Fel-Pro 35809 Engine Coolant Thermostat Housing Seal

Fel-Pro 35809 Thermostat Housing Seal

Fel-Pro 35809 is a premium engine coolant thermostat housing seal built for direct-fit sealing performance on a wide range of Toyota and Lexus 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 housing seal for cooling system service
• Application-specific sealing material for a precise fit
• Engine coolant seal for Toyota and Lexus V6 applications
• Direct replacement for service work on the thermostat housing
• Part number 35809 for easy identification

Detailed Description

Fel-Pro 35809 is an engine coolant thermostat housing seal engineered for vehicles that require a dependable sealing surface at the thermostat housing. Fel-Pro focuses on vehicle-specific sealing solutions, and this seal is made to support proper coolant containment in applications such as Toyota 4Runner, Camry, Tacoma, Tundra, and Lexus RX350, ES350, and IS350 models. This part cross-references MAHLE C32181 for the same application.

Use Fel-Pro 35809 when servicing the cooling system on compatible Toyota and Lexus vehicles where a thermostat housing seal is required. The premium construction helps deliver consistent sealing performance during thermostat housing replacement or coolant leak repair.

What It Helps Fix

• Coolant seepage at the thermostat housing
• Sealing issues after thermostat service
• Leak concerns from a worn or flattened housing seal
• Cooling system maintenance on high-mileage Toyota and Lexus engines

Installation Notes

• Clean the thermostat housing and mating surfaces before installation.
• Inspect the housing for corrosion, warping, or damage before reassembly.
• Verify the seal matches the original part number 35809 before installation.
• Follow the vehicle service manual for coolant refill and bleed procedures.

Quality Assurance

Fel-Pro sealing products are built around application-specific materials and vehicle-focused fitment. Part number 35809 is a premium sealing component for Toyota and Lexus cooling system service.

Compatible With

• Fits 2003-2024 Toyota 4Runner, N/A
• Fits 2007-2021 Lexus RX350, N/A
• Fits 2018-2021 Lexus RX350L, N/A
• Fits 2010-2021 Lexus RX450h, N/A
• Fits 2018-2021 Lexus RX450hL, N/A
• Fits 2007-2018 Lexus ES350, N/A
• Fits 2013-2018 Lexus GS450h, N/A
• Fits 2007-2011 Lexus GS450h, N/A
• Fits 2016-2018 Lexus IS300, N/A
• Fits 2006-2018 Lexus IS350, N/A
• Fits 2016-2018 Lexus RC300, N/A
• Fits 2015-2018 Lexus RC350, N/A
• Fits 2005-2018 Toyota Avalon, N/A
• Fits 2007-2017 Toyota Camry, N/A
• Fits 2008-2016 Toyota Highlander, N/A
• Fits 2007-2016 Toyota Sienna, N/A
• Fits 2009-2016 Toyota Venza, N/A
• Fits 2013-2015 Lexus GS350, N/A
• Fits 2007-2011 Lexus GS350, N/A
• Fits 2006-2015 Lexus IS250, N/A
• Fits 2005-2015 Toyota Tacoma, N/A
• Fits 2007-2014 Toyota FJ Cruiser, N/A
• Fits 2005-2014 Toyota Tundra, N/A
• Fits 2006-2012 Toyota RAV4, N/A
• Fits 2006 Lexus GS300, N/A