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The 10 Best Coolant Additives

Sep 2024

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The Score indicates the overall value of the product.
The rating is based on multiple factors:
The 3 metrics ‐ Opinions, Popularity and Quality,
and other indicators such as: Relative Price, Brand,
Reputation and more. Popularity

Based on thousands of discussions

 Opinions

Based on customer reviews

 Quality

Based on Expert reviews and articles

 Various Indicators

such as Brand reputation and relative price
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$13
$33+
Rank
Manufacturer
Product Name
Score
1
Best Coolant Additives - Baldwin Coolant Additive,Chemical,CS5008 Review Baldwin

Baldwin Coolant Additive,Chemical,CS5008

By Baldwin
9 . 6
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2
Best Coolant Additives - Motorcraft VC8 Diesel engine coolant additive - 1 Review Motorcraft

Motorcraft VC8 Diesel engine coolant additive - 1 Pint(473 ml)

9 . 5
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3
Best Coolant Additives - Motorcraft Ford Diesel Coolant Additive VC8 - 3 Review Motorcraft

Motorcraft Ford Diesel Coolant Additive VC8 - 3 Bottles

9 . 2
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4
Best Coolant Additives - VP Racing Fuels Madditive Cool Down - Radiator Review VP Racing

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

8 . 8
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5
Best Coolant Additives - Red Line 80204 Engine Coolant Additive Supercool Review Red Line

Red Line 80204 Engine Coolant Additive Supercool with Waterwetter - 12 Ounce

8 . 5
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6
Best Coolant Additives - Design Engineering 40200 Radiator Relief Coolant Additive Review Design Engineering

Design Engineering 40200 Radiator Relief Coolant Additive for All Water Cooled Engines, 16 oz.

8 . 4
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7
Best Coolant Additives - Red Line 80204 Engine Coolant Additive Supercool Review Red Line

Red Line 80204 Engine Coolant Additive Supercool with Waterwetter - 12 Ounce (2 Pack)

8 . 1
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8
Best Coolant Additives - Red Line (80204) Water Wetter - Coolant Additives Review Red Line

Red Line (80204) Water Wetter - Coolant Additives - 12 oz Bottle

7 . 6
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9
Best Coolant Additives - Cummins Filtration Fleetguard DCA60L Coolant Additive 16oz. DCA4 Review Fleetguard

Cummins Filtration Fleetguard DCA60L Coolant Additive 16oz. DCA4

7 . 4
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10
Best Coolant Additives - Genuine Ford Fluid VC-8 Diesel Cooling System Additive Review Ford

Genuine Ford Fluid VC-8 Diesel Cooling System Additive - 16 oz., 2 count.

By Ford
7 . 1
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