The radiator's job is basically to get rid of heat. Engine combustion makes a lot of heat, and the coolant – that’s the green or orange fluid you sometimes see – circulates through the engine to absorb it. That hot coolant then comes up here to the radiator. The radiator has a bunch of really thin fins and tubes, and as air flows over them – from your car moving or from the cooling fan – it pulls the heat out of the coolant. Then that cooled coolant goes back to the engine to do it all over again. It's a continuous cycle. It’s a critical part of the engine’s cooling system. Think of it as the last line of defense against overheating. The water pump pushes the coolant, the thermostat controls the flow, but the radiator actually removes the heat. Without it, your engine would quickly get way too hot, causing serious damage. It really works hand – in – hand with everything else in that system. Honestly, overheating is a really quick way to ruin an engine. It can warp the cylinder head, blow a head gasket, or even seize up the whole thing. A failing radiator doesn’t always give you a huge, obvious sign right away, but you’ll notice if your temperature gauge starts creeping up higher than usual, especially when you’re sitting in traffic or working the engine hard. Sometimes you’ll also see coolant leaking, or steam coming from under the hood. Ignoring a radiator issue can turn a relatively inexpensive repair into a major, costly overhaul. We carry a good range of radiators, and you can sometimes find what you need quickly over at Fixparts Online. It's always better to address cooling system parts before they cause bigger problems. Confidence in every purchase: Radiator (MPN 1C0145803A) is covered by a 12-month warranty!

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• Audi parts are specifically designed for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your car’s value and original quality. • Audi parts are rigorously tested to meet high safety and durability standards, giving you peace of mind. • We offer a wide selection of parts and accessories, so you can find exactly what you need to keep your Audi running smoothly. FixParts Online – Your Trusted Source for Quality Audi Auto Parts.