Motorcraft RG641 Thermostat Housing Seal

The Motorcraft RG641 is a genuine OEM thermostat housing seal designed specifically for Ford, Lincoln, and Mercury vehicles. This precision-engineered seal ensures a reliable, leak-free connection between the thermostat and housing assembly, preventing coolant loss and maintaining proper engine operating temperature.

Key Features:

• Genuine Motorcraft OEM part (Ford part number K2GZ8255B)
• Manufactured from premium materials for durability and heat resistance
• Engineered to Ford's rigorous quality and performance standards
• Delivers original equipment fit and function for easy installation
• Sold individually

Motorcraft seals undergo extensive laboratory and real-world testing to ensure they meet Ford engineering specifications. When replacing your thermostat or repairing a coolant leak, using genuine Motorcraft parts ensures proper fit, reliability, and long-lasting performance. This seal is designed to provide maximum sealing capability in extreme temperature conditions.