This part basically takes the gearbox oil – that’s the fluid that keeps everything inside the transmission running smoothly – and cools it down. It's a small radiator, really. Oil flows through it, and as air passes over the fins, it reduces the oil’s temperature. It's a heat exchanger, taking the heat from the oil and releasing it into the air. It’s positioned in the cooling system, usually up front where there’s good airflow. It works alongside your radiator. Gearbox oil gets really hot, especially with heavy use like towing or spirited driving. The cooler is part of the circuit, sitting between the gearbox and sometimes a dedicated cooler fan, or it might integrate with the main radiator’s cooling path. It's a critical component in maintaining proper transmission temperature. Well, heat is the enemy of pretty much everything mechanical. Especially moving parts like those inside your gearbox. If that oil gets too hot, it breaks down. It loses its lubricating properties and starts to cause wear and tear on gears, bearings, everything inside. Over time, that leads to expensive repairs or even complete transmission failure. Think of the oil cooler as a shield protecting your gearbox. You’ll notice if it’s failing because your transmission might start slipping, shifting roughly, or even overheat—sometimes a warning light will come on. You can find replacements easily enough; a good place to check is Fixparts Online, they usually have a good selection. Keeping that oil cool dramatically extends the life of your transmission, plain and simple. Built to last: Oil Cooler (MPN 3C0317037B) comes with a 12-month warranty for your assurance!

About Volkswagen

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Why Choose Volkswagen?

• 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. Volkswagen – trusted quality, available at FixParts Online!