The Best Antifreeze & Car Coolants 2025

Updated On December 13th, 2025

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Rank Product Name Score
1
Prestone Cooling System Treatment, 22 FL. Oz.

Prestone Cooling System Treatment, 22 FL. Oz.

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100%
2
Prestone Your Choice Extended Life or Dex-Cool Antifreeze/Coolant Kit

Prestone Your Choice Extended Life or Dex-Cool Antifreeze/Coolant Kit

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96%
3
Dex-Cool Concentrate Antifreeze Flush & Fill Bundle

Dex-Cool Concentrate Antifreeze Flush & Fill Bundle

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94%
4
Prestone DEX-COOL Antifreeze+Coolant for GM Vehicles; Extended Life -1 gal- Ready to Use, 50/50

Prestone DEX-COOL Antifreeze+Coolant for GM Vehicles; Extended Life -1 gal- Ready to Use, 50/50

Check Price
94%
5
Prestone Universal Antifreeze and Coolant Concentrate for All Vehicles, 1 Gallon

Prestone Universal Antifreeze and Coolant Concentrate for All Vehicles, 1 Gallon

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94%
6
Super Tech RV & Marine Antifreeze Safe Odorless Formula for Potable Water 1 Gallon

Super Tech RV & Marine Antifreeze Safe Odorless Formula for Potable Water 1 Gallon

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92%
7
Prestone Flush 'N Fill Kit, Prevents engine damage from clogged radiator

Prestone Flush 'N Fill Kit, Prevents engine damage from clogged radiator

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92%
8
Prestone RV/Marine Antifreeze, 1-Gallon

Prestone RV/Marine Antifreeze, 1-Gallon

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86%
9
Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon

Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon

Check Price
0%
10
Prestone Super Radiator Flush, 22 Oz.

Prestone Super Radiator Flush, 22 Oz.

Check Price
0%

1. Prestone Cooling System Treatment, 22 FL. Oz.

Prestone Cooling System Treatment, 22 FL. Oz.
100%

Our Score

Prestone Cooling System Treatment, 22 FL. Oz.

Prestone Cooling System Treatment

2. Prestone Your Choice Extended Life or Dex-Cool Antifreeze/Coolant Kit

Prestone Your Choice Extended Life or Dex-Cool Antifreeze/Coolant Kit
96%

Our Score

This Bundle Comes With: Your Choice of (2) Extended Life or Dexi-Cool Coolant/Antifreeze Prestone Radiator Flush and Cleaner Additive Add optional acessories!

Refer to individual components for additional information and reviews

3. Dex-Cool Concentrate Antifreeze Flush & Fill Bundle

Dex-Cool Concentrate Antifreeze Flush & Fill Bundle
94%

Our Score

Bundle and save. Get more and spend less when you buy these items together. See individual items for a complete description.

(Two) Prestone Dex-Cool Extended Life Antifreeze/Coolant, 1gal: For use in all vehicles that require Dex-Cool coolant and all other cars and light duty trucks with aluminum radiators Patented Prestone Antifreeze/Coolant formula Concentrated blend of premium long-lasting inhibitors For extended performance Protects against temperature extremes and the ravages of rust and corrosion For 5 years or 150,000 miles Helps maintain your car and reduce wear during use Extends vehicle's lifetime and keeps up performance Includes one full gallon of Prestone Extended Life Coolant 1gal Prestone Extended Life Coolant Prestone Radiator Flush and Cleaner Additive: 2-in-1 formula Designed for light flushing and heavy duty cleaning for cooling systems to help prevent overheating Prestone Antifreeze Tester: Professional do-it-yourself tester Auto antifreeze tester easily gauges anti-freeze/anti-boil protection Allows visual inspection for rust and sediment

4. Prestone DEX-COOL Antifreeze+Coolant for GM Vehicles; Extended Life -1 gal- Ready to Use, 50/50

Prestone DEX-COOL Antifreeze+Coolant for GM Vehicles; Extended Life -1 gal- Ready to Use, 50/50
94%

Our Score

Prestone DEX-COOL antifreeze+coolant - Ready To Use (50/50 Prediluted) is specially designed to work with All GM vehicles 1995 and newer (GM approved), most Ford vehicles 2011 - 2018 and most Chrysler vehicles 2013 and newer. Prestone's Antifreeze+Coolants are designed to the highest standards using state of the art technology. These fluids are designed to not only manage the engine temp and protect from freezing up, they also protect the engine from rust and corrosion. 1 gallon.

Formulated for use in all vehicles that require Dex-Cool antifreeze/coolant Provides up to 5 years or 150,000 miles of protection Multi-color Prestone Dex cool concentrate contains 1 gal

5. Prestone Universal Antifreeze and Coolant Concentrate for All Vehicles, 1 Gallon

Prestone Universal Antifreeze and Coolant Concentrate for All Vehicles, 1 Gallon
94%

Our Score

Prestone Universal Antifreeze + Coolant Concentrate is designed for use in any car or light-duty truck. It is compatible with all coolant technologies and fluid colors. The Cor-Guard technology in this product helps prevent corrosion, leaks, and deposits that can damage engines. Guaranteed to provide engine protection for up to 10 years or 300,000 miles, this antifreeze ensures your engine runs smoothly in all weather conditions.

Designed for all vehicle makes and models Patented Cor-Guard technology to prevent corrosion 10 Year or 300,000 mile protection life Suitable for all seasons and climates Compatible with all coolant technologies Free of harmful additives such as nitrates and silicates

6. Super Tech RV & Marine Antifreeze Safe Odorless Formula for Potable Water 1 Gallon

Super Tech RV & Marine Antifreeze Safe Odorless Formula for Potable Water 1 Gallon
92%

Our Score

Safe, odorless and non-staining Super Tech RV & Marine Antifreeze provides -50 degrees F burst protection and is safe to use with potable water plumbing systems in RVs, boats, pools and vacation homes. It's a simple and read to use winterizer that you can rely on to protect your water lines during the heart of winter. Super Tech RV & Marine Antifreeze comes in an easy-pour bottle and is simple to use for a variety of applications.

Super Tech RV and Marine Antifreeze, 1 Gallon 50 degrees F burst protection Easy-pour bottle makes winterizing your vehicle simple Helps keep potable water plumbing systems in RVs, boats, pools and vacation homes running in low temperature situations Super Tech antifreeze is safe, odorless and non-staining Boat antifreeze provides corrosion protection to keep your plumbing running through the cold season Necessary in cold areas but also works well in places that get occasionally cold Low cost way to prevent expensive repairs 8.9 lbs Assembled Product Dimensions (L x W x H) 5.88 x 5.88 x 11.88 Inches Packaging requirements for returns - Due to federal restrictions, this item must be returned in its original package, or with secure ORM-D packaging obtained from the post office. Multipurpose application delivers versatile options and allows for use in cabins, pools, RVs, and marine craft systems Color: Pink Quantity: 1 Material: Water, denatured Ethanol, Propylene Glycol, Glycerin, Corrosion Inhibitor, Dye

7. Prestone Flush 'N Fill Kit, Prevents engine damage from clogged radiator

Prestone Flush 'N Fill Kit, Prevents engine damage from clogged radiator
92%

Our Score

Pick up this Prestone Flush 'N Fill Kit to keep your vehicle running reliably and at peak performance. It'll help you backflush your cooling system and install new antifreeze/coolant in mere minutes. This Prestone antifreeze flush and fill kit is suitable for use in most cars, light trucks and SUVs. Draining alone can leave up to 40 percent of the old coolant in the radiator. This antifreeze flush enables you to rinse the entire cooling system. It's simple to use and helps prevent costly damage from a clogged radiator. This item will make an ideal addition to almost any set of vehicle maintenance tools and accessories.

Prestone Flush 'N Fill Kit, Prevents engine damage from clogged radiator, 8.75x8 IN Plastic Jug Fits most cars and trucks Installs in minutes Prevents engine damage from a clogged radiator Draining alone can leave up to 40% of the old coolant in your system Flushing allows you to clear the whole cooling system Color: Yellow Material: Plastic Size: 8.75 x 8 inches

8. Prestone RV/Marine Antifreeze, 1-Gallon

Prestone RV/Marine Antifreeze, 1-Gallon
86%

Our Score

Protect your plumbing during the cold-weather months with Prestone RV Marine Antifreeze, 1-Gallon jug. It's ideal for winterizing all types of potable water supply systems. The RV winterizing antifreeze is suitable for use in boats, trailers, recreational vehicles, vacation homes, swimming pool filtration and heating systems. It provides outstanding rust and metal protection for all metal pipes commonly found in water supply systems. Prestone RV Marine Antifreeze, 1-Gallon jug is ready to use straight from the container, with no diluting required. It also features burst protection to -50 degrees Fahrenheit. The specialized formula with propylene glycol is alcohol-free and contains a non-staining dye to protect against damage. It comes in a jug with a molded-in handle for ease of use.

Prestone RV/Marine Antifreeze: Burst protection to -50 degrees Fahrenheit Ready to use: do not dilute Protection from rust and metal corrosion Non-staining dye Will not harm plastic (except acetate) Prestone antifreeze is ideal for winterizing all types of potable water supply systems It is recommended for use in boats, trailers, recreational vehicles, vacation homes, swimming pool filtration and heating systems Alcohol-free Contains propylene glycol Color: pink Size: 1 gallon Warning: harmful if swallowed, keep away from children and pets

9. Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon

Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon
0%

Our Score

Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon

Winter-EEZ Bio-Renewable RV Antifreeze, 1 Gallon

10. Prestone Super Radiator Flush, 22 Oz.

Prestone Super Radiator Flush, 22 Oz.
0%

Our Score

Prestone AS107 Super Radiator Flush - 22 oz. Product Features Remove rust deposits and oily residue Helps maximize cooling system efficiency Intended for cars with heavier build ups of rust and radiator and heater core deposits A strong chelating compound binds rust and other corrosion deposits to help flush them out Product Description A premium Prestone antifreeze/coolant change begins with Prestone Super Radiator Flush. Helps remove rust deposits and oily residue in an easy, one-step process. Premium formulation helps maximize cooling system efficiency. Super Radiator Flush maximizes cooling system efficiency by helping to flush out harmful rust deposits, grease, and oily residue. It uses a strong chelating compound to bind rust and other corrosion deposits to help flush them out of the system prior to installing new antifreeze. Detergents emulsify oily residues. Super Radiator Flush is intended for cars with heavier build ups of rust and radiator and heater core deposits. SHIPPING We ship throughout the United States using a variety of carriers including USPS, UPS and FedEx. We insure every shipment to guarantee the safety of your package and the best part is our shipping is always FREE. ABOUT US We have been selling on eBay since 2004 and are very proud of our thousands of positive customer reviews which show our strong dedication to outstanding customer service. We strive to bring you the best possible products at a very reasonable price. QUICK AND EASY REFUND POLICY We offer a simple, hassle-free, 30-day return policy so you will have plenty of time to be sure the product is right for you. Our goal is to treat each customer fairly and honestly in all cases. OUR COMMITMENT TO YOU We work hard to bring you great products at competitive prices, to ship them as quickly as possible and to insure you are happy after the sale Thanks so much for giving us this opportunity! If you have any questions about your purchase, shipping status or any other issue the fastest way to get help is to send us a message using the ask seller a question feature. We'll get back to you as fast as possible with the answer.

Prestone Super Flush, 22oz