Fel-Pro 35671 Engine Coolant Thermostat Housing Gasket - Lower

Fel-Pro 35671 Thermostat Housing Gasket

Fel-Pro 35671 is an engine coolant thermostat housing gasket built for lower thermostat housing applications on select Hyundai and Kia vehicles. It uses application-specific sealing materials to support a precise fit and dependable coolant sealing where the thermostat housing meets the engine.

Key Features

• Premium-grade thermostat housing gasket for lower cooling system service
• Thickness: 0.045 in. / 1.1 mm
• 2 mounting holes for application-specific alignment
• Engineered for 1996-2012 Hyundai Elantra lower thermostat housing applications
• Also fits select Kia Soul, Sportage, Spectra, Spectra5, and Hyundai Tucson and Tiburon lower applications
• Fel-Pro sealing materials are selected for vehicle-specific fitment and durable coolant sealing

Detailed Description

Fel-Pro 35671 is a premium engine coolant thermostat housing gasket for lower mounting locations on select Hyundai Elantra, Kia Soul, Kia Sportage, Hyundai Tucson, Kia Spectra, Kia Spectra5, and Hyundai Tiburon models. The gasket’s 0.045-inch (1.1 mm) thickness and 2-hole design support accurate housing alignment and a consistent seal at the coolant passage. This part number, 35671, is a direct-fit sealing solution for vehicles that require a lower thermostat housing gasket in the listed applications.

This part cross-references MAHLE C32031 for the same application.

What It Is Used For

• Coolant seepage at the thermostat housing
• Leakage around the lower thermostat housing joint
• Sealing issues after thermostat or housing service
• Coolant odor or visible residue near the housing area
• Maintenance on Hyundai Elantra and Kia Spectra-family cooling systems

Installation Notes and Tips

Verify the lower thermostat housing location before installation and compare the old gasket to the new Fel-Pro 35671 part. Clean both sealing surfaces thoroughly, remove old gasket material, and inspect the housing for warpage or corrosion before reassembly. Use the correct coolant and follow the vehicle service procedure for torque sequence and refill/bleed steps.

Quality Assurance

Fel-Pro gaskets are built with application-specific materials to deliver vehicle-level sealing performance and durability trusted by professional technicians. This gasket is made for direct replacement use in the listed Hyundai and Kia applications.