Genuine OEM Volkswagen flywheel, part number 0B2105266S. The flywheel serves as a rotational mass to smooth out engine pulses and provides the friction surface for the clutch assembly to engage. It is mounted to the rear of the crankshaft within the engine assembly. This component is precision-balanced to ensure vibration-free operation and long service life. Genuine OEM parts are essential for flywheels to ensure the correct rotational inertia and surface finish required for optimal clutch engagement and transmission longevity.