This Genuine Tohatsu Marine Part is a top cowl sub assembly, designed specifically for Tohatsu outboard motors. It is a high-quality replacement part that ensures optimal performance and durability. The part number 3N4Q67640-3 indicates its compatibility with specific Tohatsu models. The top cowl sub assembly is an essential component that protects the engine and other internal parts from external elements, ensuring the smooth operation of your marine vessel. Trust this genuine Tohatsu part to maintain the reliability and longevity of your outboard motor.