Motorcraft RT-1194 Engine Coolant Thermostat F - 190

The Motorcraft RT-1194 is a premium OEM-quality engine coolant thermostat designed to maintain optimal engine operating temperature. This direct-fit replacement thermostat opens at 190 degrees Fahrenheit (88 degrees Celsius) to regulate coolant flow and ensure efficient engine performance.

Key Features:

• 190°F (88°C) opening temperature for precise temperature control
• Stainless steel or brass bridge and spring frame with channel construction for superior strength and rigidity
• Streamlined venturi nozzle design maximizes coolant flow efficiency
• Precision-engineered mounting flange ensures proper fitment and sealing in the thermostat housing
• High-strength brass heat motor housing with rulon seal, brass cover, and guide
• Stainless steel tapered-end pistons with flexible elastomeric boots
• Specially formulated expansive wax compound for reliable operation
• Heavy-duty construction ensures long service life

This thermostat replaces Ford OE part number 4L5Z8575B and is backed by a 12-month or 12,000-mile Motorcraft limited warranty. Sold individually as a direct-fit replacement component.