Description
Genuine Yanmar Thermostat – Professional Marine Engine Component
OEM thermostat designed for Yanmar marine diesel engines. Precision-engineered temperature control valve that regulates coolant flow to maintain optimal engine operating temperature, ensuring efficient combustion and preventing overheating or overcooling.
Technical Specifications:
- Part Number: 105582-49200
- Application: Yanmar marine diesel engines
- Type: Wax-element thermostat
- Function: Coolant temperature regulation
Key Features:
- Genuine Yanmar OEM part for guaranteed fitment
- Precision-calibrated opening temperature for optimal engine performance
- Marine-grade construction for corrosion resistance
- Reliable temperature control for efficient combustion
- Direct OEM replacement for dependable operation
- Prevents engine overheating and overcooling
- Designed for long service life in marine environments
Applications:
Compatible with Yanmar marine diesel engines. Essential cooling system component that regulates coolant flow based on engine temperature, maintaining optimal operating temperature for efficient combustion, reduced emissions, and extended engine life.
Performance Benefits:
Precision-calibrated opening temperature ensures engine reaches and maintains optimal operating temperature quickly. Proper temperature control improves fuel efficiency, reduces wear, and prevents overheating damage or cold-running inefficiency.
Maintenance Note:
Replace thermostat according to Yanmar’s recommended service intervals or if engine runs too hot or too cold. Always replace the thermostat gasket during installation. Test in hot water before installation to verify proper operation.
Quality Assurance:
Backed by Yanmar’s reputation for precision engineering and reliability in marine propulsion systems. Professional-grade thermostat for commercial and recreational vessels.






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