Genuine OEM Hyundai Oil Pump Chain, part number 243222M800. This essential engine component is responsible for driving the oil pump, which circulates engine oil throughout the engine to lubricate moving parts and dissipate heat. It is located within the engine's timing system, connecting the crankshaft to the oil pump sprocket. The chain weighs approximately 0.44 kg. Choosing a genuine OEM oil pump chain ensures precise tooth engagement, correct tension, and durable material construction for reliable, long-term engine lubrication and performance.