Coolant is basically the fluid that runs through your engine to keep it from overheating. It absorbs heat from the engine block, radiator, and other components, then carries that heat away to be dissipated. It also has additives to prevent corrosion and lubricate the water pump. It’s not just water, you know? It’s a specifically formulated mix of water, antifreeze, and other stuff designed to work best in your engine. Think of it as your engine’s circulatory system when it comes to temperature control. The coolant travels through passages within the engine, picking up heat. It then goes to the radiator, where the heat is released into the air. Then it cycles back to the engine, and the process repeats. It's a closed – loop system, and the coolant is the working fluid that keeps everything running at the right temperature. It also protects parts like the water pump seal. Well, if your engine overheats, things get really bad, really fast. You can warp the cylinder head, blow a gasket, or even completely seize up the engine. Coolant acts like a shield against that kind of damage. You’ll notice if your coolant level gets low because your temperature gauge will start creeping up. Regular maintenance – flushing and refilling the coolant – is one of the best things you can do to extend the life of your engine. You can find the correct type for your vehicle on sites like Fixparts Online, and it’s usually pretty straightforward to change it yourself, or any mechanic can handle it. Just make sure you use the right stuff for your car. Proven track record: Coolant (MPN 06A121111) is backed by a 12-month warranty!

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