6 Best Radiators For Jeep TJs for 2023

We are reader supported. When you purchase through links on our site, we may earn an affiliate commission. Also, as an Amazon affiliate, we earn from qualifying purchases.

As the owner of Jeep Wrangler TJ, we know you are hungry for power, speed, and performance on any type of terrain. Whether you use your jeep for daily commute to the office or enjoy taking it to the off-beaten track in the weekends, the beast deserves the best-quality performance parts to roar like new.

Whether you indulge in extreme sports, outdoor adventure, or use your jeep for just daily commuting, the radiator does the job of keeping the engine in the first-class condition. It transfers heat from the fluid to the air outside, thus cooling the fluid and this, in turn, keeps the engine cools in diverse environments.

Many jeep enthusiasts consider upgrading their vehicle by substituting the stock factory components with high-quality performance parts. The specifically engineered radiators for jeep TJ maximize the cooling efficiency by up to 20% to improve engine functionality and protect the vehicle from overheating.

Unfortunately, some people overlook the need for installing an upgraded radiator when they start seeing the signs, and this results in a shorter life of engines. As the stock radiator is unable to handle the higher level of heat output, it ultimately ends up taking a toll on the overall health of the radiator.

So, if you are looking for a radiator to upgrade your jeep or replace an existing old radiator, you have come to the right place. We know it’s not easy for jeep owners to identify the best radiator for TJ out of so many available in the market, plus let’s not forget that individual needs may vary.

Read on to find the unbiased reviews of the best selling radiators handpicked by us. If you don’t have the time or patience to read until the end, we recommend the Mopar 5503 7652AA, Radiator (see Amazon) made from genuine quality materials to provide a higher capacity of cooling to keep the engine in the best condition.

Product NameDimensionWeight
#1. Mopar 5503 7652AA, Radiator36 x 13 x 26 inches
15 poundsShop Now
#2. 87-06 Jeep Wrangler Radiator28.5 x 25.5 x 6 inches16 poundsShop Now
#3. Mishimoto MMRAD-WRA-87 Performance Aluminum Radiator 25.8 x 23 x 3.7 inches5 poundsShop Now
#4. Klimoto Radiator Fits Jeep TJ 1997-2006 Wrangler 1987-200626 x 15 x 25 inches4 poundsShop Now
#5. Aluminum Racing Performance Radiator27.56 x 22.05 x 7.87 inches14.76 poundsShop Now
#6. Spectra Premium CU1015 Complete Radiator for Jeep Wrangler26.38 x 30.5 x 6 inches5.5 poundsShop Now

#1. Mopar 5503 7652AA Radiator

If you want the highest quality aftermarket aluminum radiator, you must consider the Mopar 5503 7652AA (learn more) that is perfectly compatible with Wrangler (1999 to 2003). While it looks almost like the OEM radiator, it is crafted with higher capabilities to deliver outstanding performance.

As the radiator is built to offer a direct fit, you will not be wasting any time customizing or modifying the jeep part in any way. Made in the US from high-quality aluminum material, it not only offers an improved cooling capacity but also maintains the right the temperature of the engine.

The top and bottom part of the radiator tank is made of plastic but they are well-built. We appreciate that the product comes with all the necessary parts to perform the installation process. The holes meant for mounting the fans may require slight adjustment, but overall the radiator is easy to install and cost-effective too.

Product features and specifications

  • Measures 36 x 13 x 26 inches
  • Weighs 15.47 pounds
  • Ideal for 1999-2003 wrangler models
  • Genuine Mopar OEM product
  • Made with aluminum and sturdy plastic

Users/ Customers

Most users have said that the radiator proved to be an exact match for their Jeep Wrangler TJ, and the installation takes about 10 minutes on an average. Several users have mentioned that the aftermarket part looks almost similar to the OEM radiator and offers a direct fit. A few customers have warned that the materials are a bit cheaper than previous Mopar radiators but it nevertheless delivers a significantly better performance once installed.


The Mopar 5503 7652AA undoubtedly serves as one of the best replacement radiators for you jeep Wrangler TJ. You get a well-built aftermarket Wrangler part at a reasonable price to improve the performance of your jeep’s engine. All in all, we feel this is a smart investment for your vehicle.

Check Price Now

#2. 87-06 Jeep Wrangler Radiator

This OzCoolingParts Radiator is designed in a way to provide the highest level of cooling efficiency to eliminate the risk of premature engine failure. Made from aircraft 5057-grade aluminum, the radiator is lightweight and the raw aluminum finish on the exterior gives it a decent appearance.

The radiator comprises a high-heat transferring an aluminum tube and a fin design that increases the surface area required to dissipate heat more quickly. As per the manufacturer, the radiator is 40 percent more efficient than the OEM parts and delivers better cooling ability.

Compatible with Jeep Wrangler YJ TJ models 1987-2006 2.4L and 2.5L and 4.0L and 4.2L, L4 L6 auto engines, each unit is 100% inspected and tested to ensure the best quality. Due to a much higher capacity for coolant, the radiator is also more resistant to temperature surges in racing applications.

Product features and specifications

  • Measures 17 1/2″ H x 22 1/4″ W
  • Weighs 15.97 pounds
  • 3 Row Core
  • 1 x 3 Row Aluminum Radiator
  • 40% more efficient
  • Made from Full Aluminium

User/ Customer reviews

Experienced jeep users found this aftermarket radiator extremely impressive inbuilt and performance, plus they only had to wallow out one hole for the mount. Most people feel that the radiator helps in significantly reducing the temperature and keeping the engine cool. A few customers have also said that for some money, this thing helps in completely changing the look of the engine.


This is a good radiator with solid welds and to give you an excellent quality replacement for the stock parts. Installation goes smoothly and the product fits perfectly to give you improved performance on or off-road. Overall, we feel this radiator promises to be worth every dollar.  

Check Price Now

#3. Mishimoto MMRAD-WRA-87 Performance Aluminum Radiator

When you are looking to upgrade your Wrangler TJ or fix any performance issues, the Mishimoto MMRAD-WRA-87 (learn more) is worth checking out. Designed in a way to maximize the cooling efficiency by 20 percent, the radiator improves the engine function and prevents overheating

Regardless of whether you use the jeep TJ for daily commuting or to enjoy off-roading experiences on the weekends, the importance of installing an upgraded radiator in the engine cannot be overemphasized. The stock radiator is not built in a way to handle the amount of heat that comes from such horsepower.

This Mishimoto Jeep Wrangler houses a lightweight dual core with brazed aluminum polished end tanks, capable of holding up to 0.36 per gallon more coolant. After installation, you can notice a remarkable 20 degrees F drop in the temperature when compared to the OEM.

Product features and specifications

  • Measures 25.8” x 23” x 3.7”
  • Weighs 5 pounds
  • Compatible with 1987–2006 Jeep Wrangler TJ/YJ
  • Mishimoto Lifetime Warranty
  • Increased Cooling Capacity
  • Magnetic Drain Plug
  • Brazed Aluminum Core
  • Authentic Serial Plate

User/ Customer reviews

Users love the fact that the radiator is designed just like the OEM part to offer a perfect and direct fit, but it delivers a much-improved cooling capacity than the original part. Most people feel that the installation is effortless without the need for any cutting or modification. A few customers have warned that the radiator caps are a bit flimsy and not as robust as the OEM caps.


The Mishimoto MMRAD-WRA-87 (shop now) is expensive than other aftermarket parts and the replacement is going to cost you a good deal. However, you can rest assured that the kind of performance you receive post the installation will be much higher than what you expect from any standard aftermarket radiator. This is a perfect example of money spent in the right place.

Check Price Now

#4. Klimoto Radiator Fits Jeep TJ 1997-2006 Wrangler 1987-2006

The next radiator on our list comes from the house of Klimoto, and it is engineered to over-deliver on your expectations in terms of form, fit, and function. Made from virgin aluminum material, the radiator guarantees 100% purity of materials and the highest strength for durability in diverse riding conditions.

For enhanced performance, the design includes folded (B-type) tubes that improve coolant heat transfer for quick cooling of the engine, and thereby ensure a better radiator performance. It also provides a triple leak assurance by monitoring potential leaks at the oil cooler level, after brazing and crimping.

The thermal expansion decreases the risk of radiator fatigue failure by allowing better core expansion and contraction when the engine heats or cools. We are impressed to know that the Klimoto radiator comes with ‘Every-Fit’ attachment to offer the perfect fit and accurate installations.

Product features and specifications

  • Measures 26 x 15 x 25 inches
  • Weighs 4 pounds
  • Made from virgin aluminum
  • Folded tube design
  • Every-Fit attachment
  • Thermal expansion cuts

User/ Customer reviews

Many enthusiastic jeep users have said that this aftermarket radiator fits as good as a glove for their 97 Wrangler TJ and post-installation, there were no leaks to be found. A few customers have warned that the spot-welded nuts on the mounting flange have different threads than the OEM bolts, so you may have to seek the help of a mechanic to get the fitting right.


Klimoto has the reputation of manufacturing each product under strictly controlled conditions for performance and durability and this radiator is no exception. While the design and build of the radiator is great to fit your 1997-2006 jeep Wrangler, please bear in mind that installation may be slightly complicated if you are trying to do it yourself.

Check Price Now

#5. Aluminum Racing Performance Radiator

This G-Plus performance radiator stands next on our list and it’s perfectly compatible with Jeep Wrangler TJ YJ V8 Conversion 1987-95 1997-2002. Made from superior-grade full T-6061 aluminum, this radiator is capable of improving the cooling capacity by 35% to 45% intensity.

By replacing your stock radiator with this aftermarket performance part, you can significantly improve the cooling efficiency to make sure premature engine failure does not set in. The lightweight radiator comprises of a tube and fin design that enables high-heat transferring to dissipate heat more efficiently.

This aluminum radiator is nearly 40 percent more proficient than the original stock parts, offering a much higher cooling capacity and resistance to sudden temperature rises. We are impressed to know that the manufacturer stands behind the product with one year warranty

Product features and specifications

  • Measures 27.56 x 22.05 x 7.87 inches
  • Inlet/Outlet 1.50″ / 1.50″
  • Fits Wrangler TJ YJ V8 Conversion 1987-95 1997-2002
  • Made of high-quality full T-6061 aluminum
  • Improves cooling by 35-45% temperature
  • 1 Year Manufacturer Warranty

User/ Customer reviews

People who have successfully installed the radiator in their jeep TJ said that it worked well at keeping the engine cool even in high temperatures. Some users have also said that the radiator looks great and fits perfectly as mentioned. In some cases, the customers had some alignment issues while installing but it’s not something that cannot be fixed.


The G-Plus Aluminum Racing Radiator (learn more) is a great looking and well-built jeep performance part that can add a fresh lease of life to your vehicle. If you do not have much knowledge about jeep mechanics, we would suggest that you get the installation done by an expert. Overall, it offers a good price to performance ratio.

Check Price Now

#6. Spectra Premium CU1015 Complete Radiator for Jeep Wrangler

The CU1015 Complete Radiator (learn more) is a perfect example of innovative engineering and advanced manufacturing technology that comes together to deliver outstanding performance. This complete radiator system offers optimized cooling efficiency and no modification is required for a proper fit.

Made in North America, the radiators are made from the highest quality of raw materials. There is a single piece of high-tensile aluminum that is transformed into a radiator to give you a perfect fit for your Jeep Wrangler. It meets or exceeds the OE standards for form, fit, and function determined under the ISO 9001 quality framework.

Besides keeping your engine from overheating, the CU1015 is also leak-free on any type of terrain. Equipped with well designed thermal-shocked gasket, the radiator is well built to handle the harsh winters and hot summers without impacting the engine’s life negatively.

Product features and specifications

  • Measures 26.38 x 30.5 x 6 inches
  • Weighs 5.5 pounds
  • Pressurized and leak-tested
  • Perform annual cooling system maintenance
  • Subjected to extreme hot and cold

User/ Customer reviews

Most users have mentioned that this radiator proved to be a great replacement for the stock radiator and their engine was much cooler than before. While customers are impressed with the ease of installation, a few have expressed their concern that the kit does not come with required installation hardware and you need to get them separately.


This is one of the cheapest radiators available in the market, however, do not go with its price value as it turns out to be a surprise packet. Despite being cheap, this aftermarket radiator performs exceptionally well with older models of jeep Wrangler TJ and helps in adding more stability and durability to the engine. So, if you are looking for a good radiator within budget, the Spectra Premium CU1015 is certainly the way to go.

Check Price Now

Related Questions

What are the symptoms of a bad radiator

If your vehicle is overheating in normal driving conditions, it is the most common indication that the radiator is failing. Remember to also watch out for other signs such as leaking coolant, sludge build-up in your radiator, and low coolant levels.  

How long does a new radiator last

If you are upgrading a vehicle to produce more power then you will need to replace the radiator to keep the engine cool even in higher heat output conditions. A well-maintained radiator lasts for at least 3 years, and sometimes it may last for 8-10 years. 

See Also:
11 Reasons Why the Jeep Wrangler is So Popular
6 Best Jeep TJ Seat Covers
5 Best Steering Stabilizers For Jeep TJs
3 Best CB Radios For Jeep TJ

Recent Posts