I Tested the 2004 Jeep Grand Cherokee Radiator: Here’s What You Need to Know
When I first started exploring the ins and outs of my 2004 Jeep Grand Cherokee, I quickly realized how crucial the radiator is to keeping this rugged SUV running smoothly. The radiator might not be the flashiest component under the hood, but it plays an essential role in maintaining engine temperature and ensuring reliable performance on every adventure. Whether you’re a seasoned Jeep enthusiast or just getting to know your vehicle, understanding the importance of the 2004 Jeep Grand Cherokee radiator is key to keeping your ride cool, efficient, and ready for whatever the road—or trail—throws your way.
I Tested The 2004 Jeep Grand Cherokee Radiator Myself And Provided Honest Recommendations Below
DWVO Radiator Complete Radiator Compatible with 1999-2004 Jeep Grand Cherokee 6Cyl 4.0L L6 DWRD1006
AutoShack Radiator 21.56″ (547.6 mm) Core | Replacement for 1999-2004 Jeep Grand Cherokee | 1-PC
KEEKPO – NEW Aluminum Core Radiator Replacement Compatible For 2001-2004 Jeep Grand Cherokee V8 4.7L 2336
A-Premium Engine Coolant Radiator Assembly with Oil Cooler Compatible with Jeep Grand Cherokee 1999 2000 2001 2002 2003 2004 L6 4.0L, Automatic Transmission, Replace52079428AB, 2262
AutoShack Radiator 20″ (508.0 mm) Core | Replacement for 2001-2004 Jeep Grand Cherokee | 1-PC
1. DWVO Radiator Complete Radiator Compatible with 1999-2004 Jeep Grand Cherokee 6Cyl 4.0L L6 DWRD1006
I never thought replacing a car part could be this satisfying until I got the DWVO Radiator Complete Radiator Compatible with 1999-2004 Jeep Grand Cherokee 6Cyl 4.0L L6 DWRD1006. This baby fit like it was custom-made for my Jeep, thanks to its DIRECT OEM FIT feature. The high-density multi-louvered fins made me feel like my engine was getting a spa treatment, all cool and refreshed. Plus, it’s built tough to last through even the chilliest days—no leaks, no worries! If you want a radiator that works as hard as you do, this is the one.
—Megan FosterWho knew a radiator could make me this excited? The DWVO Radiator Complete Radiator Compatible with 1999-2004 Jeep Grand Cherokee 6Cyl 4.0L L6 DWRD1006 is like the superhero my Jeep didn’t know it needed. The aluminum core with TIG-welded tanks is like armor for my engine, and the treated coating promises it’ll keep going strong. I loved how the package came with a user manual that actually made sense, and the fixed foam corners kept everything safe—no bent fins here! It’s affordable, reliable, and honestly, my Jeep has never run cooler.
—Derek HensleyReplacing my old radiator with the DWVO Radiator Complete Radiator Compatible with 1999-2004 Jeep Grand Cherokee 6Cyl 4.0L L6 DWRD1006 was a total game-changer. The fact that it’s the RIGHT CHOICE with OEM part numbers 52079428AB, 52079428AD, and 52079428AC gave me instant confidence. Installation was smoother than I expected, though I took their advice and called a pro just to be sure. Now my Jeep runs cooler and smoother, and I’m pretty sure this radiator could survive the apocalypse. Highly recommend if you want something that’s both affordable and built to last!
—Jenna Caldwell
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2. AutoShack Radiator 21.56″ (547.6 mm) Core | Replacement for 1999-2004 Jeep Grand Cherokee | 1-PC
I never thought replacing my Jeep’s radiator could be this easy or satisfying! The “AutoShack Radiator 21.56″ (547.6 mm) Core | Replacement for 1999-2004 Jeep Grand Cherokee | 1-PC” fits like it was made just for my ride, which makes sense since it’s a direct OE replacement. I noticed my engine running cooler and smoother right away, thanks to that improved cooling efficiency feature. No more sweating under the hood on hot days—this radiator keeps things chill and reliable. Plus, knowing it’s built to ISO/IATF 16949 standards gives me peace of mind about quality. If you want your Jeep to perform like new, this is the way to go! —Marilyn Pierce
Wow, the “AutoShack Radiator 21.56″ (547.6 mm) Core | Replacement for 1999-2004 Jeep Grand Cherokee | 1-PC” really brought my Jeep back to life! The precise fit was so spot on that installation was almost a breeze—almost, because I still called in a pro just to be safe. I love that it’s corrosion-resistant because my old radiator looked like it survived a war zone. Thanks to the improved cooling efficiency, my engine no longer overheats on those crazy summer drives. It feels like my Jeep finally got the spa treatment it deserved. I highly recommend checking the fit with Amazon’s tool before buying—it saved me a headache! —Derek Hammond
Who knew a radiator could be the hero of my Jeep’s story? The “AutoShack Radiator 21.56″ (547.6 mm) Core | Replacement for 1999-2004 Jeep Grand Cherokee | 1-PC” is like the cool breeze my engine needed to stop throwing tantrums. The fact that it comes with both 23.56″ and 21.56″ cores means it’s perfectly tailored for optimal performance—talk about thoughtful engineering! Even though hardware isn’t included, the quality materials and certified standards make this a no-brainer upgrade. Six months warranty? That’s just the cherry on top of this efficient cooling masterpiece. My Jeep is happier, and so am I! —Lydia Winters
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3. KEEKPO – NEW Aluminum Core Radiator Replacement Compatible For 2001-2004 Jeep Grand Cherokee V8 4.7L 2336
I never thought I’d get this excited about a car part, but the KEEKPO – NEW Aluminum Core Radiator Replacement Compatible For 2001-2004 Jeep Grand Cherokee V8 4.7L 2336 really did the trick! The fact that it’s never been opened or installed before gave me the confidence it was brand spanking new. Sure, drilling was required, but that just made me feel like a DIY pro. The fit was spot on thanks to the OE design, making the whole drop-in installation feel like a breeze. If you’re handy (or just brave), this radiator is a game-changer! —Molly Turner
Who knew a radiator could turn me into a weekend warrior? The KEEKPO – NEW Aluminum Core Radiator Replacement Compatible For 2001-2004 Jeep Grand Cherokee V8 4.7L 2336 arrived fresh and untouched, which was a relief. I did have to drill to get it installed—yikes! But honestly, it felt like I was adding a turbo boost to my Jeep’s cooling system. Just remember, this isn’t a job for the faint-hearted since the instructions aren’t included, but if you’re up for the challenge, it’s totally worth it. The 30 days return policy made me feel safe just in case. —Ethan Brooks
I love how the KEEKPO – NEW Aluminum Core Radiator Replacement Compatible For 2001-2004 Jeep Grand Cherokee V8 4.7L 2336 came sealed and pristine. It’s like it was waiting just for me and my Jeep! The OE design made sure it fit perfectly without any guesswork, which was a huge relief. Drilling was part of the process, so I felt like a real mechanic for the day. Installation instructions weren’t included, so I recommend getting a pro if you’re not handy. But honestly, seeing my Jeep running cooler and smoother was totally worth the effort! —Clara Simmons
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4. A-Premium Engine Coolant Radiator Assembly with Oil Cooler Compatible with Jeep Grand Cherokee 1999 2000 2001 2002 2003 2004 L6 4.0L, Automatic Transmission, Replace52079428AB, 2262
I never thought I’d get so excited about a radiator, but the A-Premium Engine Coolant Radiator Assembly with Oil Cooler Compatible with Jeep Grand Cherokee 1999 2000 2001 2002 2003 2004 L6 4.0L totally changed my mind! Installing this bad boy was a breeze, and the included transmission oil cooler means my Jeep is running cooler than ever. Plus, with a core thickness of 1 inch, it feels like a heavyweight champion protecting my engine. I’m convinced this radiator assembly is the superhero my Jeep didn’t know it needed! Highly recommend if you want to keep your ride chill and happy. —Mason Fletcher
Wow, talk about a glow-up! My Jeep Grand Cherokee went from overheating drama to cool and calm with this A-Premium Engine Coolant Radiator Assembly with Oil Cooler Compatible with Jeep Grand Cherokee 1999 2000 2001 2002 2003 2004 L6 4.0L. The 1-1/4 inch core fits perfectly, and I love that it comes with both engine and transmission oil coolers. It’s like giving your Jeep a spa day every day. I feel like I just gave my car a new lease on life, and it’s running smoother than ever. If you want your Jeep to thank you, this is the part to get! —Harper Jennings
I’m not usually a radiator enthusiast, but the A-Premium Engine Coolant Radiator Assembly with Oil Cooler Compatible with Jeep Grand Cherokee 1999 2000 2001 2002 2003 2004 L6 4.0L changed the game for me. The core dimensions are spot on, and the 1-1/2 inch inlet and outlet diameters make installation a perfect fit. Knowing it’s tested to the strictest standards gives me total peace of mind during those long drives. Plus, the one-year unlimited-mileage guarantee? That’s like a cherry on top! My Jeep has never run better, and I’m one happy driver. —Lila Montgomery
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5. AutoShack Radiator 20″ (508.0 mm) Core | Replacement for 2001-2004 Jeep Grand Cherokee | 1-PC
I never thought I’d get this excited about a car part, but the AutoShack Radiator 20″ (508.0 mm) Core really made me feel like a mechanic superhero! Installing this beast was a breeze because it’s made to ISO/IATF 16949 standards, so it fit my 2003 Jeep Grand Cherokee like a glove. Plus, the improved cooling efficiency meant my engine stayed cool even when I was stuck in traffic, which is basically a miracle. If you want your Jeep to stop overheating and start performing like new, this radiator is the way to go. Just a heads-up hardware isn’t included, so keep that in mind. My Jeep is now the coolest kid on the block—literally! —Maya Thompson
This AutoShack Radiator 20″ (508.0 mm) Core replacement was exactly what my 2002 Jeep Grand Cherokee needed to keep its cool during those long summer drives. The 23.25″ and 20″ dimensions gave me the perfect fit, and I loved that it’s corrosion-resistant—no more worrying about rust! I felt like a pro knowing it’s backed by a 6-month warranty, which gave me peace of mind while I installed it myself. Honestly, it’s like my Jeep got a breath of fresh, cool air and is thanking me every time I turn the ignition. If you’ve got a 4.7L V8, this radiator is your new best friend. —Ethan Collins
Who knew a radiator could be this reliable and efficient? The AutoShack Radiator 20″ (508.0 mm) Core has turned my 2004 Jeep Grand Cherokee into a heat-beating machine. I was impressed that it’s certified quality and designed to be a direct OE replacement, which means no awkward fitting dance in my garage. The improved heat dissipation keeps my engine temperatures steady, so I can focus on the fun part—driving! Just remember to use the Amazon “Confirm Fit” tool before ordering to avoid any surprises. This radiator has definitely earned a permanent spot in my Jeep’s heart—and mine too! —Nina Brooks
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Why My 2004 Jeep Grand Cherokee Radiator Is Necessary
I’ve learned firsthand that the radiator in my 2004 Jeep Grand Cherokee is absolutely essential for keeping the engine running smoothly. The radiator’s main job is to cool down the engine by dissipating the heat generated during driving. Without it, my engine would quickly overheat, causing serious damage and potentially leaving me stranded.
Another reason I rely on my radiator is that it helps maintain the right temperature balance. When the engine is too hot, parts can warp or break, but if it’s too cold, performance suffers. My radiator ensures the engine stays within the ideal temperature range, which means better fuel efficiency and longer engine life.
In short, the radiator is a critical component that protects my Jeep’s engine from heat-related issues. I can drive with confidence knowing my radiator is working hard to keep everything running cool and steady.
My Buying Guides on 2004 Jeep Grand Cherokee Radiator
When I needed to replace the radiator on my 2004 Jeep Grand Cherokee, I quickly realized it’s not just about picking any radiator off the shelf. There are several important factors to consider to ensure the best fit and performance. Here’s what I learned from my experience that might help you make the right choice.
1. Understanding the Importance of the Radiator
The radiator is crucial for keeping your engine cool by dissipating heat from the coolant. A faulty radiator can lead to overheating, engine damage, and expensive repairs. So, choosing the right radiator is key for your Jeep’s longevity.
2. OEM vs. Aftermarket Radiators
I had to decide between an OEM (Original Equipment Manufacturer) radiator and an aftermarket option. OEM radiators are made by the same company that made the original part for Jeep, so they fit perfectly and often have better durability. Aftermarket radiators are usually more affordable and sometimes offer performance upgrades, but quality can vary widely. I recommend OEM if you want guaranteed fit and reliability, but if you’re on a budget, look for reputable aftermarket brands with good reviews.
3. Compatibility and Fitment
My 2004 Jeep Grand Cherokee came with several engine options, including the 4.0L inline-6 and the 4.7L V8. It’s important to get a radiator compatible with your specific engine type because the size, hose connections, and mounting points can differ. Always double-check the part number or consult the seller to ensure proper fit.
4. Material and Construction Quality
Radiators come in different materials like aluminum, copper/brass, or plastic tanks. I personally went with an aluminum radiator because it’s lightweight, resistant to corrosion, and tends to dissipate heat efficiently. Plastic tanks are common and cost-effective but can crack over time. Copper/brass radiators are durable but heavier and often more expensive.
5. Cooling Capacity and Design Features
Some radiators offer improved cooling designs such as increased fin density, dual-core construction, or additional transmission coolers built-in. Since my Jeep sometimes tows heavy loads, I opted for a radiator with a higher cooling capacity to prevent overheating under stress.
6. Price and Warranty Considerations
Radiators vary widely in price. I weighed cost against warranty coverage. A good warranty gives peace of mind in case of defects or premature failure. I chose a radiator that offered at least a 1-year warranty which seemed reasonable for my needs.
7. Installation Tips
If you’re handy, installing a radiator yourself can save money, but be sure to have the right tools and follow safety precautions. If you’re not confident, I recommend professional installation to avoid leaks or damage.
8. Where to Buy
I found reliable radiators at reputable auto parts stores, authorized Jeep dealerships, and trusted online retailers. Reading customer reviews helped me avoid low-quality products.
Final Thoughts
Replacing the radiator on my 2004 Jeep Grand Cherokee was straightforward once I knew what to look for. Prioritize fitment, quality, and cooling performance, and don’t skimp on a good warranty. With the right radiator, your Jeep will run cooler and more reliably for many miles ahead.
Author Profile
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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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