The Yamaha Outboard 6E5-21770-03-00 Oil Tank Cap is a genuine replacement part designed specifically for Yamaha outboard engines. Made by the manufacturer with the part number 6E5217700300, this oil tank cap ensures a secure and leak-proof seal for your engine's oil tank. It is a reliable and high-quality component that is essential for maintaining the proper functioning of your boat's engine. Good for reuse-threads look fine-no cracks. BIN0434