Fel-Pro 35731 Engine Coolant Thermostat Seal

Fel-Pro 35731 Engine Coolant Thermostat Seal

Fel-Pro 35731 is a premium engine coolant thermostat seal built for direct-fit sealing performance in select Honda applications. It uses application-specific materials to help maintain a reliable coolant seal where the thermostat housing meets the engine.

Key Features

• Premium-grade thermostat seal for cooling system service
• Inside diameter: 2.100 in. (53.3 mm)
• Thickness: 0.205 in. (5.2 mm)
• 0 mounting holes for a simple seal-only design
• Engineered for 1993-1997 Honda Accord and 1993-2001 Honda Prelude applications
• Fel-Pro sealing technology focused on vehicle-specific fitment

Detailed Description

Fel-Pro 35731 is an engine coolant thermostat seal made for sealing the thermostat housing in select Honda Accord and Honda Prelude models. The seal’s 2.100-inch inside diameter and 0.205-inch thickness support proper seating and compression at the cooling system joint, helping maintain a dependable coolant barrier during thermostat service. This part number is a practical choice when replacing a worn thermostat seal on 1995-1997 Honda Accord or 1993-2001 Honda Prelude vehicles.

Fel-Pro designs its gaskets and seals with application-specific materials to deliver sealing solutions professionals trust for durability and fit. This part cross-references Honda 19305P13000 for the same application.

What It Helps Solve

• Coolant seepage at the thermostat housing
• Sealing issues after thermostat replacement
• Leak paths caused by a flattened or aged thermostat seal
• Cooling system service concerns on Honda Accord and Honda Prelude models
• Improper sealing from a worn or damaged coolant thermostat gasket

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the thermostat housing for corrosion, pitting, or distortion. Verify the seal seats evenly in the housing groove and confirm the replacement matches the original dimensions before reassembly. For best results, follow the vehicle service procedure for the specific Honda Accord or Honda Prelude application.

Quality Assurance

Fel-Pro gaskets are built around vehicle-specific sealing materials and fitment-focused engineering to support consistent sealing performance in professional repair work.