Fel-Pro 10676 Engine Coolant Thermostat Housing Gasket

Fel-Pro 10676 Thermostat Housing Gasket

Fel-Pro 10676 is an engine coolant thermostat housing gasket built for sealing the thermostat housing to the engine cooling system. It uses application-specific materials and a performance-grade construction to support a tight, reliable seal on classic Ford and Mercury applications.

Key Features

• Engine coolant thermostat housing gasket for cooling system service
• Application-specific sealing material for a precise fit
• Inside diameter: 2.220 in. / 56.3 mm
• Thickness: 0.020 in. / 0.5 mm
• Performance grade type
• Mounting hole quantity: 2

Detailed Description

Fel-Pro 10676 is made for thermostat housing sealing where coolant control and leak prevention matter. The gasket dimensions, including the 2.220-inch inside diameter and thin 0.020-inch profile, support a proper seal at the housing interface without adding unnecessary thickness. This part number is a direct service choice for vehicles such as the Ford F-100, Ford F-250, Ford F-350, Mercury Colony Park, and Ford Thunderbird across the listed model years. Fel-Pro 10676 also cross-references MAHLE C25907 for the same application.

What It Helps Address

• Coolant seepage at the thermostat housing
• Sealing issues after thermostat service
• Temperature control problems caused by a leaking housing joint
• Maintenance on classic Ford and Mercury cooling systems
• Repeat leaks from a worn or compressed gasket surface

Installation Notes and Tips

Clean both mating surfaces before installation and remove old gasket material, corrosion, and coolant residue. Verify the housing and engine flange are flat and free of damage before installing Fel-Pro 10676. Use the correct thermostat housing fastener torque for the application to help maintain an even seal.

Quality Assurance

Fel-Pro gaskets are built around vehicle-specific sealing materials and are engineered to deliver dependable sealing performance for professional repair work.