Upgrade your Yamaha 225 or 350 HP 4-stroke engine with the Sierra International Impeller Insert Cup (18-3457). Designed specifically for late model engines, this high-quality insert cup ensures optimal water flow and cooling efficiency, enhancing your engine's performance. Crafted from durable materials, it withstands harsh marine environments, providing long-lasting reliability. Easy to install, this insert cup is a perfect fit for your Yamaha, helping to prevent overheating and prolonging the life of your engine. Keep your boat running smoothly with this essential component!
