This is a genuine CORTECO oil filler cap, part number 220053H. It is designed to provide a secure and leak-free seal for your vehicle's engine oil reservoir. Properly sealing the oil filler cap is crucial for maintaining engine health. It prevents dirt, debris, and moisture from entering the engine oil, which can lead to premature wear and damage. A faulty or missing cap can also result in oil leaks, leading to low oil levels and potential engine overheating. CORTECO is a trusted brand in the automotive industry, known for producing high-quality sealing solutions. This oil filler cap is manufactured to meet or exceed original equipment specifications, ensuring a perfect fit and reliable performance.