The STIHL 42384001202 flywheel is a genuine OEM replacement part designed for specific STIHL BR and SR series blowers. This essential component plays a critical role in the engine's ignition system and overall operation, providing rotational inertia and housing the magnets for the ignition coil. Manufactured to STIHL's rigorous quality standards, it ensures precise fitment and reliable performance, maintaining the efficiency and longevity of your equipment. This flywheel is compatible with models such as BR350, BR430, BR450, SR430, and SR450.