This is a genuine CORTECO oil filler cap, part number 220159S. Designed to provide a tight and reliable seal for your vehicle's engine oil reservoir, it is crucial for maintaining proper lubrication and preventing oil leaks. Crafted with durable materials, this cap is built to withstand the demanding conditions within the engine bay. Its precise fit ensures it integrates seamlessly with your vehicle's oil filler neck, offering peace of mind and consistent performance. Replacing a worn or damaged oil filler cap is a simple yet important maintenance task. This CORTECO cap offers a direct replacement solution, helping to maintain the integrity of your engine's oil system and protect it from contaminants.