7 Best Jeep TJ Radiators -Aftermarket Options

Whether you own the newest jeep TJ engine or are struggling with an outdated one, a radiator upgrade can help you improve its health. Jeep Wrangler radiator upgrades are crafted with the needs of racing applications and tough off-roading adventures in mind. These advanced cooling solutions maintain the optimal temperature in tough driving applications.

Best Jeep TJ Radiators

Also, a radiator prevents premature engine burning and offers antifreeze performance in the extreme winters. Cooling efficiency, leakage protection, and effortless fitment are the crucial features one must consider while buying a radiator upgrade for jeep Wrangler TJ. To help you choose the best radiator for jeep TJ, we have reviewed the seven best options.

7 Best Jeep TJ Radiators Reviewed

1. CoolingSky 62MM 4 Row Core Aluminum Radiator

Best Overall

CoolingSky 62MM 4 Row Core


CoolingSky 62mm 4-row core is the best radiator upgrade you can buy for Jeep Wrangler TJ, YJ1987-2006. This is one of the most efficient and powerful cooling systems that you can have to avoid premature engine burning. This radiator is designed for super-efficient cooling. CoolingSky also takes pride in its premium craftsmanship.

This aluminum radiator features the tube and fin design for enhanced cooling efficiency. The tube design increases the overall surface area and you observe an increase in cooling performance by 30-40%. It dissipates the heat more rapidly and efficiently to maintain the temperature within the permissible limit even in the harshest conditions.

What makes this radiator perfect for challenging off-roading adventures and racing application is its higher coolant capacity. Its capacity to store coolant is 3 times of the stack radiators taking its cooling efficiency to a whole new level. With such an impressive cooling efficiency it will not disappoint you even in the extreme temperature conditions. Additionally, it incorporates the TIG welding offering a strong performance against the impact, corrosion, and heat.

Another best part of the radiator is that it has a direct bolt-on replacement. To ensure a trouble-free drop-in fit, this radiator has been tested for vehicle-specific fit. No additional accessories are required which reduces the overall cost of the installation process. Since the radiator is made with the needs of serious applications in mind it is relatively more expensive than its stack counterparts.

What we liked

  • Efficient cooling system
  • Features TIG welding
  • Drop-in fit

What we didn’t like

  • Expensive

CoolingSky 62mm is one of the most efficient cooling systems we have ever tried. With a solid aluminum core and TIG welding, it takes the high pressure very well and maintains the optimum engine temperature during the most demanding adventures.

2. Spec-D Tuning 3 Core/Row Light Aluminum Radiator

The Spec-D tuning 3-core radiator is another efficient cooling solution designed for tough traveling and racing applications. This is a 3-core radiator that promises ultimate cooling performance in the most demanding racing and off-roading applications. This is a 3-core aluminum radiator designed to increase the overall surface area. The improved fin and tube design accommodate 3-rows making it more powerful and efficient than its 2-row counterparts.

The aluminum core takes its efficiency and performance to a whole new level. The aluminum core features inherent corrosion and heat resistance. Its conduction rate is impressively higher and it absorbs and dissipates heat more rapidly for a smooth and uninterrupted driving experience. In addition to its impressive heat performance, it promises durability and reliable performance over a long period.

The radiator is highly resistant to corrosion and extreme temperature conditions promising durability and long-term performance. This three-row radiator features advanced compatibility with Jeep Wrangler TJ/YJ 1987-2006. You will get a direct bolt-in and unlike its predecessors, it doesn’t require any modification prior to installation. Since no additional hardware is required the installation cost is very reasonable.

The biggest downside of this radiator is that it is not protected against leakage. Many users reported the leakage issues in normal temperature conditions which is pretty disappointing. The good news is that this unit is backed by a 30 days refund policy. Also, you get a free replacement within 90 days if you receive a defective item.

What we liked

  • Efficient 3-core design
  • Impressive resistance to heat and corrosion
  • Offered drop-in fit

What we didn’t like

  • Leakage issues

If you’re looking for a competitively priced jeep TJ radiator upgrade, consider Spec-D light aluminum radiator. It combines the light aluminum core, innovative tube-fin design, and advanced compatibility making it the best jeep TJ radiator.

3. Tiziri TJ 3 Row Core All Aluminum Radiator

Tiziri TH 3-row aluminum core radiator is an affordable yet efficient cooling system designed to improve your driving experience in light to medium duty applications. This 3-core water circulation design enhances the cooling efficiency of the system and keeps the temperature within permissible limits even in demanding conditions.

Three rows mean more surface areas, more absorption, and a quick temperature drop. It also boasts a 100 aluminum core which makes it highly efficient and ensures reliable performance in the long run. The core with its impressive heat conduction and corrosion resistance properties gives you an unstoppable experience in extreme weather conditions.

Also, it resists the weathering and impact damage giving you the best value for money. Another good news is that this radiator has been run through many rough tests for its reliability. It is tested for quality performance and drop-in fitment with various jeep wrangler tj YJ models. It offers a drop-in fit for Jeep Wrangler TJ/YJ 1993-2006 models.

The bad side of this unit is that it lacks solid anti-leakage protection. The top corners of the radiator are highly prone to leakage even under regular conditions. Also, this radiator is designed for light to medium-duty application and you cannot expect it to perform in rough off-roading conditions.

What we liked

  • Trouble-free drop-in fit
  • Solid aluminum core
  • Wide compatibility band
  • 3-core design for efficient cooling

What we didn’t like

  • Leakage issues
  • Not for heavy-duty applications

Tiziri TJ 3-core radiator is a solid cooling solution that combines high coolant capacity with a rugged aluminum core. The radiator comes at a very reasonable price and promises the optimal engine performance in all weathers making it the best jeep TJ radiator.

4. AUTOSAVER88 Radiator Compatible with Jeep Wrangler TJ

Next on our list of best jeep TJ radiators is the AUTOSAVER88 radiator. This radiator features a wide compatibility band and fits with a wide range of jeep wrangler TJ 1997-2006. This cooling solution is designed to fit various newest and outdated Jeep TJ engines and delivers decent cooling performance even in tough situations.

What helps it stand among the best jeep TJ radiators is its advanced aluminum core. The solid aluminum cooling system makes it highly efficient in extreme temperature conditions. Unlike its steel counterparts, it conducts heat at a faster rate and maintains the temperature within a permissible limit. The high fin density core increases the overall surface area for improved performance. The coolant capacity is also decent and it is a fine choice for light to medium duty applications.

It is highly corrosion and heat offering reliable performance in the long run. The unit offers a vehicle-specific fit for various jeep TJ models. It is advised to confirm from the seller whether it fits your vehicle and engine or not. The sturdy plastic tanks and aluminum core makes the radiator exceptionally rugged.

The radiator comes with leakage proof and you will get class-leading leakage protection even in tough situations. The direct OE fit makes the installation super quick and easy. The biggest downside of this radiator is that it doesn’t come with a Radiator cap. Also, it needs regular maintenance to ensure optimal performance.

What we liked

  • Affordable
  • Direct OE fit
  • Rugged aluminum core
  • Efficient multi-louvered fin structure

What we didn’t like

  • No radiator cap
  • Needs regular maintenance

If you are looking for a light-duty and affordable radiator for everyday use, Autosaver88 is the best option you can have. With its advanced compatibility with jeep wrangler TJ and efficient cooling system this is a solid option for everyday drivers.

5. ALLOYWORKS 3 Row All Aluminum Radiator

ALLOYORKS 3-row radiator upgrade for jeep wrangler TJ is one of the most efficient radiators currently available in the market. If you do regular off-roading or looking for solid engine support for racing applications, the ALLOYWORKS 3-row radiator is the best option. The unit is crafted with the industry’s best aluminum core making it highly powerful and rugged.

Additionally, this radiator offers the best in class cooling efficiency. With its oversized aluminum core and 3-row coolant circulation system, the overall cooling efficiency is improved by 30-40%. Unlike its stack counterparts, this radiator has a higher coolant capacity. It can store a big volume of coolant and enhances excessive pressure efficiently.

It absorbs, conducts, and dissipates the heat at a much faster rate and maintains the temperature within the permissible limit. The solid build quality of the radiator makes it highly resistant to corrosion and extreme temperature damage. Additionally, it offers 100% leakage protection even in extreme heat conditions. It is designed to fit with Jeep Wrangler TJ/YJ 1987-2006 models.

The adaptable design and direct drop-in fit make the installation process pretty simple. It offers seamless compatibility with news engines, but for outdated models, it may require little modification. The only downside of this unit is that it does not include all the required installation hardware like transmission line fittings. It is an already expensive radiator and buying missing accessories adds more cost to the package.

What we liked

  • Efficient cooling performance
  • Advanced aluminum core
  • Corrosion and heat-resistant construction
  • No leakage issues

What we didn’t like

  • Slightly expensive
  • Missing hardware

AlloyWorks 3-row radiator comes with all those features that you look for in tough racing jeep radiators. With an all-aluminum core and leakage-proof construction, this is undoubtedly the best aluminum radiator for Jeep TJ.

6. Mishimoto MMRAD-WRA-87 Performance Aluminum Radiator

Mishimoto Performance aluminum radiator is a premium grade option featuring a wide compatibility band with jeep wrangler TJ. This is a solid unit that enhances the overall engine performance and offers a smooth driving experience on tough terrains. This aluminum radiator is 10 times more powerful than its stack counterparts and offers class-leading heat and antifreeze performance.

This unit uses a brazed aluminum core that offers efficient cooling performance. The core conducts heat very well and can dissipate energy at a faster rate. It prevents the engine from overheating and premature engine burning. Moreover, it features a dual-core circulation structure. Although it is not as powerful as advanced 3-core and 4-core structures, we loved its cooling efficiency in challenging off-road conditions.

It comes with all the installation hardware and offers seamless compatibility with jeep wrangler TJ/YJ 1987-2006 models. The weak part of the radiator is that it features a 2-core design. It is one of the most expensive aluminum radiators but its two-core design limits its application in racing.

What we liked

  • Solid construction
  • Leakage proof design
  • Efficient cooling performance
  • Drop-in fit with jeep tj

What we didn’t like

  • 2-core design

Mishimoto MMRAD-WRA-87 with brazed aluminum construction prevents the engine from overheating and premature engine burning. Additionally, we loved its polished sturdy tank that minimizes the chances of leakage and offers a maintenance-free off-roading experience in extreme weather conditions.

7. DWVO Complete Radiator Compatible with Jeep TJ

The final option on the list of best jeep TJ radiators is the DWVO complete radiator. This is a reliable and affordable radiator that offers advanced compatibility with jeep wrangler TJ 1987-2006 models. This unit is built for everyday driving applications and offers a direct OEM fit with all the compatible vehicles.

For enhanced cooling efficiency, it uses a high-density Multi-mount fin design.  The oversized cooling surface enhances the ability to dissipate the heat at a faster rate. This feature makes the radiator ideal for extreme weather applications. The aluminum core further enhances its cooling efficiency.

The aluminum fights well against heat and corrosion and ensures durability for many years to come. The brass oil cooler comes with an anti-rust coating for improved protection and long-term performance. The unit is backed by a 12000 miles warranty. Although it is an affordable unit, we loved its core construction and leakage-proof design.

It uses advanced TIG welding for complete leakage protection even in tough weather conditions. It offers a direct OEM fit and the installation is pretty easy. However, for some engines, it may require a little modification and therefore professional installation is highly recommended. This unit has limited application and it is not a suitable choice for racing and fuel-taxing off-roading applications.

What we liked

  • Affordable
  • Leakage proof design
  • Aluminum core for maximum durability

What we didn’t like

  • Limited application

DWVO Complete radiator features an adaptable design and powerful core for trouble-free compatibility with multiple jeep TJ models. Although it is an affordable radiator it doesn’t compromise on the quality and delivers efficient performance in extreme weather conditions.

Buying Guide on Best Jeep Tj Radiator

Best Jeep TJ Radiators
Infographic: Best Jeep TJ Radiators

1. The Price-Tag

The price of a product highly influences its quality, and if you only focus on saving money, you may neglect the quality. However, many best Jeep TJ radiator options are light on pocket yet ensure high performance. Still, whether you want performance or to save money is on you. You must increase your budget limit if you are looking for additional features. 

With an expensive radiator, you can get drain plugs, radiator caps, or TIG-welded end tanks that boost your driving experience. However, it is important to know that not all expensive radiators are the best and cheap ones are bad. Before making a purchase, set a budget and look for all the required features in a radiator within your range. Also, if you find the best jeep TJ radiator that costs you a bit high, never hesitate to pay. 

2. Ease of Installation

Now you don’t have to act as a mechanic or pay hundreds of dollars to the mechanic when it comes to the installation of a radiator. Almost all companies are moving towards easy-to-install options to ensure customer convenience. While in the past, it was quite a tough job. When you look for such opportunities, also check the installation manual. This will help you through each step. With the right directions and tools, installing a jeep radiator will take only 1.5-2 hours max. 

3. Material Quality

Modern radiators are made of aluminum because of their high heat absorption properties that boost their performance. Also, with Brazed aluminum manufacturing, you get minimal distortion. However you can buy a radiator with a plastic tank, but the core should be made of aluminum to ensure durability. 

4. Heat Dissipation Efficiency

The purpose of a radiator is to keep the engine cool; therefore, this is the most crucial factor when looking for a third-party radiator. When buying a radiator, check heat dissipation efficiency. With a high heat dissipation efficiency, you get durability and high performance. Check cooling capacity, the number of active radiators, and surface area. Also, adding drain plugs, radiator caps, or TIG-welded end tanks increases performance. So, keep this feature a priority if you want the best Jeep TJ radiator.  

How long do Jeep radiators last?

The lifespan of the jeep radiator varies between 3-8 yarer. The life of the radiator depends upon its build quality, application, and maintenance. Well-maintained aluminum jeep radiators last for around 6-8 years even in the tough racing and off-roading applications.

Which is better: plastic or aluminum radiator?

Aluminum radiators are far better and more powerful than plastic radiators. The plastic radiators are cheap but have very limited applications. Aluminum radiators are expensive but offer class-leading cooling efficiency and resistance to corrosion.

Is an aftermarket radiator worth it?

Suppose you can compromise on quality and durability; only then an aftermarket radiator is worth it. However, it is a fact that you cannot get enough safety with this product. Therefore, buying a jeep radiator with all the required features is recommended, so you never have to compromise on safety. 

Wrapping Up

A jeep TJ radiator upgrade significantly improves the performance of the engine for a trouble-free driving experience. Aluminum radiators are the best choice for Jeep Wrangler TJ since they offer impressive cooling efficiency and long service life. All the options on our list are tested for quality and performance but our top three picks from the list are:

  • CoolingSky 62MM 4 Row Core Aluminum Radiator for its drop-in fit, TIG-welded structure, 4-row design, and unmatched cooling efficiency.
  • ALLOYWORKS 3 Row All Aluminum Radiator for solid aluminum core, leakage proof design, and wide compatibility band.
  • DWVO Complete Radiator Compatible with Jeep TJ for an affordable price, advanced leakage protection, 3-core design, and impressive cooling efficiency.

Finally, it is recommended to look for radiators offering drop-in fit with the engine you own. Radiator installation is already a costly process and even a little modification to the design will add extra cost to it.