Suzuki Water Pressure Valve 17660-99E01 | Poppet Valve

The Suzuki OEM Water Pressure Valve 17660-99E01 (also known as the poppet valve) is a critical cooling system component used in the thermostat / water pressure regulation system. This valve regulates cooling water pressure at higher RPMs to ensure proper engine temperature and prevent overheating. When the poppet valve opens, additional cooling water flows through the engine, protecting internal components during high-speed operation. This genuine Suzuki component is used across a very wide range of Suzuki outboards from 25HP through 300HP, making it a common maintenance and replacement item. Key Features Genuine Suzuki OEM Part Also known as Poppet Valve Maintains proper cooling water pressure Prevents overheating at higher RPM Direct OEM replacement Marine-grade construction Common Symptoms of a Bad Poppet Valve Overheating at high RPM Weak water pressure Inconsistent cooling High engine temperature alarms