271664 Thermostat 90°C for Volvo S40 I (644) | OEM Cooling Part

🌡️ Volvo S40 I (644) Thermostat (90°C) – OEM 271664

Maintain stable engine temperature and protect your Volvo from overheating with the
COWIN OEM-Standard Thermostat. This unit (Ref: 271664)
opens at 90°C and is engineered specifically for the
Volvo S40 I (Chassis 644), ensuring reliable cooling system performance for both city and highway driving.

✅ Key Features & Benefits

• Standard Opening Temperature: 90°C for balanced cooling performance.
• Exact Fitment: Designed exclusively for Volvo S40 I (644).
• OEM Replacement: Direct fit for part number 271664.
• Durable Build: Engineered for high-mileage Scandinavian safety standards.

🚗 Vehicle Compatibility

⚙️ Technical Specifications

• Product: Thermostat
• Opening Temperature: 90 °C
• OEM Part Number: 271664
• Material: Reinforced Polymer / Metal Flange
• Quality: 100% Tested & Calibrated

🛠️ Installation Note

Volvo S40 I engines benefit from a complete cooling system flush during thermostat replacement.
Always replace the housing gasket and inspect the coolant expansion tank and hoses for age-related wear.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in European compact and executive vehicle cooling systems.
Every thermostat is factory-tested for accurate opening temperature and long-term durability.