Yamaha - Piston sub assy - 6T4-43810-00-00Yamaha Piston Sub Assembly, SKU: 6T4 43810 00 00 Enhance the performance and reliability of your Yamaha outboard motor with this premium piston sub assembly. Designed to ensure smooth and efficient operation, this assembly plays a crucial role in maintaining optimal engine performance. Constructed from high quality materials, it offers exceptional durability and resistance to wear, making it a dependable choice for a variety of marine environments.