Genuine OEM Citroen Coolant Housing Gasket, part number 9816728880. This critical seal is designed to prevent leaks from the coolant housing, maintaining the closed integrity of the engine cooling system. It is positioned between the coolant housing and its cover. With dimensions of 0.159m length, 0.15m width, and 0.11m height, and weighing 0.227 kg, using a genuine OEM gasket ensures a perfect fit and superior material quality for long-lasting, leak-free performance under thermal stress.