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The flywheel ring gear is a toothed ring mounted on the flywheel, primarily responsible for starting the engine. During starting, the starter pinion engages with the teeth of the ring gear and transmits torque to the crankshaft. This sets the engine in motion until combustion is running independently. The flywheel ring gear must withstand high mechanical stresses, repeated engagement of the starter pinion, and significant temperature fluctuations over the long term. Crucial factors include the precise tooth geometry, the number of teeth, the inner diameter, the material hardness, and the precise fit on the flywheel. Damaged, worn, or broken teeth can lead to starting problems, grinding noises, or a complete failure of the starting process. At Autoteile Gossau, you will find flywheel ring gears in original and aftermarket quality for many vehicle models. Benefit from the lowest prices in Switzerland, fast delivery, and the option of in-store pickup with direct cash or card payment.