This Genuine Tohatsu Marine Part is a Cylinder Block and Crankcase Assembly with the part number 3MRB01100-0. It is a crucial component of the engine that houses the cylinders and crankshaft. Designed specifically for Tohatsu outboard motors, this part ensures optimal performance and durability. Made with high-quality materials and precision engineering, it guarantees a perfect fit and reliable operation. Whether you need to replace a worn-out cylinder block and crankcase assembly or perform engine repairs, this genuine Tohatsu part is the ideal choice for maintaining the performance and longevity of your marine engine.