VAG 5Q0121407AA Coolant Reservoir

This is a genuine VAG coolant reservoir, part number 5Q0121407AA. It is designed to maintain the correct coolant level within your vehicle's cooling system, which is crucial for preventing overheating and ensuring optimal engine performance. The reservoir also plays a role in managing system pressure. As the coolant heats up and expands, the reservoir provides the necessary space to accommodate this expansion, preventing excessive pressure buildup that could damage other cooling system components. Replacing a damaged or leaking coolant reservoir with this OEM part will help maintain the integrity of your cooling system and prevent potential engine damage. It is manufactured to VAG's high standards for durability and fitment. Ensure your vehicle's cooling system is functioning correctly by using genuine VAG replacement parts. This reservoir is a direct fit for compatible VAG models.

• Genuine VAG Part
• Part Number: 5Q0121407AA
• Maintains proper coolant level
• Helps manage cooling system pressure
• Prevents overheating
• Durable construction
• Direct fit for compatible VAG vehicles
• Ensures optimal engine performance