This TOPRAN oil filler cap, part number 117 104, is engineered to provide a tight and secure seal for your vehicle's engine oil system. A proper seal is crucial to prevent oil leaks and contamination, ensuring the longevity and optimal performance of your engine. Crafted with durable materials, this cap is built to withstand the demanding conditions under the hood. Its design ensures a straightforward installation process, making it a convenient replacement for a worn or damaged original cap. Trust TOPRAN for dependable engine components that meet stringent quality standards. Maintaining the integrity of your engine's oil system is vital for its overall health. This oil filler cap plays a simple yet important role in that maintenance. Replacing a faulty cap can prevent potential issues such as oil loss, dirt ingress, and improper engine lubrication.