When it comes to keeping your car running smoothly, most drivers focus on oil—but there’s another hero under the hood that often gets overlooked: engine coolant. Choosing the right coolant isn’t just about preventing your engine from overheating; it’s about protecting every moving part, stopping rust, and even improving fuel efficiency.
At Fubex Lubricants, we offer high-quality coolant for all types of engines. Enjoy fast shipping, a price match guarantee, and no-questions-asked returns. Need help choosing the right oil? Call us at +971 50 544 9614 — our friendly team is ready to assist!
A bad choice can lead to costly repairs, while the right formula keeps your engine performing like new. Curious how a simple fluid can make such a huge difference?
Awais I., Sales Director, says, “Choosing the right coolant keeps your engine cool, protected, and performing at its best in every condition.”
In this guide, we’ll dive into why picking the perfect automotive coolant matters for engine performance, so you can keep your vehicle safe, efficient, and ready for the road—no matter the weather.
What Does Engine Coolant Do and Why Is It Important For Your Vehicle?
Your car’s engine works hard to make your vehicle move. While it runs, it creates a lot of heat. If this heat isn’t controlled, the engine can get too hot and start to wear out or even melt some parts. Fixing that kind of damage can cost a lot of money.
That’s where engine coolant comes in. Engine coolant helps keep your engine at the right temperature. It stops the engine from overheating in the summer and prevents it from freezing in the winter. In simple words, coolant protects your engine so it can run smoothly and last longer.
What Does Engine Coolant Do?
Engine coolant, also called antifreeze, helps protect your engine from getting too hot. But that’s not its only job. Coolant also helps lubricate the engine’s moving parts, keeping them from wearing out or breaking. It protects important parts like the head gasket, water pump, cylinder, and piston timing.
When your engine burns fuel, it creates energy—and a lot of heat. The coolant’s job is to move that heat away from the engine so it doesn’t overheat. It also keeps the engine at the right temperature, whether it’s hot or cold outside.
Using the right type and mix of coolant gives your vehicle several benefits:
- It stops the coolant from freezing in cold weather.
- It prevents the coolant from boiling in hot weather.
- It protects the engine from rust and corrosion.
- It prevents clogs caused by rust buildup.
- It reduces wear on rubber and plastic parts.
- It helps stop electrical corrosion inside the engine.
In short, coolant keeps your engine safe, clean, and running smoothly all year long.
How Does Engine Coolant Work?
Before engine coolant starts working inside your car’s engine, it’s stored in a small tank near the radiator. When the engine runs, the water pump pushes the coolant through the engine. As it moves, the coolant absorbs heat from the engine to keep it from getting too hot.
Next, the hot coolant flows to the radiator, where the heat is released. A fan blows air through the radiator to help cool it down. The thermostat controls the temperature, making sure the coolant stays at the right level of warmth.
Once the coolant cools down, it flows back to the engine to repeat the cycle again. This process keeps your engine at a safe and steady temperature so it can run smoothly.
Important Note: Always use the right type of coolant for your vehicle. Using the wrong kind or the wrong mixture can cause rust, corrosion, and damage to engine parts. Over time, this can lead to serious engine problems or even complete failure.
How Long Can You Run an Engine Without Coolant?
How long your engine can run without coolant depends on your car’s make and model. But here’s the truth — running your engine without coolant is never a good idea. Coolant keeps your engine from overheating and helps it work properly. Without it, your engine can overheat in just a few minutes, which can cause serious and expensive damage.
To keep your engine healthy, always follow your car manufacturer’s instructions for when to change the coolant. Most vehicles need a coolant change every 80,000 kilometers, but some newer engines may need it sooner, around 16,000 kilometers.
When it’s time for a change, make sure to drain out the old coolant before adding new fluid. This helps remove dirt and rust so your system stays clean and free from clogs. Regular maintenance keeps your engine running smoothly and safely.
Why Is Engine Cooling Important?
Engine coolant is very important because it keeps your car’s engine safe from too much heat or freezing cold. It also helps your car use fuel more efficiently. Engines are built to work perfectly under the right conditions, but if they get too hot or too cold, the parts can wear out fast and cause expensive damage.
Why Do We Need Engine Coolant?
Keeps the Engine at the Right Temperature
The main job of coolant is to stop the engine from overheating. When your engine burns fuel, it creates a lot of heat. The coolant absorbs this heat as it flows through the engine, then moves to the radiator, where it cools down before repeating the cycle. This keeps the engine’s temperature just right, even on very hot days.
In cold weather, coolant that contains antifreeze stops the fluids inside your engine from freezing. If engine fluids freeze, they expand and can break parts like the radiator and hoses. Coolant helps prevent this, allowing everything to keep flowing smoothly.
If your engine gets too hot, it can damage parts like the engine block, cylinder head, head gasket, pistons, and fuel system. These parts can crack or melt, and oil may start leaking. Overheating can also reduce engine power and make your car use more fuel.
Prevents Rust and Corrosion
Over time, water and dirt inside the engine can cause rust and corrosion, especially in parts like the radiator and water pump. This buildup can block the cooling system, making it less effective and leading to breakdowns.
Good-quality coolants contain special additives that protect metal parts from rust. This helps your cooling system last longer and keeps your engine running smoothly.
Improves Fuel Efficiency
Engines work best within a specific temperature range. If the engine is too hot, parts expand and create more friction. If it’s too cold, the fluids move slowly and make the engine work harder.
Both situations waste fuel and reduce performance. With the right coolant mixture, your engine stays at its ideal temperature—giving you better fuel mileage, smoother driving, and fewer repair costs.
Engine coolant plays a big role in keeping your car safe and running smoothly. It protects your engine from getting too hot or freezing in the cold. It also helps your car use fuel more efficiently. Engines are built to work at the perfect temperature, but when they get too hot or too cold, parts can wear out quickly and lead to expensive repairs or even breakdowns.
Why Do We Need Engine Coolant?
Keeps the Engine Temperature Just Right
The main job of coolant is to stop the engine from overheating. When your engine burns fuel, it produces a lot of heat. The coolant absorbs this heat and carries it to the radiator, where it cools down before going back to the engine to repeat the process. This cycle keeps the temperature under control, even on very hot days.
In cold weather, coolant that contains antifreeze stops the engine’s fluids from freezing. When liquids freeze, they expand and can damage important parts like the radiator and hoses. Antifreeze keeps the fluids moving smoothly, so the engine works properly in all seasons.
If the engine overheats, it can damage parts like the engine block, cylinder head, head gasket, pistons, and fuel system. These parts can crack, melt, or leak oil. Overheating can also make the engine lose power and waste more fuel. Fixing this kind of damage can cost a lot or even require replacing the whole engine.
Prevents Rust and Corrosion
Over time, water and dirt inside the engine can cause rust and corrosion in parts like the radiator and water pump. This buildup can block the cooling system, making the engine work harder and less efficiently.
Modern coolants contain protective additives that stop metal parts from rusting. This keeps your cooling system clean and helps your engine last longer.
Improves Fuel Efficiency
Engines work best within a certain temperature range. If the engine is too hot, moving parts expand and cause more friction. If it’s too cold, the fluids become thick and slow, which makes the engine work harder.
Both extremes cause your car to use more fuel and lose power. With the right coolant mix, your engine stays at its ideal temperature—giving you better fuel efficiency, smoother performance, and saving you money on fuel and repairs.
Top 4 Coolant by Fubex: Must-Have Picks for 2025
Looking for the best way to keep your engine running smooth and protected all year? Discover the Top 4 Coolants by Fubex for 2025 and find out which formulas are must-haves for every vehicle.
Fubex Glacia 50% Coolant
The Fubex Glacia 50% Coolant is a customer favorite—and it’s easy to see why. This ready-to-use formula delivers powerful protection against rust, wear, and freezing, keeping your engine running smoothly in any condition.
Perfect for cars, trucks, and even boats, it works with all types of engines and cooling systems. With long-lasting performance and no need for extra additives, Glacia 50% makes engine care simple and reliable.
Fubex Glacia 100% Coolant
One of our best-selling engine coolants is the Fubex Glacia 100% Coolant, and for good reason. This premium formula keeps your engine cool, clean, and protected in every season. It prevents overheating in extreme heat and stops rust from damaging engine parts.
Trusted by drivers and recommended by experts, Fubex Glacia delivers long-lasting performance for smooth, worry-free driving.
Fubex Glacia 60% Coolant
The Fubex Glacia 60% Coolant takes the top spot for all-around engine protection. Designed for cars, trucks, and even boats, it guards against rust, buildup, and freezing. Its advanced formula keeps your cooling system clean while extending the life of seals and rubber parts. Tough, reliable, and long-lasting—Glacia 60% keeps every engine performing at its best.
Fubex Glacia 33% Coolant
Rounding out our lineup of top-performing coolants is the Fubex Glacia 33% Coolant. This ready-to-use formula keeps your engine cool and protects it from rust and damage. Perfect for cars, trucks, off-road vehicles, and even boats, it works in all types of engines. With long-lasting protection for seals, rubber parts, and hard-water systems, Glacia 33% helps your engine run smoothly for years.
Final Takeaways
In conclusion, choosing the right automotive coolant is key to keeping your engine healthy and running smoothly. It protects against overheating, rust, and corrosion while improving fuel efficiency. Using quality coolants like Fubex Glacia helps prevent costly repairs and ensures your vehicle performs reliably in any condition. Give your engine the protection it deserves.
FAQs
Q1: Is it recommended to use coolant?
Yes, most vehicles need engine coolant. While a car can technically run without it, this is not recommended. Using coolant is important to keep your engine safe, prevent overheating, and ensure your vehicle runs properly, which is why most manufacturers advise always using it.
Q2: What are the signs of low coolant?
Early signs of low coolant include a dashboard warning light, a high temperature gauge, or weak heat from the cabin vents. If levels drop further, you might see steam, hear bubbling sounds, or notice a sweet chemical smell—indicating your engine is starting to overheat.
Editor-at-Large
A passionate writer in the lubricant industry, Awais Iqbal has been covering oils, greases, and industrial fluids since the start of his career. At 25, he’s already written for blogs, catalogs, and brand guides across the UAE. Awais’s insights help companies connect with their audience, and his clear, helpful writing style is trusted by brands in the region.
