This is a high-quality oil filler cap manufactured by CORTECO, part number 023717P. It is designed to provide a reliable and secure seal for your vehicle's oil system. 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. CORTECO is known for its commitment to quality and durability, ensuring that this oil filler cap will meet or exceed original equipment specifications. Installation is straightforward, making it an easy replacement for a worn or missing cap.