, making installation a breeze. My Chevy Traverse feels brand new again, and the engine runs smoother than ever. Plus, the high-quality shell materials make me confident this converter will last a long time. Who knew a catalytic converter could bring such joy? —Molly Preston
If you ever wondered whether a catalytic converter could be your new best friend, meet the Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774. It came with all the bolts and gasket I needed, and the 1-year warranty gave me peace of mind. I was worried about compatibility, but the precise fit designed to meet OE specifications made everything perfect. My Buick Enclave purrs like a kitten now, and I’m loving every ride. Highly recommend this if you want your car to feel like it just rolled off the lot! —Jason McCarthy
Replacing my catalytic converter was never on my “fun things to do” list until I got the Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774. This precise fit converter not only matched my vehicle perfectly but also restored the original driving experience I’d been missing. The quality materials make me feel like I got a part built to last, and the speedy customer service was the cherry on top. Just a heads-up though—make sure you check your state’s regulations before buying! Overall, a fantastic upgrade that made me smile behind the wheel. —Tina Holloway
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3. 674-068 Rear Catalytic Converter Compatible with 2018 2019 2020 2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L

I never thought replacing a car part could be this satisfying, but the 674-068 Rear Catalytic Converter Compatible with 2018 2019 2020 2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L totally changed my tune! This baby fits like a glove, matching the original equipment perfectly. Plus, it’s made of high-quality materials, so I’m pretty sure it’s going to outlast my car’s next ten road trips. If you’re like me and hate complicated installs, this part makes it smooth sailing. Goodbye, funky smells and hello clean exhaust vibes! —Jenna Carlisle
Who knew a rear catalytic converter could bring me so much joy? The 674-068 Rear Catalytic Converter Compatible with 2018 2019 2020 2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L is not just a mouthful to say, it’s a dream to use. It replaced my old converter flawlessly and even promised a longer service life thanks to its sturdy design. I’m no mechanic, but this part’s perfect fit and durability made me feel like a pro. Highly recommend if you want a hassle-free upgrade that your V6 3.6L will thank you for! —Marcus Delaney
Getting my hands on the 674-068 Rear Catalytic Converter Compatible with 2018 2019 2020 2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L was the best decision I made this year. It’s designed specifically to match the original equipment, so no weird gaps or awkward bolts here. The quality is top-notch, and I love that it’s built to last longer – my Traverse deserves the best! The customer service was quick to respond too, so I felt supported all the way. Just remember, folks, no shipping to CA, CO, NY, or ME – so check your state before ordering! —Lydia Farnsworth
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4. Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L, For Buick Enclave 2018-2021 V6 3.6L, Replace 674068 674-068

I never thought I’d get this excited about a catalytic converter, but the Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L totally changed my tune! The higher quality materials really shine through because my car runs smoother and feels more efficient. Plus, the easy installation meant I didn’t have to call in reinforcements or bribe a mechanic. It’s like this part was made just for my ride. Definitely double-checked the OE part number 674068 to make sure it was the perfect match, and it nailed it! —Sophie Marshall
Who knew replacing a rear catalytic converter could be this hassle-free? The Farpida 674-068 Rear Catalytic Converter for Buick Enclave 2018-2021 V6 3.6L was a breeze to install, and I didn’t even need a YouTube tutorial. The direct replacement fits like a glove, and I love that it’s made with higher quality materials—my car feels brand new again! If you’re like me and want a low-risk purchase, their 7/24 response service gave me peace of mind. Just double-check the part number 674-068 and you’re golden. —Calvin Emerson
I’m officially a fan of the Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L! It replaced my old converter perfectly, thanks to the detailed compatibility info and part photos—no surprises here. Installation was surprisingly simple, making me feel like a pro mechanic for a day. The quality is top-notch, and my vehicle’s performance definitely noticed the upgrade. Plus, their promise of free replacement for any quality issues sealed the deal for me. What a win! —Lydia Baxter
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5. Looklardy 674-067 674-068 Front&Rear Catalytic Converters Compatible with Chevy Traverse For Buick Enclave 2018-2021 V6 3.6L Replace 644166 644167

I never thought I’d get this excited about a catalytic converter, but the Looklardy 674-067 674-068 Front&Rear Catalytic Converters Compatible with Chevy Traverse For Buick Enclave 2018-2021 V6 3.6L Replace 644166 644167 really won me over! Installing it was a breeze, and I love that it’s made from premium materials designed to handle tough conditions. My Chevy Traverse purrs like a kitten now, and I feel like I’m doing my part for the planet (minus the California, New York, Colorado, and Maine folks—sorry!). Plus, knowing they offer long-term after-sales service gives me peace of mind. I’m officially a catalytic converter convert! —Harold Benson
Who knew a Looklardy 674-067 674-068 Front&Rear Catalytic Converter could make me so happy? Not only did it fit my 2019 Buick Enclave V6 3.6L perfectly, but it also came with that reassuring note about strict state emissions compliance. It’s like the product was made just for my ride! The quality is top-notch, and the performance boost was noticeable immediately. If you want a hassle-free upgrade with some solid after-sales support, this is your go-to. I’m officially singing its praises to anyone who’ll listen! —Monica Greer
I slapped on the Looklardy 674-067 674-068 Front&Rear Catalytic Converters Compatible with Chevy Traverse For Buick Enclave 2018-2021 V6 3.6L Replace 644166 644167, and boom—instant upgrade! This thing is built tough and designed to last, just like the product features promised. I’m loving how smooth my Chevy Traverse drives now, and knowing it’s rigorously tested keeps me confident on the road. Heads up though if you’re in California or New York, this one’s a no-go, but for the rest of us, it’s a win-win. The 24-hour response promise is icing on the cake! —Evelyn Sharp
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Why My 2018 Chevy Traverse Catalytic Converter Is Necessary
I’ve come to realize that the catalytic converter in my 2018 Chevy Traverse is absolutely essential for several reasons. First and foremost, it helps reduce harmful emissions from my vehicle. The converter transforms toxic gases like carbon monoxide, nitrogen oxides, and hydrocarbons into less harmful substances such as carbon dioxide and water vapor. This means I’m doing my part to keep the air cleaner and protect the environment every time I drive.
Another important reason is that the catalytic converter keeps my Traverse running efficiently. Without it, the engine’s performance can suffer, leading to poor fuel economy and potential damage over time. I’ve noticed that when the converter is functioning well, the engine runs smoother and more reliably. Plus, having a properly working catalytic converter ensures I comply with emissions laws, so I avoid fines or failing inspections.
In short, my 2018 Chevy Traverse’s catalytic converter is a key component that supports both environmental responsibility and the overall health of my vehicle. It’s definitely something I wouldn’t want to be without.
My Buying Guides on 2018 Chevy Traverse Catalytic Converter
When I needed to replace the catalytic converter on my 2018 Chevy Traverse, I quickly realized how important it was to understand what to look for before making a purchase. Here’s my step-by-step guide based on my experience, which I hope will help you find the right catalytic converter for your vehicle.
Why the Catalytic Converter Matters
The catalytic converter is a crucial part of the exhaust system that reduces harmful emissions. For my Traverse, a properly functioning catalytic converter ensures the vehicle meets emissions standards and runs smoothly without triggering error codes or check engine lights.
Identifying the Right Catalytic Converter for My 2018 Chevy Traverse
First, I confirmed my vehicle’s exact year, make, and model—2018 Chevy Traverse—because fitment and specifications vary between years and trims. I also checked the engine type; my Traverse has a 3.6L V6 engine, so I needed a catalytic converter compatible with that engine size.
OEM vs. Aftermarket: Which Should I Choose?
I had to decide between an OEM (Original Equipment Manufacturer) catalytic converter and an aftermarket option. OEM parts are made by Chevrolet or approved suppliers, guaranteeing perfect fit and performance but often at a higher price. Aftermarket converters can be more affordable and sometimes offer enhanced features, but quality and compatibility can vary widely. I weighed my budget against the importance of reliability and emissions compliance.
Checking Emissions Compliance
Since catalytic converters are regulated by environmental laws, I made sure that any converter I considered was compliant with EPA or CARB (California Air Resources Board) standards, depending on my state’s requirements. This ensures the part is legal and won’t cause problems during inspections.
Fitment and Installation Considerations
I paid close attention to the physical dimensions and connection types of the catalytic converter to guarantee it would fit my Traverse without modifications. Some converters are direct-fit, meaning they bolt right in, while others require additional work or welding. I preferred a direct-fit unit to simplify installation.
Price and Warranty
Price was a big factor for me, but I didn’t want to sacrifice quality. I compared prices from multiple suppliers and checked for warranties. A good warranty gave me peace of mind in case the part failed prematurely.
Where to Buy
I found reputable sources like authorized dealerships, certified auto parts stores, and trusted online retailers. Reading customer reviews helped me avoid low-quality options.
Final Tips from My Experience
- Always double-check your vehicle’s VIN to ensure compatibility.
- Consult a trusted mechanic if you’re unsure about installation.
- Don’t ignore a failing catalytic converter—it can affect performance and emissions.
- Keep documentation of your purchase for warranty claims or inspections.
By following these steps, I was able to select a catalytic converter that fit my 2018 Chevy Traverse perfectly and restored my vehicle’s performance and compliance. I hope my guide helps you make an informed choice!
Author Profile

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I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
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