Autopart International 1601-291009 Engine Coolant Thermostat

The Autopart International 1601-291009 is a direct-fit engine coolant thermostat designed to regulate engine operating temperature within the optimal range. By controlling the flow of coolant between the engine block and the radiator, the thermostat ensures the engine reaches proper operating temperature quickly and maintains it during all driving conditions.

Key Features:

• Direct-fit replacement for OE thermostat — no modifications required
• Precision-calibrated wax element for accurate opening and closing temperatures
• Manufactured to OEM specifications for reliable sealing and consistent performance
• Helps prevent engine overheating and premature warm-up issues
• Corrosion-resistant construction for long service life
• Restores proper heater output and fuel efficiency

A faulty thermostat can cause engine overheating, poor fuel economy, slow cabin heat, or a check engine light. The Autopart International 1601-291009 provides a cost-effective, quality replacement to restore your cooling system to factory performance.