Facet 7.8399S Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select Toyota and Lexus Models

The Facet 7.8399S engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Toyota Camry, Lexus ES350, and Toyota Highlander. This thermostat ensures efficient engine performance and helps prevent overheating or excessive fuel consumption.

• Compatible with multiple makes including Toyota, Lexus, Ford, Chevrolet, Mitsubishi, Pontiac, Scion
• Fits popular models such as Toyota Camry, 4Runner, Highlander, Lexus ES250, ES300, ES330, ES350
• Engine coolant thermostat designed to regulate engine temperature precisely
• Part number 7.8399S ensures exact replacement for specified vehicles
• Durable construction for consistent performance under varying driving conditions

Product Overview and Compatibility

The Facet 7.8399S engine coolant thermostat is engineered to fit a broad range of vehicles from Toyota, Lexus, Ford, Chevrolet, Mitsubishi, Pontiac, and Scion. It is compatible with models such as the Toyota Camry, Corolla, Tacoma, and Highlander, as well as Lexus ES250 through ES350 series. This thermostat plays a critical role in regulating the flow of coolant to maintain the engine’s ideal operating temperature, which is essential for engine efficiency and longevity.

Common Applications and Problem Resolution

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor fuel economy caused by incorrect engine temperature
• Reduces engine wear due to temperature fluctuations
• Addresses issues with engine temperature gauge inconsistencies
• Resolves heater core performance problems related to thermostat failure

Installation Notes and Tips

When installing the Facet 7.8399S thermostat, ensure the engine is cool before beginning work. Drain the coolant system to prevent spills and contamination. Verify the orientation of the thermostat matches the vehicle manufacturer’s specifications for proper operation. After installation, refill the cooling system and bleed air pockets to avoid overheating issues.

Quality Assurance and Warranty

Facet engine coolant thermostats are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details for part number 7.8399S are not provided, Facet products typically undergo rigorous quality control to ensure reliability and durability in automotive cooling systems.