The KOHLER 252685 Original Heat Exchanger Gasket (O-Ring) is a high-quality replacement part for marine generators. Made from top-grade materials, this gasket guarantees optimal performance and durability. It's designed to fit perfectly with the 11-20EFOZ(D) model, ensuring a seamless installation process. Regular maintenance is essential for peak performance, and this gasket meets the manufacturer's specifications. Choose genuine KOHLER parts for reliable and flawless cooling in your marine generator.