Genuine OEM Kia Cylinder Block Adapter Gasket, part number 1751218000. This gasket is essential for creating a tight, leak-proof seal for an adapter mounted on the engine's cylinder block. It ensures that fluids and gases remain contained within their respective passages, preventing contamination and maintaining engine efficiency. Using a genuine OEM gasket guarantees the correct material composition and precise dimensions for a durable and reliable seal under demanding engine conditions.