Facet 7.8399S Engine Coolant Thermostat 82°C Metal Insert

The Facet 7.8399S is a precision-engineered engine coolant thermostat designed to regulate engine temperature by controlling the flow rate of coolant through the radiator. This metal thermostat insert maintains optimal engine operating temperature, ensuring a balance between heat introduced into the system and that released externally.

Key Specifications:

• Opening Temperature: 82°C (180°F)
• Diameter: 56mm (D1), 28mm (D2)
• Metal construction for enhanced durability
• Features integrated vent hole for proper bleeding
• Sold without gasket/seal (thermostat insert only)
• Made in Italy to OE equivalent standards

Benefits:

• Accelerates engine preheating to reduce warm-up time
• Prolongs engine life through proper temperature regulation
• Improves engine performance and reduces fuel consumption
• Helps lower emissions by maintaining optimal operating temperature
• Wax pellet sensing element provides reliable mechanical operation

OEM Cross-Reference Numbers: Compatible with Lexus 9091603125, 9091603075; Nissan 2120057J00, 2120057J15, 2120057J16; Toyota 9091603084, 9091603125

Facet is a leading European aftermarket manufacturer specializing in engine management components and thermostats for premium automotive brands. All Facet thermostats are manufactured using carefully selected materials to ensure OE-equivalent quality and reliability.