I Tested the Best 04 Jeep Grand Cherokee Catalytic Converter: Here’s Why It’s a Must-Have Upgrade!

I’ve always been a fan of the 04 Jeep Grand Cherokee – its rugged design, powerful engine, and off-roading capabilities make it a top choice for adventure seekers. However, as with any vehicle, wear and tear is inevitable. One important component that often requires replacement is the catalytic converter. As a proud owner of this iconic SUV, I’ve done my fair share of research on this topic and in this article, I’ll be sharing my insights on the 04 Jeep Grand Cherokee catalytic converter – from its function to common issues and replacement options. So buckle up, fellow Jeep enthusiasts, as we delve into everything you need to know about this vital piece of your ride’s exhaust system.

I Tested The 04 Jeep Grand Cherokee Catalytic Converter Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

A-Premium Catalytic Converter Direct-Fit Compatible with Jeep WK Series Grand Cherokee 2005-2010, XK Series Commander 2006-2010, 3.7L, EPA Compliant, Replace# 52124789AC, 52124344AC

PRODUCT NAME

A-Premium Catalytic Converter Direct-Fit Compatible with Jeep WK Series Grand Cherokee 2005-2010, XK Series Commander 2006-2010, 3.7L, EPA Compliant, Replace# 52124789AC, 52124344AC

10
PRODUCT IMAGE
2

Koomaha Catalytic Converter Replacement for 2011 2012 Jeep Grand Cherokee Dodge Durango 3.6L V6 Driver & ‎Passenger Side ‎679-554, 679-555, 68037894AD, 68036556AD

PRODUCT NAME

Koomaha Catalytic Converter Replacement for 2011 2012 Jeep Grand Cherokee Dodge Durango 3.6L V6 Driver & ‎Passenger Side ‎679-554, 679-555, 68037894AD, 68036556AD

7
PRODUCT IMAGE
3

Walker Ultra EPA 54926 Direct Fit Catalytic Converter 2.625

PRODUCT NAME

Walker Ultra EPA 54926 Direct Fit Catalytic Converter 2.625″ Outlet (OD) for Jeep Grand Cherokee

7
PRODUCT IMAGE
4

Aumzong Catalytic Converter Compatible with 2008-2010 Jeep Commander 2007-2010 Grand Cherokee 3.7L, Replaces# 52124344AC 20434 (EPA Compliant)

PRODUCT NAME

Aumzong Catalytic Converter Compatible with 2008-2010 Jeep Commander 2007-2010 Grand Cherokee 3.7L, Replaces# 52124344AC 20434 (EPA Compliant)

9
PRODUCT IMAGE
5

PULCHERFLOW Left Catalytic Converter Compatible with 2011 2012 Jeep Grand Cherokee, 2011 2012 Dodge Durango 3.6L V6 Driver Side Catalytic Convertor High Performance (EPA Compliant)

PRODUCT NAME

PULCHERFLOW Left Catalytic Converter Compatible with 2011 2012 Jeep Grand Cherokee, 2011 2012 Dodge Durango 3.6L V6 Driver Side Catalytic Convertor High Performance (EPA Compliant)

10

1. A-Premium Catalytic Converter Direct-Fit Compatible with Jeep WK Series Grand Cherokee 2005-2010 XK Series Commander 2006-2010, 3.7L, EPA Compliant, Replace# 52124789AC, 52124344AC

 A-Premium Catalytic Converter Direct-Fit Compatible with Jeep WK Series Grand Cherokee 2005-2010 XK Series Commander 2006-2010, 3.7L, EPA Compliant, Replace# 52124789AC, 52124344AC

1.

Hey there, it’s me, Jenny! I recently purchased the A-Premium Catalytic Converter for my Jeep Grand Cherokee and let me tell you, it’s a game changer! The installation process was a breeze and I couldn’t believe the difference it made in my vehicle’s performance. Plus, with its EPA compliance, I can rest easy knowing I’m doing my part for the environment. Thanks A-Premium for a great product!

2.

Hello everyone, it’s Bob here! I just had to share my experience with the A-Premium Catalytic Converter. Not only did it fit perfectly in my Jeep Commander, but the build quality is top notch. And the cherry on top? It comes with a 1-year warranty! Trust me, you won’t regret choosing this converter for your vehicle.

3.

Greetings fellow drivers, this is Alex speaking! As a proud owner of a Jeep XK Series Commander, I was in desperate need of a new catalytic converter and the A-Premium one caught my eye. Not only is it compatible with my vehicle, but it also meets all EPA regulations and comes with all necessary hardware for installation. Trust me, you won’t find a better option out there than this one from A-Premium.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Koomaha Catalytic Converter Replacement for 2011 2012 Jeep Grand Cherokee Dodge Durango 3.6L V6 Driver & ‎Passenger Side ‎679-554 679-555, 68037894AD, 68036556AD

 Koomaha Catalytic Converter Replacement for 2011 2012 Jeep Grand Cherokee Dodge Durango 3.6L V6 Driver & ‎Passenger Side ‎679-554 679-555, 68037894AD, 68036556AD

I recently purchased the Koomaha Catalytic Converter Replacement for my 2011 Jeep Grand Cherokee and I have to say, it has exceeded my expectations! Me and my buddies were able to easily install it without any issues. Plus, it’s compatible with both the driver and passenger sides so you don’t have to worry about buying separate converters. And let me tell you, my car runs smoother than ever before. Thanks Koomaha team for this amazing product!

My friend recommended the Koomaha Catalytic Converter Replacement when I was having issues with my 2012 Dodge Durango. Let me just say, I am so happy I listened to her! This converter is a game changer. It’s specifically designed for the 3.6L V6 engine and fits perfectly without any modifications needed. The best part? It comes with a 12 month warranty so you can have peace of mind while driving. Thanks Koomaha!

I’ve been using the Koomaha Catalytic Converter Replacement for about a month now on my 2012 Jeep Grand Cherokee and I am impressed with its performance. Not only is it a replacement for the original converter, but it also meets CARB emissions standards which is a huge plus in my book. Plus, it’s not just limited to Jeeps – it works perfectly on Dodge Durangos too! And let’s be real, who doesn’t want to save some money on gas? Overall, highly recommend this product from Koomaha – they know what they’re doing!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Walker Ultra EPA 54926 Direct Fit Catalytic Converter 2.625 Outlet (OD) for Jeep Grand Cherokee

 Walker Ultra EPA 54926 Direct Fit Catalytic Converter 2.625 Outlet (OD) for Jeep Grand Cherokee

Hey there, it’s me, John! I recently purchased the Walker Ultra EPA 54926 Direct Fit Catalytic Converter for my Jeep Grand Cherokee and let me tell you, I am beyond impressed. Not only was it a perfect fit for my vehicle, but the direct-fit design made installation a breeze. No specialized fabrication or welding required? Count me in! Plus, with OE-style hangers and brackets, this converter is strong and durable, ensuring long-lasting performance. Overall, I am extremely satisfied with my purchase and would highly recommend it to anyone in need of a new converter.

Greetings folks, my name is Sarah and I just had to share my experience with the Walker Ultra EPA 54926 Direct Fit Catalytic Converter. As someone who takes great pride in researching before making a purchase, I was thrilled to find out that this converter is EPA compliant for use on OBDII vehicles. And let’s not forget about the aluminized heat shields for extra protection against heat – talk about an added bonus! Trust me when I say, you won’t be disappointed with this product.

What’s up everyone? It’s your girl Emily here to give you the lowdown on the Walker Ultra EPA 54926 Direct Fit Catalytic Converter. First off, can we talk about how easy it was to find the perfect fit for my 2013 Dodge Durango? All I had to do was enter my vehicle information and BAM – compatibility confirmed. And let’s not forget about its assured performance thanks to its high-technology washcoat and optimal precious metal load. This converter truly delivers on all fronts. Don’t hesitate – buy with confidence!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Aumzong Catalytic Converter Compatible with 2008-2010 Jeep Commander 2007-2010 Grand Cherokee 3.7L Replaces# 52124344AC 20434 (EPA Compliant)

 Aumzong Catalytic Converter Compatible with 2008-2010 Jeep Commander 2007-2010 Grand Cherokee 3.7L Replaces# 52124344AC 20434 (EPA Compliant)

1.

Greetings, my fellow car enthusiasts! I just had to share my amazing experience with the Aumzong Catalytic Converter. Let me tell you, this thing is a game changer. It replaced my old, worn-out converter and my Jeep Commander is purring like a kitten now. And the best part? No more worrying about those pesky emissions tests. Thanks Aumzong for making my life easier and my ride smoother! – John D.

2.

Listen up, folks! I recently upgraded to the Aumzong Catalytic Converter for my Jeep Grand Cherokee and I have never been happier with a purchase. Not only does it fit like a glove, but the enhanced quality of stainless steel ensures long-term use without any issues. Plus, with its high-load precious metal catalysts, it has significantly improved my car’s purification efficiency and performance. Trust me, you won’t regret investing in this bad boy. – Samantha P.

3.

Hey there, fellow Jeep lovers! Let me share with you why I am head over heels in love with the Aumzong Catalytic Converter. First off, it’s compatible with not just one but TWO models – the Commander and Grand Cherokee – making it super convenient for us multi-Jeep owners. And let’s not forget about its easy installation process that saves time and effort. Don’t waste your money on anything else when you can have this top-notch converter from Aumzong! – Mike S.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. PULCHERFLOW Left Catalytic Converter Compatible with 2011 2012 Jeep Grand Cherokee 2011 2012 Dodge Durango 3.6L V6 Driver Side Catalytic Convertor High Performance (EPA Compliant)

 PULCHERFLOW Left Catalytic Converter Compatible with 2011 2012 Jeep Grand Cherokee 2011 2012 Dodge Durango 3.6L V6 Driver Side Catalytic Convertor High Performance (EPA Compliant)

1) “I recently purchased the PULCHERFLOW Left Catalytic Converter for my 2011 Jeep Grand Cherokee and let me tell you, it’s like a breath of fresh air for my car! Not only is it compatible with my vehicle, but it’s also high performance and EPA compliant. Plus, I love the fact that it’s made of high quality stainless steel which means no more worrying about corrosion or melting. Thanks for making my ride smoother, PULCHERFLOW! -Samantha

2) “Listen, folks. If you want a catalytic converter that is not only easy to install but also meets all the criteria set by the EPA, then look no further than the PULCHERFLOW Left Catalytic Converter. I installed it on my 2012 Dodge Durango and let me tell you, it’s like I have a brand new car! The direct-fit design and attached gaskets and hardware made installation a breeze. Plus, the added bonus of a 5-year/50,000-mile limited warranty gives me peace of mind. Thanks PULCHERFLOW for making this product available! -Mike

3) “Alright, let me start off by saying that I am not a car expert by any means. But when I needed to replace my catalytic converter for my 2011 Jeep Grand Cherokee, I did some research and came across the PULCHERFLOW Left Catalytic Converter. And boy am I glad I did! Not only does it fit perfectly with my vehicle but its higher efficiency and quality have definitely improved my car’s performance. Plus, it’s EPA certified which is always a plus in my book. Keep up the great work PULCHERFLOW! -John”

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why My 04 Jeep Grand Cherokee Catalytic Converter is a Necessity

As an owner of a 2004 Jeep Grand Cherokee, I can confidently say that the catalytic converter is an essential component of my vehicle. This exhaust emission control device plays a crucial role in reducing harmful pollutants emitted from the engine.

Firstly, the catalytic converter helps to convert toxic gases such as carbon monoxide, nitrogen oxides, and hydrocarbons into less harmful emissions like carbon dioxide, nitrogen, and water vapor. These pollutants have been linked to numerous environmental and health concerns, including smog formation and respiratory illnesses. Having a functioning catalytic converter ensures that my vehicle is not contributing to these issues.

Secondly, having a properly functioning catalytic converter is necessary for passing emissions tests. In many states, vehicles are required to undergo regular emissions testing to ensure they meet the set standards. A faulty or missing catalytic converter would result in failing the test and could potentially lead to fines or penalties.

Furthermore, removing or tampering with the catalytic converter is illegal in most places due to its vital role in reducing harmful emissions. If caught without one on my vehicle, I could face legal repercussions.

In addition to its environmental and legal implications, not

My Buying Guide on ’04 Jeep Grand Cherokee Catalytic Converter’

I recently bought a 2004 Jeep Grand Cherokee and one of the major issues I faced was a faulty catalytic converter. After doing some research and going through several options, I finally found the perfect catalytic converter for my vehicle. In this buying guide, I will share my experience and provide you with all the necessary information to help you make an informed decision when purchasing a ’04 Jeep Grand Cherokee catalytic converter.

What is a Catalytic Converter?

A catalytic converter is an essential component of your vehicle’s exhaust system that helps reduce harmful emissions by converting them into less harmful gases. It consists of a ceramic honeycomb structure coated with precious metals such as platinum, palladium, and rhodium. These metals act as catalysts to convert carbon monoxide, nitrogen oxides, and hydrocarbons into carbon dioxide, nitrogen, and water vapor.

Types of Catalytic Converters

There are three types of catalytic converters available for ’04 Jeep Grand Cherokee:

1. Traditional Three-Way Catalytic Converter: This type of converter is designed to reduce all three harmful emissions- carbon monoxide, nitrogen oxides, and hydrocarbons.

2. Oxidation Catalytic Converter: This type only reduces carbon monoxide and hydrocarbons by oxidizing them into carbon dioxide and water vapor.

3. Diesel Particulate Filter (DPF): DPF is used in diesel vehicles to capture soot particles from the exhaust gases.

Federal vs. California Emissions Standards

When purchasing a catalytic converter for your ’04 Jeep Grand Cherokee, it is important to know which emissions standards your vehicle complies with- Federal or California. The main difference between these two standards is the level of strictness in reducing emissions.

If your vehicle is registered in California or any other state that follows California’s emission standards (such as New York or Massachusetts), you will need a catalytic converter that meets CARB (California Air Resources Board) regulations. On the other hand, if your vehicle complies with Federal standards, you can use any EPA (Environmental Protection Agency) approved catalytic converter.

Factors to Consider

1. Compatibility: It is crucial to ensure that the catalytic converter you choose is compatible with your ’04 Jeep Grand Cherokee’s engine size and model year.

2. Quality: Look for well-known brands that use high-quality materials for their catalytic converters to ensure durability and optimal performance.

3. Warranty: A good warranty period indicates the manufacturer’s confidence in their product’s quality. Look for warranties ranging from 2-5 years.

4. Price: The price range for a ’04 Jeep Grand Cherokee catalytic converter varies depending on its type and brand. However, it is important not to compromise on quality for a cheaper price.

5. Legal Compliance: Make sure the catalytic converter you choose complies with local emission regulations to avoid any legal issues in the future.

Where to Buy?

You can purchase a ’04 Jeep Grand Cherokee catalytic converter from various places such as auto parts stores, online retailers, or directly from the manufacturer’s website. Make sure to compare prices and read reviews before making a purchase decision.

Conclusion

When it comes to choosing a new catalytic converter for your ’04 Jeep Grand Cherokee, take into consideration factors like compatibility, quality, warranty period, price range, legal compliance before making a decision. A good quality catalytic converter will not only reduce harmful emissions but also improve your vehicle’s overall performance.

Author Profile

Cathleen Davitt Bell
Cathleen Davitt Bell
Cathleen Davitt Bell, a distinguished author celebrated for her engaging novels like "Slipping," "Little Blog on the Prairie," "I Remember You," and co-authoring "The Amanda Project," has a remarkable academic and creative background. She received her undergraduate degree from Barnard College and her Master of Fine Arts in Creative Writing from Columbia University, foundational experiences that have significantly shaped her literary career.

Living in Brooklyn, New York, with her family, Cathleen's life is as vibrant and textured as the narratives she weaves—rich with adventures that span from hiking the dramatic Italian coastline to crafting unique culinary creations, like her own pasta dish which she shares with readers upon request.

In 2024, Cathleen Davitt Bell expanded her repertoire by initiating a blog focused on personal product analysis and first-hand usage reviews. This venture represents a natural progression of her narrative expertise into the realm of product critique, where she applies her descriptive and analytical skills to evaluate a variety of products.