Best Engine Coolant Additive [2022]

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Our team studied on 55830 reviews available online for Engine Coolant Additive, chose the finest ones and prepared Engine Coolant Additive Reviews for you. It was very difficult to shortlist the ideal Engine Coolant Additive from thousands of products online. However, We tried to make sure that you get only the Best Engine Coolant Additive from our suggestions. Check our listings-:

Comparison Chart for Best Engine Coolant Additive

We’ve scanned 55830 reviews for you. If you are looking for the Engine Coolant Additive than this review article may help you.

NoProductScoreAction
1Motorcraft Ford Diesel Coolant Additive VC8 - 3 Bottles9.8Check Price On Amazon
2Red Line (80204) Water Wetter - Coolant Additives - 12 Oz Bottle9.4Check Price On Amazon
3Genuine Ford Fluid VC-12 Orange Specialty Revitalizer Engine Coolant - 1 Quart9Check Price On Amazon
4Motorcraft VC8 Diesel engine coolant additive - 1 Pint(473 ml)8.8Check Price On Amazon
5Design Engineering 040200 Radiator Relief Coolant Additive for All Water Cooled Engines8.8Check Price On Amazon
6Mishimoto - MMRA-LC-5050F Liquid Chill Synthetic Engine Coolant8.8Check Price On Amazon
7STAR BRITE Star-Cool Premium Synthetic PG Engine Coolant - 1 GAL (033200)8.8Check Price On Amazon
8VP Racing Fuels Madditive Cool Down - Radiator Systems Temperature Decrease 16 Ounces for All Radiators. Decreases Engine Temps up to 30 Degrees8.8Check Price On Amazon
9Hy-Per Lube HPC100-3PK High Performance Super Coolant - 16 oz8.6Check Price On Amazon
10Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 oz8.4Check Price On Amazon

Table Of Content:

1. Motorcraft Ford Diesel Coolant Additive VC8 – 3 Bottles

2. Red Line (80204) Water Wetter – Coolant Additives – 12 Oz Bottle

  • Cutting edge technology – We at red line created this industry, pushing bubbles out of the way to ensure efficient & effective engine cooling.
  • Ultimate cooling performance – Coolant additive with a unique agent that lowers temperatures by reducing and eliminating bubbles or vapor barrier that form on hot metal surfaces.
  • Perform & protect – Waterwetter protects from rust & corrosion, allowing the use of straight water in racing or reduced antifreeze levels in warm climates.
  • Easy to use – Use one bottle for most cars & light trucks, treats 3 to 5 gallons.
  • Why red line – Established in 1979, red line products perform & protect better than any on the market.

3. Genuine Ford Fluid VC-12 Orange Specialty Revitalizer Engine Coolant – 1 Quart

  • Designed to replenish the corrosion inhibitors specific to Motorcraft orange antifreeze/coolant which may deplete with time between engine coolant change-outs.
  • Do not mix different colors or types of coolant in your vehicle
  • Do not mix different colors or types of coolant in your vehicle
  • May be added up to two times over the life of the engine antifreeze/coolant
  • Use according to owner guide recommendations

4. 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

5. Design Engineering 040200 Radiator Relief Coolant Additive for All Water Cooled Engines

  • No mixing required; just add to cooling system and reduce engine operating temperature up to 30 degrees Fahrenheit.
  • Formulated with a corrosion inhibitor and reduces pre-existing scale build-up
  • For use in all water cooled engines
  • Compatible with water and all anti-freeze mixtures
  • Safe with all alloys – 100% biodegradable, non-corrosive and non-toxic additive
  • Fit type: Vehicle Specific

6. Mishimoto – MMRA-LC-5050F Liquid Chill Synthetic Engine Coolant

  • Protects against boil over to 265°F and freezing to -26°F
  • Reduces engine wear and inhibits corrosion
  • Safe for all radiators and all gas/diesel engines
  • Premixed coolant provides year-round protection
  • Mishimoto Lifetime Warranty

7. STAR BRITE Star-Cool Premium Synthetic PG Engine Coolant – 1 GAL (033200)

  • PCT additive package maintains engine temperature to develop maximum horsepower
  • Reduces operating temperatures faster than other coolants
  • Meets or exceeds all OEM and appropriate ASTM specs
  • Formulated to seal pinhole leaks or fissures
  • Non-toxic – Does not contain ethylene glycol

8. VP Racing Fuels Madditive Cool Down – Radiator Systems Temperature Decrease 16 Ounces for All Radiators. Decreases Engine Temps up to 30 Degrees

  • Cool Down coolant additive improves the performance of coolant and is safe for all radiator systems.
  • Reduces cylinder head temperatures up to 75°F and decreases engine temperature up to 30°F! Cool Down increases coolant flow for better heat transfer.
  • Lubricates vital components and approved by most race sanctions.
  • Treatments last for one year or 30,000 miles, whichever comes first.
  • Open the bottle and add contents straight into the radiator or coolant reservoir.

9. Hy-Per Lube HPC100-3PK High Performance Super Coolant – 16 oz

  • 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

10. Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive – 12 oz

  • OPTIMIZES PROTECTION
  • Prevents erosion and electrolysis
  • Compatible with all coolants types
  • Contains lubricants to protect the water pump
  • Fit type: Vehicle Specific

How To Choose The Best Engine Coolant Additive

Does the thought of finding a great Engine Coolant Additive stress you out? Has your mind been juggling between choices when it comes to buying Engine Coolant Additive in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Engine Coolant Additive for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Engine Coolant Additive. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Engine Coolant Additive in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Engine Coolant Additive currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Engine Coolant Additive brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Engine Coolant Additive based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Engine Coolant Additive before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Engine Coolant Additive they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Engine Coolant Additive, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Engine Coolant Additive before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Engine Coolant Additive will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Engine Coolant Additive if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Engine Coolant Additive on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Engine Coolant Additive on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Engine Coolant Additive featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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