This CORTECO oil filler cap, part number 220078H, is designed to provide a reliable seal for your engine's oil reservoir. Maintaining a proper seal is crucial for preventing oil leaks and contamination, which can lead to engine damage. Crafted with quality materials, this cap ensures durability and a long service life. It is engineered to meet or exceed original equipment specifications, guaranteeing a precise fit and function. Replacing a worn or damaged oil filler cap is a simple yet important maintenance task to protect your engine's health.