Motorcraft RT1232 Engine Coolant Thermostat F - 190

The Motorcraft RT1232 is a high-quality engine coolant thermostat assembly designed to maintain optimal engine temperature and heater performance in Ford vehicles. This OEM-quality thermostat features a 190°F (88°C) operating temperature and is engineered to exact Ford specifications for reliable cooling system operation.

Key Features:

• Stainless steel or brass bridge and spring frame with channel construction for superior strength and rigidity
• Tapered-end stainless steel pistons with flexible elastomeric boots for consistent operation
• Streamlined Venturi nozzle design ensures maximum coolant flow throughout the engine
• Precision-engineered mounting flange for optimal fit and seal in the engine housing
• Stainless steel spring provides precise operating compression for accurate temperature control
• Rigorously tested including stroke, heat, pressure, and endurance testing to 10-year/150,000-mile equivalent

Motorcraft thermostats deliver OEM reliability and performance at an excellent value. Each unit is manufactured to meet strict Ford Motor Company quality standards and is backed by a 2-year, unlimited mileage warranty. This thermostat assembly is commonly used in Ford applications equipped with 5.4L and 5.8L engines, including various Mustang models from 2007-2022.