FUSCH Engine Coolant Thermostat Housing for Honda Accord & Element 2.4L (2003–2011) — Direct-Fit, Metal/PPS Construction

This replacement thermostat housing assembly from FUSCH is engineered as a direct-fit alternative for select Honda 2.4L engines. Constructed from metal and high-temperature PPS polymer, and sealed with a nitrile rubber O-ring, the unit restores correct coolant routing and helps maintain stable operating temperature under normal driving conditions. It ships as a complete assembly to simplify swap-out and reduce installation time.

How does this assembly fit my Honda Accord or Element?

The FUSCH thermostat housing is designed to match factory mounting points and hose connections so it installs like the original part. It is compatible with Honda Accord 2.4L model years 2003–2007 and Honda Element 2.4L model years 2003–2011, using the listed OEM replacement numbers.

• Direct replacement for part numbers 19301-RAA-A02 and 19301RAAA02.
• Mounting bolt pattern and coolant passages sized to OEM dimensions.
• Works with factory hoses and clamps—no bracket modifications required.

What materials and components are used, and why do they matter?

FUSCH combines metal and PPS (polyphenylene sulfide) polymer to balance durability with heat resistance. The included nitrile rubber O-ring provides reliable sealing against coolant leaks while resisting oil and coolant exposure.

• Metal core for structural strength at the engine interface.
• PPS polymer for high-temperature resilience and dimensional stability.
• Nitrile O-ring to maintain a leak-resistant seal over time.

Is installation difficult and what’s included in the package?

Installation is straightforward for anyone familiar with basic cooling-system service; the assembly is preformed to fit and replaces the old housing without need for fabrication. The unit arrives ready to install so you can swap it in during routine coolant service or when replacing a leaking housing.

• Package contains one complete engine coolant thermostat housing assembly.
• No separate thermostat or extra gaskets required beyond the supplied O-ring.
• Typical tools needed: ratchet, sockets, coolant catch pan, and torque wrench.

How can this part help with engine temperature control?

The thermostat housing assembly houses the thermostat that controls coolant flow through the engine and radiator, helping the engine reach and maintain its designed operating temperature. Keeping temperatures within the intended range promotes efficient combustion and prevents overheating-related stress on components.

• Restores proper coolant flow path to help stabilize engine temperature.
• Reduces risk of local overheating by sealing coolant passages correctly.
• Helps maintain efficient engine operation when paired with a functioning thermostat.

Who is this for: This FUSCH thermostat housing assembly is aimed at owners and independent shops working on Honda Accord or Element vehicles with the 2.4L engine who need a reliable, direct-fit replacement for OEM part 19301-RAA-A02. It's suitable if you’re addressing leaks, replacing a damaged housing during routine maintenance, or restoring proper coolant routing without modifying engine components.