Facet 7.8861 Engine Coolant Thermostat Housing Assembly

The Facet 7.8861 is a direct-fit engine coolant thermostat housing assembly engineered as an OE-quality replacement for select Chevrolet and General Motors 1.8L four-cylinder applications. This kit includes the thermostat, housing, temperature sensor, and sealing ring — everything needed for a complete cooling system service in one package.

Thermostats regulate engine temperatures by controlling coolant flow through the radiator, maintaining a balance between heat generated and heat dissipated. By regulating engine operating temperature precisely, the thermostat contributes to longer engine life, improved performance, and reduced fuel consumption and emissions.

Key Features:

• Opening Temperature: 105°C (221°F) for precise, responsive coolant flow control
• Complete Kit: Includes thermostat housing, thermostat, temperature sensor, and O-ring/gasket seal
• OE-Quality Construction: Designed, manufactured, and tested to meet or exceed original equipment standards
• Direct-Fit Replacement: No modifications required for listed applications
• European Engineering: Facet is a leading European aftermarket parts manufacturer specializing in engine management and cooling system components

OEM / Cross-Reference Part Numbers:

• General Motors / Chevrolet: 96984104, 55578419, 96980318, 55587349, 55597008, 55564891, 25199828, 25199829, 25193683
• Gates: TH611105G1 / TH445105G1
• Motorad: 725-105K
• Febi Bilstein: 39144
• Mahle: TM41105
• Denso: DTM105770
• Blue Print: ADG09254
• Meat & Doria: 92767 / 92767C

Facet products are designed and manufactured internally with external processes entrusted to selected partners who operate to Facet standards — ensuring every part delivers quality equal to or exceeding the original component.