Facet 7.8444 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Lexus, Toyota, and Scion Vehicles

The Facet 7.8444 engine coolant thermostat is designed to maintain optimal engine temperature for a range of Lexus, Toyota, and Scion models. This thermostat helps regulate coolant flow, ensuring efficient engine performance and preventing overheating or excessive cooling.

• Compatible with Lexus, Toyota, and Scion models including Avalon, Camry, Corolla, Highlander, RAV4, RX series, and more
• Part number 7.8444 ensures precise fit and function
• Engine coolant thermostat designed for reliable temperature regulation
• Durable construction for consistent performance under varying conditions
• Direct replacement for original equipment thermostats

Product Details and Compatibility

The Facet 7.8444 engine coolant thermostat is engineered to meet the specifications required by multiple Lexus, Toyota, and Scion vehicles. It is compatible with popular models such as the Lexus ES300, ES330, ES350, RX300, RX330, RX350, RX400h, RX450h, and LS400. Toyota models like Avalon, Camry, Celica, Corolla, Highlander, Matrix, MR2 Spyder, Sienna, Solara, Venza, and Scion models including tC, xB, and xD are also supported. This thermostat plays a critical role in maintaining the engine’s operating temperature by controlling coolant flow between the engine and radiator.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant circulation
• Helps avoid poor fuel economy caused by incorrect engine temperature
• Reduces risk of engine damage due to thermal stress
• Eliminates temperature fluctuations that can affect engine performance
• Resolves heater core issues related to thermostat failure

Installation Notes and Tips

When installing the Facet 7.8444 thermostat, ensure the engine is cool before beginning work. Drain the coolant system to prevent spills and contamination. Remove the old thermostat housing carefully and clean the mounting surface to ensure a proper seal. Install the new thermostat with the correct orientation as specified by the vehicle manufacturer. Refill the cooling system with the appropriate coolant and bleed air pockets to avoid overheating issues.

Quality Assurance and Warranty

Facet engine coolant thermostats are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 7.8444 are not provided, Facet products typically undergo rigorous quality control to ensure reliable operation. For warranty information, consult the product documentation or contact the distributor.