Oil Pump Assembly - 66M-13300-00-00. The Oil Pump Assembly - 66M-13300-00-00 is a critical component for maintaining the peak performance and longevity of your Yamaha outboard engine. This high-quality oil pump assembly ensures a consistent and reliable flow of oil, which is essential for reducing friction and preventing wear on vital engine parts. Made from premium materials, it offers exceptional durability and long-lasting performance, making it a dependable choice for your engine's maintenance and upkeep.. Designed to meet Yamaha's stringent standards, the Oil Pump Assembly - 66M-13300-00-00 guarantees seamless compatibility and easy installation with specific Yamaha outboard models. As a genuine Yamaha part, it ensures a perfect fit and optimal functionality, helping your engine run smoothly and efficiently. Trust this oil pump assembly to deliver the consistent oil flow needed to protect your engine and maintain its peak performance, ensuring reliable and efficient operation for