These screws basically hold everything together. Specifically, they secure the flywheel to the crankshaft. They’re designed to resist a lot of twisting force—that’s the engine actually making power. They’re tightened to a specific torque, meaning a specific amount of twisting force when tightened, to make sure everything stays put. This little screw plays a big part in how smoothly your engine runs. The flywheel is crucial for keeping the engine rotating consistently between power strokes. If these screws fail, or loosen, it affects how well the flywheel holds its position. It’s right there on the engine, obviously a structural component, and keeps things lined up correctly. You’ll notice if one of these is gone or loose with a pretty rough idle, and even bigger problems as you try to accelerate. These aren’t things you want to mess around with. If one of these comes loose while you’re driving, it can cause serious damage to the flywheel, the crankshaft, or even other parts of the engine. It’s like a shield protecting those expensive internal components from flying apart. They’re made to a pretty high standard, but they do wear and can stretch over time. If you're doing engine work, it's always smart to replace these just to be safe. You can find a good selection of them at places like Fixparts Online, and they’re relatively inexpensive compared to the damage a failed one can cause. Invest in longevity: Hex Screw (MPN N90206103) comes with 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.