This is a genuine VAG coolant reservoir, part number 3WA121407C. It is designed to precisely fit VAG vehicles, ensuring the integrity of your cooling system. The reservoir plays a crucial role in maintaining the correct coolant level, allowing for expansion and contraction due to temperature changes. A properly functioning reservoir prevents leaks and ensures your engine stays within optimal operating temperatures. Replacing a damaged or leaking reservoir is essential for preventing engine overheating and potential costly repairs. Trust in genuine VAG parts for optimal performance and longevity.
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