This is a genuine CORTECO oil filler cap, part number 220067H. It is designed to provide a reliable and secure seal for your vehicle's oil filler opening. A properly functioning oil filler cap is crucial for maintaining the integrity of your engine's lubrication system. It prevents dirt, debris, and moisture from entering the crankcase, which can lead to premature wear and damage. Ensure your engine stays protected and performs optimally with this high-quality replacement part from CORTECO. Its durable construction guarantees long-lasting performance and a tight fit.