What are Car Coolants and Why is it Important? 5 Best Coolants for Your Vehicle

You must surely know that your car needs coolant. But, what does it exactly do and what are the types? No clue? Well, this article is all about car coolants – what is it, why is it used and the best car coolants for your car. Let’s get started. 

 

What is Car Coolant and Why is it Important?

Car coolant is a mixture of ethylene glycol and distilled water. Its primary function is to absorb the extreme heat that is generated by a running engine. It helps in preventing engine damage that can be caused by overheating of the components. 

The coolant is introduced to the engine block and its components. When the engine is running, the coolant will continuously circulate through the engine and then back to the radiator. The radiator cools the circulating coolant.

Without coolant, the car’s engine would reach temperatures beyond its tolerance levels after which it will seize. This will result in engine damage and engine overhaul. The engine metal can actually melt if the coolant isn’t kept in contact with certain places in the engine.

Coolant also helps in protecting metals and non-metallic parts of the engine and cooling circuit.

 

Types of Car Coolants

The type of car coolant you need depends upon the type of vehicle. Some vehicles may need a coolant with specialized additives, a coolant designed especially for high-car mileage, or a coolant formulated for specific manufacturers.  

Here are some of the main types of car coolants:

 

• Inorganic Additive Technology (IAT)

This type of coolant is always green coloured. They are also referred to as conventional low silicate due to the fast depletion of its additives. This type of coolant has to be usually changed after 32,000 kilometres or after two years.

 

• Organic Acid Technology (OAT)

Organic Acid Technology has no nitrite added. It is recommended these coolants are flushed out of the cooling system every 10 years. If contaminated with nitrite-containing coolants, their performance life will be reduced. 

 

• Hybrid Organic Acid Technology (HOAT)

These are a mix between IAT and OAT coolants and contain added silicates that increase aluminium protection. It also prevents corrosion and the additives prevent rusting. It is recommended to be flushed out every 5 years or 2.5 lakh kilometres. 

 

• Hybrid and Electrical Vehicle Cooling Systems

Vehicles with these coolants offer a greater travel range. They are mainly used in high electric vehicles as they offer propulsion when accelerating and charge the battery pack while decelerating. 

 

5 Best Coolants for Your Vehicle:

These are the best coolants available in the market, in no particular order. 

 

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• Shell Helix HX7 550031339

Price: Rs. 1,761

It works on both petrol and diesel engine and lubricates the engine for high and smooth performance. This coolant keeps the engine parts safely lubricated and ensures the vehicle consumes less fuel. 

It has a longer lifespan than mineral oils and its active cleansing technology keeps the engine clean. It does not require frequent changes 

Pros: 

1. It is compatible with several car models
2. Lowers the engine noise
3. Cleans the engine when you drive
4. Reduces requirement  for maintenance 

Cons: 

1. Expensive compared to other coolants
2. Comes only in one large size

 

• Motul Motocool Expert 103291

Price: Rs. 606

This is ready-to-use coolant and you can use it without any dilution. The coolant has anti-freeze properties, which means you won’t have to change it during the cooler weather. It has anti-corrosion properties and is amine-free, nitrite-free, and phosphate-free. It has a long life before you need to change it. 

Pros: 

1. Can be used for both bikes and cars
2. It is additive-free to prevent engine clogging
3. Its anti-freeze properties make it suitable for both hot and cold seasons
4. Has anti-corrosion properties

Cons:

1. Can only be used for petrol engines
2. You need to completely flush out the previous oil before refilling the engine

 

• Motul Inugel

Price: Rs. 940

This coolant has hybrid technology and is compatible with several coolant systems like IAT, HOAT, and OAT. It remains intact with time and is excellent for reducing excessive heat. It also prevents overhauling of the engine to high temperatures. 

The coolant does not require frequent changes and you do not have to add water since it comes diluted. It is ideal for both bikes and cars. 

Pros: 

1. Low on price
2. Has anti-corrosion properties and is low foaming
3. Lowers fuel consumption
4. Has high-temperature resistance
5. Lasts long

Cons:

1. Has better alternatives at a slightly higher price
2. Quality isn’t as great as other options 

 

• Bosch F002H23087079

Price: Rs. 260 (for the smallest size)

This is an extreme corrosion and rust resistance coolant. It has about 45% glycol content which helps in quick cooling of the engine and rapid heat transfer. This helps in improving the overall performance of the vehicle. The presence of anti-freeze makes it perfect for all-year-round use. 

Pros: 

1. Has higher alcohol content
2. Comes in different sizes for affordability 
3. Anti-freeze components
4. Is compatible with multiple types of machinery
5. Corrosion and rust-resistant 

Cons:

1. Requires dilution

 

• Euroils B07CMSZB25 Euro Turbo Cool

Price: Rs. 200

It mixes well with water and is an effective coolant. It has rust and corrosion-resistant properties that promote a long engine life. It works well in high temperatures and has freezing properties. This makes it perfect to use in any climate. 

Pros: 

1. It is suitable for massive engines. 
2. It is affordable 
3. Great lubricant for the engine parts
4. Heat resistance and anti-freezing

Cons:

1. Does not support gas engines. 

 

Choose the right coolant for your vehicle based on its type and requirements. The right type of coolant will enhance the performance of your vehicle by a great degree. 

 

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