These pipes basically move hot engine coolant from the engine where it’s heated, all the way to the heater core inside your dashboard. The heater core is like a mini radiator, and the hot coolant flowing through it warms the air that blows into the cabin. Then, another pipe returns the cooled coolant back to the engine to get heated up again. It’s a closed loop, keeping you warm when it’s cold out. They’re a critical part of your heating and cooling system, even though people don't always think about them. It’s not just about warmth; the heater system also helps defrost your windshield. These pipes connect everything—the engine, the heater core, and sometimes other components—making sure everything gets the coolant it needs. They carry the hot liquid, so they need to be durable and leak – free. Well, if one of these pipes fails, you’ll notice pretty quickly. You’ll likely see coolant leaking under your car, and your heater will either blow cold air, or not work at all. In the winter, that’s obviously a big problem. A failing pipe can also cause your engine to overheat because you're losing coolant. Think of these pipes as a vital connection. They aren’t glamorous, but they really act like a shield protecting you from the cold and keeping your engine running at the right temperature. You can find replacements for most vehicles at places like Fixparts Online, and honestly, replacing these before they fail is much cheaper and easier than dealing with an overheating engine or freezing in the winter. Next-gen performance: Pipe (MPN 7H1820741T) is backed by a 12-month warranty!

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• Get parts made specifically for your VW, ensuring a perfect fit and reliable performance. • Volkswagen parts are quality-tested to meet strict standards, so you can drive with confidence. • Using genuine VW parts helps maintain your vehicle’s value and original engineering. • We offer a wide selection of parts and accessories, so you can find exactly what you need to keep your VW running smoothly. Performance you can rely on – Volkswagen parts from FixParts Online.