This Genuine Tohatsu Marine Part is a Cylinder Block and Crankcase Assembly with the part number 3BJB01100-1. It is a crucial component of the engine, responsible for housing the cylinders and the crankshaft. Made by Tohatsu, a trusted brand in the marine industry, this part ensures the proper functioning and durability of your marine engine. It is designed to fit perfectly and seamlessly integrate with other engine components, providing optimal performance and reliability. Whether you are replacing a worn-out part or performing an engine overhaul, this Genuine Tohatsu Marine Part is a high-quality choice that guarantees a smooth and efficient operation of your marine vessel.