This hose is pretty straightforward, it's part of your vehicle’s heating system. It carries hot engine coolant from the engine to the heater core. The heater core is like a small radiator for the air inside your cabin. As the hot coolant flows through it, it warms the air blowing from your vents. It also carries coolant back from the heater core to the engine to be reheated, making it a complete loop. Think of it as a vital link in getting warm air to you when it’s cold outside. It’s one of several hoses that make up the entire heating system. It connects the engine to that heater core inside the dash. Without it functioning properly, you won’t get heat. It's usually made of reinforced rubber, designed to withstand both heat and pressure from the coolant. It’s important because a failing hose will eventually leak. That leak can drop your coolant level, and low coolant can quickly lead to overheating, which is a serious engine problem. You’ll notice if a hose starts to go bad – often you’ll smell coolant, or see a greenish or orange – ish puddle under the car. Sometimes the hose gets soft and spongy to the touch before it actually springs a leak. It acts like a shield protecting the rest of the system from leaks, and eventually, these hoses wear out over time. We carry a good selection of these at Fixparts Online, and replacing them proactively is a lot cheaper than fixing an overheating engine. Your trust matters: Hose (MPN 13541730683) comes with a 12-month warranty!

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