Best Diesel Coolant Additive 2023: Top 10

Sometimes it might be quite difficult to find the best diesel coolant additive. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this diesel coolant additive buying guide.

Our Top 10 Picks:

The 10 Best Diesel Coolant Additive Reviews:

Bestseller No. 2
Motorcraft VC8 Diesel engine coolant additive - 1 Pint(473 ml)
  • In all heavy-duty, diesel engine cooling systems equipped with green-colored Motorcraft Premium Engine Coolant meeting Ford Specification ESE-M97B44-A
  • In all heavy-duty, diesel engine cooling systems equipped with yellow-colored Motorcraft Premium Gold Engine Coolant meeting Ford Specification WSS-M97B51-A1
  • Designed to replace additives depleted between coolant change-outs
  • Now dyed yellow to eliminate engine coolant color change when mixing
Bestseller No. 3
Genuine Ford Fluid VC-8 Diesel Cooling System Additive - 16 oz. , RED
  • Replaces fluorescent green-colored V119 premium antifreeze/coolant meeting Ford specification ESE-M97B44-A.Fit Type: Universal
  • Replaces yellow-colored Motorcraft gold antifreeze/coolant meeting Ford specification WSS-M97B51-A1
  • Designed to replace additives depleted between coolant change-outs
  • Now dyed yellow to eliminate engine coolant color change when mixing
  • Genuine OEM
SaleBestseller No. 4
Design Engineering 040204 Radiator Relief Coolant Additive for Diesels, 16 oz.
  • Blended for extreme use
  • Decrease coolant temperature up to 30 degrees
  • Concentrated for larger systems
  • Quicker warm up
  • Helps reduce engine wear
Bestseller No. 5
Lubegard 96430 Heavy Duty 2-in-1 Coolant Treatment, 32 fl. oz.
  • Provides 2-in-1 corrosion protection and temperature reduction
  • Provides complete protection from corrosion and chemical electrolysis
  • Protects wet sleeve cylinder liners from cavitation erosion
  • Prevents build-up of scales, deposits and slime that cause overheating
  • Significantly extends life of water pump impellers and seals
Bestseller No. 6
Baldwin Coolant Test Strips (CTK5029-4)
  • Premium Baldwin filtration product
  • Fit type: Vehicle Specific
  • Coolant Test Strips
  • Item Package Weight: 2.0 pounds
Bestseller No. 8
FleetGuard Coolant Test Kit Strips 3 Way Each CC2602B
  • Coolant test strip
  • 1 per card. Priced per strip
  • These 3-Way Strips test for freezepoint
  • These 3-Way Strips test formolybdate and nitrite
Bestseller No. 9
WIX Filters - 24106 Coolant Test Kit, Pack of 1
  • Package Dimensions: 10.16 cms (L) x 5.08 cms (W) x 6.096 cms (H)
  • Product Type: Auto Part
  • Package Quantity: 1
  • Country Of Origin: China
Bestseller No. 10
Hy-Per Lube HPC100-3PK High Performance Super Coolant - 16 oz, (Pack of 3)
  • Reduces Engine Cylinder Heat Temperatures
  • Allows Safe Advancement of Ignition Timing Resulting in More Horsepower
  • Prevents Overheating in High Performance and High Load Engines
  • Complete Protection from Rust, Corrosion and Electrolysis
  • Compatible With All Types of Antifreeze, does not contain ethylene glycol

Last update on 2023-01-12 / Affiliate links / Images from Amazon Product Advertising API

How to find the best diesel coolant additive?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best diesel coolant additive for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good diesel coolant additive recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the diesel coolant additive need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for diesel coolant additive to find what you’re looking for:

Brand

In some cases, the brand of diesel coolant additive is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given diesel coolant additive are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about diesel coolant additive are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare diesel coolant additive quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best diesel coolant additive can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.