Honda OEM Thermostat 19300-ZY3-023 | BF115-BF350 Outboard Thermostat

The Honda OEM Thermostat 19300-ZY3-023 is a genuine Honda cooling system component designed to regulate engine temperature and maintain proper cooling performance. This thermostat controls coolant flow through the engine, helping prevent overheating while ensuring optimal operating temperature. This thermostat is used across a wide range of Honda BF115 through BF350 outboard engines, making it a common service replacement during routine maintenance. Key Features Genuine Honda OEM Part Direct replacement for 19300-ZY3-023 Maintains proper engine temperature Helps prevent overheating Improves fuel efficiency Marine-grade corrosion resistant construction Common Symptoms of a Bad Thermostat Engine overheating Engine running too cold Poor fuel efficiency Temperature alarms Weak tell-tale stream Honda Outboard Fitment Honda BF115 Honda BF130 Honda BF135 Honda BF140 Honda BF150 Honda BF175 Honda BF200 Honda BF225 Honda BF350 Fits thermostat assemblies across multiple Honda marine engines including BF115-BF350 models.