Yamaha Piston Sub Assy - 6CJ-43810-01-00 The Yamaha Piston Sub Assy - 6CJ-43810-01-00 is a high-quality replacement part designed for Yamaha outboard motors. Crafted with precision and durability in mind, this piston sub assembly ensures optimal performance and reliability for your marine engine. It is engineered to meet Yamaha's stringent standards, providing a perfect fit and superior functionality. Whether you're performing routine maintenance or an emergency repair, the Yamaha Piston Sub Assy - 6CJ-43810-01-00 offers peace of mind with its robust construction and dependable performance. This essential component is designed to withstand the harsh marine environment, ensuring your outboard motor runs smoothly and efficiently. Keep your Yamaha outboard in top condition with this reliable and efficient piston sub assembly. This product has been superseded by: 6CJ-43810-01-00. 6CJ-43810-00-00 - TILT PISTON SUB ASSY