This Genuine Tohatsu Marine Part is an extension housing designed specifically for Tohatsu outboard motors. It is a high-quality replacement part that ensures optimal performance and durability. The part number 3C8Q61110-0 indicates its compatibility with specific Tohatsu models. The extension housing is an essential component that connects the engine to the propeller, allowing for smooth and efficient power transfer. With this genuine Tohatsu part, you can trust in its reliability and precision engineering to keep your marine engine running smoothly on the water.