This little guy basically takes the alternating current – AC – that your alternator makes and turns it into direct current – DC – that your car needs to run everything. Think of it like a one – way street for electricity. It allows current to flow in one direction only, smoothing out the power and preventing voltage spikes. It’s a pretty simple part, but it’s crucial for a stable electrical system. It’s situated right in the alternator assembly, acting as a rectifier. The alternator spins and creates this AC electricity, but your radio, lights, computer, everything runs on DC. This diode is the key component that changes it over. It's part of a larger set of diodes inside the alternator, working together. If this diode fails, you’ll notice if your battery isn’t charging properly. Your warning lights might come on, things like your radio or interior lights might dim or flicker, and eventually your car could even stall. A bad diode can also overload the electrical system, potentially damaging other components. They don't usually give a lot of warning, so it's good to address it when you suspect a problem. You can often find replacements pretty easily. Fixparts Online has a good selection of these and other alternator parts if you're looking for one. Ignoring it can lead to bigger, more expensive issues down the road. Buy risk-free: Driving Di (MPN 068105323D) is covered by a 12-month warranty!

About Volkswagen

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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 high standards, so you can drive with confidence. • Using genuine VW parts helps maintain your vehicle’s value. • We have a wide selection of parts, from everyday maintenance items to more complex components. Performance you can rely on – Volkswagen parts from FixParts Online.