Genuine OEM Volkswagen Radiator Gasket Profile, part number 5WA121331D. This specialized gasket is designed to create a secure seal for the radiator, specifically on the left side of the assembly. It plays a vital role in the cooling system by preventing coolant leaks and ensuring efficient heat exchange. Made from a durable, flexible material, this lightweight component (approx. 0.004 kg) maintains its integrity under varying temperatures and pressures. Using a genuine OEM gasket guarantees the correct material composition and precise dimensions for a perfect seal, crucial for maintaining optimal engine operating temperatures.