This is a genuine CORTECO oil filler cap, part number 220081H. Designed to meet the specific requirements of your vehicle, it provides a reliable and secure seal for the 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. It also helps to contain engine oil vapors, contributing to cleaner emissions. CORTECO is known for its high-quality sealing solutions, and this oil filler cap is no exception. It is manufactured to exacting standards to ensure a perfect fit and long-lasting performance. Replacing a worn or damaged oil filler cap is a simple yet important maintenance task that can help protect your engine. Ensure you are using the correct part for your vehicle's make and model. This CORTECO 220081H oil filler cap is designed for a precise fit, offering peace of mind and reliable protection for your engine.