The NOS Evinrude Johnson Genuine Parts OEM Diaphragm & Cup Assembly 0437352 437352 is a high-quality boat part manufactured in the United States by Evinrude. This assembly includes a diaphragm and cup designed specifically for Evinrude Johnson engines, ensuring a perfect fit and optimal performance. With its genuine OEM status, this product guarantees durability and reliability for all your boating needs.