Genuine OEM Kia Crankshaft Bearing Set, part number 210202G040. This set of bearing shells is crucial for supporting the crankshaft's rotation within the engine block. They provide a low-friction surface, allowing the crankshaft to spin smoothly and efficiently, which is vital for engine performance and longevity. The set weighs approximately 0.232 kg and measures 0.15m x 0.075m x 0.03m. Genuine OEM bearings are manufactured to precise factory tolerances, ensuring optimal clearance and vibration-free service life, which is critical for the long-term health of the engine.