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Honda 19301-RAA-A02 Genuine Thermostat Assembly

Honda 19301-RAA-A02 Genuine Thermostat Assembly

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✔ Genuine Honda 19301-RAA-A02 Thermostat Assembly — OEM Part
✔ Fitment: Honda Accord (2003–2012), Civic (2006–2011), CR-V (2007–2016), Element (2003–2011), Odyssey (2005–2017), Pilot (2005–2015), Acura TSX (2004–2014), MDX (2007–2013) — 2.4L K24 and 3.5L V6 engines
✔ Direct replacement for factory thermostat — no modifications required
✔ Manufactured to Honda’s original specifications — correct opening temperature (82°C) for optimal engine cooling
✔ Genuine OEM quality — includes gasket and housing assembly
✔ Essential component — regulates coolant flow and prevents engine overheating

 

Genuine Honda 19301-RAA-A02 Thermostat Assembly — for 2.4L K24 and 3.5L J35 Engines

Coolant leaks from the thermostat housing, engine overheating at idle or under load, a check engine light with coolant temperature codes, or a heater that takes too long to warm up — these are common signs that your thermostat may need replacement. The thermostat regulates coolant flow between the engine and the radiator, ensuring the engine operates at the correct temperature for optimal performance and fuel efficiency. A faulty thermostat can cause the engine to run too hot or too cold, leading to damage. Replacing it with this genuine Honda part restores proper temperature regulation and protects your engine.

This is a factory-original Honda thermostat assembly (OE part number 19301-RAA-A02), specifically designed for 2.4L K24 and 3.5L J35 engines. It includes the thermostat, gasket, and housing in a complete assembly. This is the same part sold at Honda dealerships.

 

When to Replace

• Coolant leaks from the thermostat housing
• Engine overheating at idle or under load
• Check engine light with coolant temperature codes
• A heater that takes too long to warm up
• The thermostat is stuck open or closed (can be tested with a scan tool)
• Visible damage or corrosion on the thermostat housing

Product Details & Highlights

• ✔ Genuine Honda OEM — not an aftermarket or Chinese replica
• ✔ Correct opening temperature (82°C) — ensures optimal engine cooling
• ✔ Complete assembly — includes thermostat, gasket, and housing
• ✔ Direct replacement — fits factory thermostat housing
• ✔ Manufactured to Honda’s strict quality standards
• ✔ Backed by Honda’s manufacturer warranty (valid through any authorized dealer)

Package Contents

Package Contents• 1 × Honda 19301-RAA-A02 thermostat assembly (genuine)

FAQ

FAQ

Is this a genuine Honda part or a copy?
This is 100% genuine Honda OEM — in original factory packaging with Honda part number printed on the label. It is not an aftermarket brand or a replica.

Does this fit my 2008 Honda Accord?
Yes — the 2008 Accord with the 2.4L K24 engine uses this thermostat. We recommend verifying with your VIN.

Does this fit my 2012 Honda CR-V?
Yes — the 2012 CR-V with the 2.4L K24 engine uses this thermostat. Please verify with your VIN.

Does this fit my 2010 Honda Odyssey?
Yes — the 2010 Odyssey with the 3.5L J35 engine uses this thermostat. Please verify with your VIN.

Can I reuse the old thermostat?
No — this thermostat is designed for one-time use. Once it has been removed, it should be replaced with a new one.

What is the torque spec for installation?
The thermostat housing bolts should be tightened to the factory specification. Refer to your vehicle's service manual for the exact torque.

Does this thermostat come with a new gasket?
Yes — the gasket is included in the assembly. No separate gasket is required.

Does this fit my 2005 Acura TSX?
Yes — the 2005 TSX with the 2.4L K24 engine uses this thermostat. Please verify with your VIN.

Does this fit my 2009 Honda Pilot?
Yes — the 2009 Pilot with the 3.5L J35 engine uses this thermostat. Please verify with your VIN.

Does this thermostat come with a warranty?
Yes — this thermostat is backed by Honda's manufacturer warranty. For claims, please contact your nearest Honda authorized dealer.

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