1
Supports all engine cooling systems effectively.
Contains Denatonium Benzoate for added safety.
10X scale-fighting inhibitors for optimal performance.
Protects against scale, corrosion, and damage.
Free from harmful chemicals like silicate and nitrite.
Compatible with any existing antifreeze or coolant.
Lasts over 10 years or 300,000 miles.
Average Rating out of 5:
Price Range: $10.65
2
Premixed 50/50 formula for easy use. Designed for numerous Chrysler and Fiat models. 10-year or 150,000-mile lifespan. Prevent engine overheating and freezing. Embittered for safety and non-toxic handling. Meets ASTM D3306 standards for reliability. Packaged weight: 9.4 pounds for easy handling.
Average Rating out of 5:
Price Range: $19.57
Color: 15 positive
3
Compatible with Asian vehicles like Toyota and Lexus.
Silicate and borate-free for optimal protection.
50/50 prediluted, ready-to-use formula.
Long-life protection for 5 years or 150,000 miles.
Prevents rust and corrosion in cooling systems.
Helps avoid harmful scale and deposits.
Meets various OEM and industry specifications.
Average Rating out of 5:
Price Range: $18.84
Color: 16 positive
4
1 gallon of advanced engine coolant.
Compatible with extended life antifreeze/coolants.
Prevents rust and corrosion in cooling systems.
Designed for European vehicle requirements.
Guaranteed protection up to 150,000 miles.
50/50 prediluted for easy top-offs.
Includes bittering agent for safety.
Average Rating out of 5:
Price Range: $18.95
Color: 4 positive
5
1 gallon of engine antifreeze/coolant.
Compatible with extended life antifreeze/coolants.
Prevents rust and corrosion in cooling systems.
Designed for Lexus, Scion, and Toyota vehicles.
Guaranteed protection for 150,000 miles or 5 years.
50/50 prediluted for easy top-offs.
Contains bittering agent for safety.
Average Rating out of 5:
Price Range: $18.95
Color: 0 positive
6
Premium gas-line antifreeze for optimal engine performance.
Absorbs five times more water than regular products.
Removes water to prevent fuel system issues.
Protects against rust and corrosion in fuel systems.
Enhances gas mileage and overall efficiency.
Ideal for year-round use in any climate.
Not available for sale on Catalina Island.
Average Rating out of 5:
Price Range: $2.98
Material: Plastic
7
High-quality ethylene glycol-based antifreeze.
Compatible with gasoline and diesel engines.
Year-round protection against freezing and boiling.
Ready-to-use; no water needed.
Freeze protection down to -34°F (-37°C).
Boiling protection up to 265°F (129°C).
Contains a bittering agent for safety.
Average Rating out of 5:
Price Range: $17.14
Color: 5 positive
8
Compatible with extended life antifreeze and coolants.
Prevents rust and corrosion in cooling systems.
Ideal for Asian vehicle brands and models.
Contains bittering agent for safety and deterrence.
Guaranteed service life of 150,000 miles or 5 years.
50/50 prediluted for easy topping off.
Advanced formula enhances engine cooling system protection.
Average Rating out of 5:
Price Range: $18.95
9
Genuine engine coolant for optimal performance.
Prevents overheating and engine damage.
Contains a bittering agent for safety.
Single quantity, no core charge required.
Weight: 9.34 lbs for easy handling.
Compatible with various engine types.
Long-lasting protection in extreme temperatures.
Average Rating out of 5:
Price Range: $29.50
Color: 15 positive
10
Compatible with all ethylene glycol-based coolants.
Protects against corrosion, scaling, and rust.
Safe for aluminum and all cooling system metals.
High-quality additives prevent leaks and damage.
Ready-to-use pre-mixed 50/50 formula.
Protects engines from winter freezing and summer boiling.
Contains bittering agent for safety.
Average Rating out of 5:
Price Range: $14.95
11
1 gallon of advanced antifreeze/coolant.
Compatible with extended life coolants.
Protects against rust and corrosion.
Designed for European vehicles.
Contains a bittering agent for safety.
Guaranteed service life: 150,000 miles or 5 years.
50/50 prediluted for easy top-offs.
Average Rating out of 5:
Price Range: $18.95
12
Two 1 quart bottles included in the pack.
Genuine OEM Honda coolant for reliable performance.
50/50 blend, ready to use right away.
Compatible with motorcycles, ATVs, and UTVs.
Replaces multiple old part numbers effectively.
Ensures optimal cooling in extreme conditions.
Ideal for snowmobiles and other recreational vehicles.
Average Rating out of 5:
Price Range: $21.10
13
Superior freeze protection for all climates. Prevents rust, scale, and corrosion effectively. Compatible with all cooling system metals. High-quality additives for leak protection. Ready-to-use 50/50 orange formula. 5-year/150,000-mile engine protection guarantee. Lab and fleet tested for optimal performance.
Average Rating out of 5:
Price Range: $19.59
14
Removes water from fuel systems efficiently.
Prevents gas line freezing in cold weather.
Reduces rust and corrosion in fuel systems.
Compatible with all 4-cycle engines.
Enhances engine performance and longevity.
Easy to use for quick winter starts.
Trusted brand for quality fuel additives.
Average Rating out of 5:
Price Range: $2.08
Material: Cruelty Free
15
Tests brake fluid and coolant simultaneously. 15 double-ended test strips in one pack. Quick results in 60 to 90 seconds. Identifies potential fluid-related issues early. Recommended by Tesla for brake fluid testing. Foil-wrapped strips for optimal freshness. Ensures safety and reduces unexpected breakdowns.
Average Rating out of 5:
Price Range: $16.63
16
Compatible with all vehicle cooling systems.
Fast-acting, long-lasting rust and corrosion protection.
Non-abrasive formula with Organic Acid Technology.
Contains bittering agent for safety.
Versatile for all American, Asian, and European vehicles.
Safe for fills and top-offs without contamination.
Lifetime performance with proper maintenance.
Average Rating out of 5:
Price Range: $19.95
17
Genuine Toyota-Scion engine coolant for optimal performance.
Ready-to-use formula for easy application.
Ideal for top-offs or complete system refills.
Prevents overheating and maintains engine temperature.
Contains a bittering agent for safety.
Helps prevent corrosion in cooling systems.
Set of 2 for added value and convenience.
Average Rating out of 5:
Price Range: $54.99
18
Polaris 50/50 Premix for optimal engine performance.
Designed for aluminum cooling systems in vehicles.
Provides boil-over protection in extreme temperatures.
Freeze protection down to -34°F (-37°C).
Quick fill formula saves service time.
Compatible with 2- and 4-stroke engines.
Engineered to maximize the lifespan of your ride.
Average Rating out of 5:
Price Range: $13.86
19
Enhances cooling system efficiency with wetting agents.
Protects against rust and corrosion in systems.
Allows use of straight water for racing applications.
Treats 3 to 5 gallons of coolant fluid.
Compatible with various antifreeze types, including DEX-COOL.
Meets ASTM corrosion test standards for reliability.
Trusted brand since 1979 for superior performance.
Average Rating out of 5:
Price Range: $13.89
20
Compatible with extended life antifreeze/coolants.
Prevents rust and corrosion in cooling systems.
Designed specifically for North American vehicles.
Recommended for Ford, Chrysler, and GM vehicles.
Guaranteed protection for 150,000 miles or 5 years.
Concentrated formula for optimal performance.
Ideal for flushing and topping off systems.
Average Rating out of 5:
Price Range: $24.99
21
Superior freeze protection and anti-boil performance.
Resists rust, scale, and corrosion effectively.
Protects all cooling system metals, including aluminum.
High-quality additives prevent leaks and damage.
Mix with water for optimal performance ratios.
5-year/150,000-mile engine protection guarantee.
Batch-tested for reliability and performance assurance.
Average Rating out of 5:
Price Range: $20.69
22
1 gallon of advanced antifreeze/coolant.
Compatible with extended life coolants.
Prevents rust and corrosion effectively.
Designed specifically for European vehicles.
Guaranteed protection up to 150,000 miles.
50/50 prediluted for easy top-offs.
Contains bittering agent for safety.
Average Rating out of 5:
Price Range: $18.95
23
Genuine Mopar coolant for reliable performance.
Lasts up to 10 years or 150,000 miles.
1-gallon concentrate for easy mixing.
Contains a bittering agent for safety.
Compatible with all radiators and engines.
Protects against corrosion and overheating.
Ideal for gas and diesel engines.
Average Rating out of 5:
Price Range: $20.64
24
Subaru Genuine Super Coolant Blue, 1 Gallon.
Prediluted 50/50 antifreeze and coolant mixture.
Corrosion and rust protection for cooling system.
Cold-weather protection down to -62° F.
Compatible with 2009 and newer Subaru models.
Contains organic corrosion inhibitors for longer life.
Includes a bittering agent for safety.
Average Rating out of 5:
Price Range: $28.05
25
Genuine BMW product for optimal vehicle performance.
Part number 82141467704 for easy identification.
Concentrated formula; dilution necessary before use.
Reduces harmful deposit formation in cooling system.
Contains no nitrates or phosphates for safety.
Bittering agent added to prevent accidental ingestion.
Enhances engine longevity and cooling efficiency.
Average Rating out of 5:
Price Range: $35.94
26
1 gallon of advanced antifreeze/coolant.
Compatible with extended life coolants.
Prevents rust and corrosion in engines.
Designed for Asian vehicle brands.
Guaranteed up to 400,000 miles or 15 years.
50/50 prediluted for easy top-offs.
Contains bittering agent for safety.
Average Rating out of 5:
Price Range: $18.95
27
Unsurpassed freeze protection for your engine.
Outperforms industry standards in anti-boil performance.
Fights rust, scale, and corrosion effectively.
Safe for all cooling system metals, including aluminum.
Mix with clean water at specified ratios.
5-year/150,000-mile guarantee against freeze-ups.
Batch-tested for optimal performance and reliability.
Average Rating out of 5:
Price Range: $19.35
28
Reduces engine temperature effectively up to 25°F.
Improves heat transfer with advanced wetting agents.
Prevents overheating in various cooling systems.
Maximum corrosion protection for all metals.
Lubricates and protects water pump seals.
Compatible with all antifreeze types and colors.
Ideal for cars, trucks, motorcycles, and more.
Average Rating out of 5:
Price Range: $5.90
Material: Synthetic
29
Yellow-colored, ethylene glycol-based antifreeze/coolant.
Compatible with gasoline and diesel engines.
Year-round antifreeze and anti-boil protection.
50/50 mix provides freeze protection to -34°F.
Boiling protection up to 265°F for reliability.
Avoid mixing different coolant colors or types.
Contains bittering agent for safety purposes.
Average Rating out of 5:
Price Range: $25.98
Color: 4 positive