Genuine OEM Volkswagen Bonnet Water Box Gasket, part number 3C0823723. This gasket is designed to seal the bonnet water box, preventing water and debris from entering critical areas of the engine bay. It is typically installed along the edge of the water box under the bonnet. Made from durable rubber, it measures approximately 1.45 meters in length. Using a genuine OEM gasket ensures the correct profile and material composition for a perfect seal, maintaining factory specifications for water protection and preventing potential damage to electrical or mechanical components.