Top 10 Best Vehicle Cooling System Additives

of November 2024
1
Best ChoiceBest Choice
Ultra1Plus Antifreeze Coolant - UltraCool Universal PREMIXED 50/50 - Ready to
ULTRA 1PLUS
ULTRA 1PLUS
10
Exceptional
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2
Best ValueBest Value
XADO Engine Oil additive - Protection for Engines - additive for wear
XADO
XADO
9.9
Exceptional
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3
Prestone Super Radiator Anti-Rust (AS170Y)
Prestone
Prestone
9.8
Exceptional
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4
OEMTOOLS 87045 No Spill Coolant Filling Funnel Kit with Coolant Tester, Near
OEMTOOLS
OEMTOOLS
9.7
Exceptional
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5
Subaru OEM Coolant System Conditioner - SOA635071 - 2 Pack
Subaru
Subaru
9.6
Exceptional
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6
OEMTOOLS 87009 No-Spill Coolant Funnel Kit, Near Universal Fitment,
OEMTOOLS
OEMTOOLS
9.5
Excellent
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7
Bar's Leaks J-100 DiFM Cooling System Treatment - 5 Grams, Tan
Bar's Leaks
Bar's Leaks
9.4
Excellent
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8
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 oz.
Royal Purple
Royal Purple
9.3
Excellent
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9
BG Universal Cooling System Sealer
BG
BG
9.2
Excellent
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10
OEMTOOLS 24444 Coolant System Refiller Kit, 5 Adapters | Eliminate Trapped Air,
OEMTOOLS
OEMTOOLS
9.1
Excellent
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11
Rislone Hy-per Cool Super Coolant, 16 oz.
Hy-Per Lube
Hy-Per Lube
9.0
Excellent
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12
PrimoChill Liquid Utopia - 15ml Bottle
PrimoChill
PrimoChill
8.9
Very Good
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About Vehicle Cooling System Additives

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Ultra1Plus Antifreeze Coolant - UltraCool Universal PREMIXED 50/50 - Ready to Use Coolant - Gallon

READY TO USE COOLANT UltraCool Universal Antifreeze Coolant PREMIXED 5050 is a convenient, ready-to-use coolant for all major vehicle makes and models, providing hassle-free maintenance.. UNIVERSAL FORMULA This coolant is formulated to meet ASTM D 3306 and ASTM D 4985 standards, making it suitable for both automotive and heavy-duty diesel engines, ensuring versatile usage.. SUPERIOR CORROSION PROTECTION With its low silicate concentration and phosphate-free formula, this coolant offers excellent corrosion protection and boil-over prevention for your engine's longevity.. DEFENDER OF ENGINE PARTS The high-quality defoamer system in this coolant safeguards hoses, plastic components, and gaskets, ensuring compatibility and preserving the integrity of your engine.. SUITABLE FOR NEW AND OLDER VEHICLES Designed for modern engine model cooling systems, this coolant is also compatible with cars and trucks from 2000 and older, making it a versatile option for various vehicles..

XADO Engine Oil additive - Protection for Engines - additive for wear Protection & rebuilding of Worn Metal Surfaces - Metal Conditioner w. Revitalizant 1Stage Maximum SUV (up to 10qt of Oil Capacity)

Engine Oil Additive for Cars, SUVs, and Trucks Up to 10 Qts Oil Volume This advanced formula restores the surfaces of engine parts, compensating for wear and tear, ensuring your engine runs smoothly and efficiently.. Engine Restore and Compression Surface Repair Ideal for off-road vehicles, this additive rejuvenates engine compression and repairs worn engine surfaces, enhancing overall performance and reliability.. Active Protection Against Overload and Overheating Extends the lifespan of your engine by providing robust protection against extreme conditions, preventing damage from overload and overheating.. Reduces Fuel Consumption and Prevents Wear This atomic metal conditioner lowers fuel consumption by optimizing engine efficiency and provides effective protection against wear, ensuring long-term engine health.. Compatible with Gasoline Engines and Contains Revitalizant Suitable for both diesel and gasoline engines, this motor oil additive includes a revitalizant that enhances engine oil properties for superior performance..

Prestone Super Radiator Anti-Rust (AS170Y)

OEMTOOLS 87045 No Spill Coolant Filling Funnel Kit with Coolant Tester, Near Universal Fit, Antifreeze Tester Automotive, Coolant Funnel Automotive, White

FILL WITHOUT SPILLS This cooling system refill kit's no spill funnel burps fluids and oils without the mess Our near universal radiator adapter creates a tight fit over the radiator cap for a no-leak environment The plunger ensures no overfills. COOLANT TESTER INCLUDED Our included coolant test gear is designed to measure your radiator coolant or cooling systems protection level Pull coolant fluid into the clear reservoir with the rubber bulb Use to check your system's fluid quality. MANY VERSATILE ADAPTERS Our near universal radiator adapter adds versatility to your coolant flush tool The adapters' gaskets prevent radiator fluid leakage while filling or flushing systems 45 degree adapters reach caps under shrouds.. MAINTAIN SYSTEMS HEALTH This coolant filling kit safely conducts an engine flush, radiator flush, and coolant refill Keep leaky oil or coolants from affecting your cars belts and other components with our no-leak funnel for radiator. SPECIFICATIONS This radiator flush kit's coolant reservoir comes with a stopper plunger 5 direct fit adapters with gaskets A long neck adapter and 2 45 degree adapters Easy to read coolant tester Long funnel can store coolant refill kit pieces.

Subaru OEM Coolant System Conditioner - SOA635071 - 2 Pack

OEMTOOLS 87009 No-Spill Coolant Funnel Kit, Near Universal Fitment, Translucent, 15 Piece Set, Cooling System Funnel Allows Access To Hard-To-Reach Radiators

SPILL FREE FUNNEL Our coolant filler kit funnels automotive fluids, such as radiator coolant and oil, cleanly into any vehicle the long burp funnel prevents spills and trapped air during refills after a coolant flush. ULTIMATE MULTI-VEHICLE FUNNEL KIT 4 cap adapters, 5 filler neck adapters, 3 extensions, a stopper, and a high quality transparent coolant funnel form a funnel kit more complete than others. NEAR UNIVERSAL FITMENT This spillfree funnel is ideal for an engine flush, a coolant pressure tester kit, even for a radiator flush Coolant refill kit features near-universal fitment for American and foreign vehicles. ADAPTERS INCLUDED With the exceptional number of included adapters, OEM TOOLS delivers a spill free funnel kit that works better than just any old radiator fill funnel or coolant filling kit with a coolant funnel adapter. PROTECT YOUR VEHICLE Funnel automotive fluids, or combine with antifreeze tester kit to ensure your system stays clean and functional Spill proof funnel kit includes a fluid stopper, which means no spills or air bubbles.

Bar's Leaks J-100 DiFM Cooling System Treatment - 5 Grams, Tan

Seals internal, external and coolant to oil leaks. Stops radiator tank seal leaks. Inhibits the formation of rust and scale. Helps control electrolysis and helps neutralize pH imbalance. Lubricates water pump seal.

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.

BG Universal Cooling System Sealer

From BG Products a Trusted Name in Automotive Additives and Solutions.

OEMTOOLS 24444 Coolant System Refiller Kit, 5 Adapters | Eliminate Trapped Air, and Test Radiator and Heating Core Lines for Leaks | Universal Adapters to Fit Most Radiator Necks and Coolant Reservoir

EASY COMPLETE COOLANT SYSTEM REFILLER Refills the entire cooling system including the Heater Core. HUGE TIME SAVER Eliminate time consuming bleeding and purging, and completely remove all trapped air from your cooling system Removing air through a radiator burp is much more time intensive. DISCOVER LEAKS Its easy to check for leaks while under vacuum if your vacuum level decreases while all valves are off, you have a leak in your system. WIDELY USEFUL Comes with five adapters that fit most common radiator necks and coolant reservoirs. SIMPLE TO USE All you need to use this coolant system vacuum kit is a shop air compressor The included venturi valve turns any air compressor input into a strong vacuum force.

Rislone Hy-per Cool Super Coolant, 16 oz.

REDUCES ENGINE TEMPERATURE Rislone Hy-per Cool Super Coolant contains New Technology wetting agents which lower the surface tension of the watercoolant mixture, allowing it to improve the heat transfer of your cooling system. PREVENTS OVERHEATING This will make your system dissipate more heat more efficiently, reducing engine temperatures by up to 25F helping to prevent overheating.. MAXIMUM CORROSION PROTECTION Super Coolant lubricates and protects water pump seals, and helps prevent corrosion of ALL metals commonly found in cooling systems, including Aluminum.. COMPATIBLE WITH ALL TYPES AND ALL COLORS OF ANTIFREEZE COOLANT Use in gasoline classic cars, hot rods, trucks, RVs, motorcycles, automotive, heavy duty, diesel, powersports ATV, off road, racing, towing and most anything else with a cooling system.. MADE IN THE USA.

PrimoChill Liquid Utopia - 15ml Bottle

Offers full line protection.. Can be used in new installrecommended or existing loops.. Bottle Size 15ml. Dosage Mix with 1 Gallon of DI or distilled water. Shelf Life 2 Years, Unopened. Not compatible with aluminum water cooling components..
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