Best Coolant for Jeep Wrangler
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Best Coolant for Jeep Wrangler – Top-Rated Products

Also known as the antifreeze, the coolant is a liquid substance that helps to keep the engine “in check”. It’s equally capable of protecting it from overheating and freezing. When the engine is getting really hot, the Best Coolant for Jeep Wrangler absorbs most of that heat and gets rid of it by flowing back to the radiator. And when it’s a cold winter, it does the opposite – makes sure the engine is nice and warm.

In this post, you’ll find a list of the finest offers available on the market right now. They’re all reasonably-priced, easy to store and come from world-known brands. So, take your pick, and help the engine stay operational during the most extreme weather conditions!

Comparison Table – Best Coolant for Jeep Wrangler (Updated November, 2020)

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Editor’s Choice

Genuine Mopar Fluid 68048953AB Antifreeze/Coolant - 1 Gallon Bottle

1) Mopar 68048953AB Coolant

  • Best Features:
    – Excellent performance in harsh winters
    – Compatible with a long list of vehicles and bikes
    – Available in different configurations
  • Coolant Type: Concentrate
  • Effectiveness: 5 Years/100,000 Miles
  • Fits: 1997-2012 Jeep Wrangler TJ, JK
  • Size: 1 Gallon
  • Available Options:
    Concentrate for Jeep JK 2015+
    Ready-to-Use 50/50 Jeep JK / JL 2013-2020

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PEAK PXAB53 Antifreeze Coolant, 1 gal, 50/50, Amber

2) PEAK Antifreeze

  • Best Features:
    – Protects against hard water deposits/scale
    – A low-budget purchase
    – A 100% US-made product
  • Coolant Type: Ready-to-Use 50/50
  • Effectiveness: 5 Years/100,000 Miles
  • Fits: 1997-2012 Jeep Wrangler TJ, JK
  • Size: 1 Gallon

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Zerex G05 Phosphate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA

3) Zerex G05 Antifreeze

  • Best Features:
    – Premium-grade defoamer system
    – Protects metals (including aluminum) from corrosion and rust
    – Fully compatible both with diesel and gasoline engines
  • Coolant Type: Ready-to-Use 50/50
  • Effectiveness: 5 Years/100,000 Miles
  • Fits: 1997-2012 Jeep Wrangler TJ, JK
  • Available Options:
    Concentrate for Jeep TJ, JK 1997-2012
  • Size: 1 Gallon

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Best Coolant for Jeep Wrangler Review

1. Mopar 68048953AB Coolant

Genuine Mopar Fluid 68048953AB Antifreeze/Coolant - 1 Gallon Bottle

I want to point out right from the beginning that Mopar’s coolant is the most expensive one on the list. But, before you skip to the other two, let me just say that the price-tag is quite reasonable. First of all, this coolant is compatible with a long list of different trucks, SUVs, and even motorcycles. Secondly, it boasts enhanced resistance against harsh winters and summers.

Plus, the company offers different “configurations” to choose from. So, yes, even though the price is high, Mopar did an excellent job with this antifreeze and it will be money well spent.

Product Rating
Mileage
5 / 5
Value for Money
5 / 5
Result
5
Pros & Cons
Specifically designed to withstand harsh weather conditions
Can be used with a wide range of vehicles/bikes
Several options to choose from
A bit expensive compared to the market average

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John Peterson
John Peterson
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Designed to withstand extremely cold/hot weather, the Mopar coolant is also highly flexible and versatile. It costs more than most similar products, though; so, if you’re on a tight budget, you might want to look elsewhere.

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2. PEAK Antifreeze/Coolant

PEAK PXAB53 Antifreeze Coolant, 1 gal, 50/50, Amber

And here we have one of the most affordable coolants out there. PEAK made and tested it in the United States, which means you don’t have to worry about its quality. With this coolant, you’ll get top-of-the-line protection against scale and water deposits. These can cause the engine a lot of harm and even ruin it in the long run.

The only downside is the (minor) issues with quality control. Some customers complain about getting the wrong product or having it arrive with the seal broken. If this happens to you, don’t hesitate to contact PEAK for a replacement.

Product Rating
Mileage
5 / 5
Value for Money
5 / 5
Result
5
Pros & Cons
Excellent protection against hard water deposits and scale
One of the most affordable products
Made and tested in the States
Minor quality control issues

Expert Recommendations
John Peterson
John Peterson
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Looking for a cheap, yet decent-quality coolant for your Jeep Wrangler? Well, this could be exactly what you need! Made in the US, PEAK’s antifreeze is capable of both cooling and heating the engine. Plus, it protects against scale and water deposits.

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3. Zerex G05 Antifreeze/Coolant

Zerex G05 Phosphate Free 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA

With the Zerex coolant, you can rest assured that the plastic parts or, say, the hose in the engine compartment, won’t be damaged. This is achieved thanks to the defoamer system. It’s also worth mentioning the unique European technology implemented into this product that protects all metals from rusting. A quick note: Zerex G05 can be used both with gasoline and diesel engines.

As for the cons, the formula is pretty much colorless. That means it will be harder for a new mechanic to figure out whether this is a 50/50 mix or just water. Other than that, this coolant is a bargain.

Product Rating
Mileage
5 / 5
Value for Money
5 / 5
Result
5
Pros & Cons
Features an advanced defoamer system
Anti-rust and anti-corrosion protection
Safe to use with both diesel and gasoline engines
Colorless formula (might be hard to distinguish it from water)

Expert Recommendations
John Peterson
John Peterson
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If not for the colorless origin of this coolant, it could’ve easily been the best pick. Regardless, the anti-rust protection, defoamer system, and compatibility with diesel and gasoline engines make it a safe bet.

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Conclusion

And that is it for my list of the best coolant products on the market. As we learned today, they come in different shapes and sizes, but the formula is pretty much the same. PEAK offers one of the most affordable options out there. It is made and tested in the US and is quite effective at protecting against scale and (water) deposits. With Zerex, you’ll get protection against corrosion and rust, among other things.

As for Mopar’s coolant, it will be a good purchase for Wrangler owners living somewhere in Alaska or Arizona (places with extreme weather conditions). This isn’t the most affordable product, of course, but the price-tag is reasonable.

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