Replacement RM31800002 Engine Coolant Thermostat w/ Gasket, Without Housing

The Replacement RM31800002 is a direct-fit engine coolant thermostat designed to restore proper cooling system function. This thermostat comes complete with a gasket for a leak-free installation and is supplied without the housing, making it an ideal option when the existing housing is in serviceable condition. It is a quality aftermarket alternative to OEM part numbers 11531485847 and 11537596787.

Key Features:

• Direct OEM replacement thermostat for reliable cooling system performance
• Includes gasket for a complete, leak-free installation
• Supplied without housing — retains your existing housing
• 4-cylinder, 1.6L engine application
• Replaces OEM part numbers: 11531485847, 11537596787
• Precision-engineered to open and close at the correct temperature for optimal engine thermal management

Maintaining a properly functioning thermostat is critical to engine health. A faulty thermostat can cause overheating, poor fuel economy, and heater performance issues. This replacement unit ensures your cooling system regulates engine temperature accurately and efficiently.