This is a genuine CORTECO oil filler cap, part number 220146S. Designed to provide a secure and leak-free seal for your vehicle's engine oil system. A properly functioning oil filler cap is crucial for maintaining the integrity of your engine. It prevents dirt, debris, and moisture from entering the crankcase, which can lead to premature wear and damage. It also ensures that oil does not escape, preventing potential environmental hazards and engine damage due to low oil levels. CORTECO is known for producing high-quality sealing solutions, and this oil filler cap is no exception. It is manufactured to meet or exceed original equipment specifications, ensuring a perfect fit and reliable performance. Replacing a worn or damaged oil filler cap is a simple yet important maintenance task that can help prolong the life of your engine. Ensure your engine is protected with this durable and effective oil filler cap from CORTECO. Its robust construction guarantees long-lasting service under various operating conditions.