This little guy takes the relatively low voltage from your car’s battery and steps it up to a much higher voltage – we're talking thousands of volts – to create the spark needed to ignite the fuel in your engine. It’s basically a voltage amplifier. It doesn’t start the car, it provides that crucial spark once the starter motor is turning the engine over. It also sometimes handles the spark for other things, like certain sensors. Think of it as a key part of your ignition system. Your battery gets everything going, but the booster is the thing that actually makes the bang happen inside the engine that gets you moving. It works closely with the ignition coil and spark plugs. If one part of that system is off, the engine won't run. It’s usually mounted near the engine, often on or near the intake manifold, so it's got easy access to those ignition components. Well, without a functioning booster, your car just won’t run. It’s that simple. If it’s failing, you’ll likely notice a misfire – the engine will run rough, maybe shake a bit. You might see a check engine light come on. Sometimes it’ll start fine when the engine’s cold, but then struggle or fail to start when it’s warm. A failing booster can also lead to poor fuel economy. It acts like a shield for the rest of the ignition system. If it’s weak, it puts stress on everything else, and things will start failing sooner. If you're noticing any of those symptoms, it’s worth checking this out. You can find replacements pretty easily online, Fixparts Online carries a good selection, and honestly replacing it is often much cheaper than dealing with the damage that can occur if you keep driving with a bad one. Easy returns and support: Booster (MPN 5K0035552B) has a 12-month warranty!

About Volkswagen

Volkswagen is a world-renowned automaker delivering innovative vehicles that combine performance, practicality, and cutting-edge design.

Why Choose Volkswagen?

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