Genuine OEM Volkswagen Water Pump Drive Gear, part number 070121319. This gear is responsible for transmitting rotational power from the engine to the water pump, ensuring continuous coolant circulation and preventing engine overheating. It is a critical component within the engine's cooling system. Manufactured from high-strength metal alloys, this drive gear is built for durability and resistance to wear. Genuine OEM gears are precisely machined to ensure smooth operation and longevity within the engine.