Genuine OEM Kia Crankshaft Washer, part number 2312632021. This critical engine component is designed to provide precise spacing and reduce friction for the crankshaft, which is vital for the smooth and efficient operation of the engine. It is typically installed within the crankshaft assembly, often functioning as a thrust washer to control axial movement. Made from durable, wear-resistant metal, this washer maintains correct clearances under high stress. Choosing a genuine OEM crankshaft washer ensures exact dimensions, material composition, and hardness, which are crucial for maintaining engine integrity and preventing premature wear.