This hose carries engine coolant – that’s the stuff that keeps your engine from overheating – to the heater core inside your dashboard. The heater core is essentially a small radiator, and the hot coolant flowing through it warms the air that blows into the cabin of your vehicle. It also carries coolant from the heater core back to the engine to be re – cooled. So it’s a two – way street, really. Think of it as a vital part of your heating system. It connects the engine, where heat is generated, to the heater core, which provides warmth inside the car. Without good flow through this hose, you won’t get any heat. It’s part of a closed loop, making sure the engine stays cool while you stay warm. Well, these hoses are rubber, and rubber degrades over time. Heat, pressure, and just age take their toll. A failing hose can lead to coolant leaks, which can quickly cause your engine to overheat – that’s a big deal. You’ll notice if you have a leak—you might see puddles under the car, or smell coolant, which is kind of sweet. A bad hose can also cause a loss of heat inside the car. It acts like a shield protecting the engine from damage, and keeping you comfortable. You can find replacements pretty easily, and sites like Fixparts Online usually have a good selection. Replacing a water hose is a relatively straightforward repair, but it’s important to do it before a small leak turns into a major problem. Choose quality: Water Hose (MPN 1K0819374A) is backed by a 12-month warranty!

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• Genuine Volkswagen parts are designed specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using Volkswagen parts helps maintain your vehicle's original quality, safety features, and value. • Our parts are rigorously tested to meet Volkswagen’s high standards, giving you peace of mind and long-lasting reliability. • You'll find a wide range of parts and accessories, backed by Volkswagen's warranty and expert support. FixParts Online – Your Trusted Source for Quality Volkswagen Auto Parts.