Order Hyundai Sonata Valve Cover Gasket for replacement. Check Hyundai Sonata Valve Cover Gasket cost. Get Hyundai Sonata Engine Valve Cover Gasket. Maintaining the valve cover gaskets of your Hyundai Sonata is crucial to prevent oil leaks and engine damage. Regularly check for signs of wear, such as oil buildup or a burnt smell, which may indicate a need for replacement. To extend the lifespan, ensure the engine is not overheating and the gasket surface is clean upon installation. When selecting a new gasket, opt for durable materials like silicone or rubber that can withstand high temperatures. Remember to choose a gasket compatible with your Sonata model for a seamless fit, enhancing the longevity and reliability of your engine.