Honda genuine thermostat Honda Accord Prelude 19301-P13-305

Honda coolant thermostat 19301-P13-305 – H-series engines

The 19301-P13-305 is a genuine Honda coolant thermostat used as factory equipment in many H-series engines. It is manufactured in Japan and ensures correct operating temperature, stable engine performance and proper cooperation with the original Honda cooling system.

Application – H-series Honda engines

This thermostat is designed for Honda H-series petrol engines and is suitable for the following engine codes: H22A, H22A1, H22A2, H22A3, H22A4, H22A5, H22A7, H22A8. It maintains the correct coolant flow between the engine and radiator, helping to keep the engine within the optimal temperature range during everyday driving and dynamic use.

Application – Honda Accord and Prelude

The thermostat 19301-P13-305 is used in the following Honda models:

• Honda Accord 4D (1995–1997) – USA market
• Honda Accord 4D (1996–1997) – Japan market
• Honda Accord Type R (1999–2002)
• Honda Prelude (1992–2001) with H22 engines

The part 19301-P13-305 replaces earlier Honda OEM thermostat numbers 19301-P13-010 and 19301-P13-000, and can be used as their direct replacement wherever these numbers were originally specified.

Why choose the genuine Honda thermostat 19301-P13-305?

• Original Honda design and calibration for H-series engines,
• Reliable temperature control and stable engine warm-up,
• Direct-fit replacement for factory thermostat – no modifications needed,
• Made in Japan with high-quality materials and long service life,
• Compatible with the original Honda housing and cooling system components.

FAQ – frequently asked questions about Honda thermostat 19301-P13-305

1. Does 19301-P13-305 fit my engine?
It is intended for Honda H-series engines (mainly H22A variants) used in Accord and Prelude models listed above. For full confirmation, we always recommend checking the part number by VIN in the Honda catalog.

2. Can I use 19301-P13-305 instead of 19301-P13-010 or 19301-P13-000?
Yes. 19301-P13-305 replaces these earlier Honda OEM part numbers and can be used as their direct replacement.

3. Why is a genuine thermostat recommended for H-series engines?
H-series engines are sensitive to operating temperature. The genuine Honda thermostat ensures the correct opening temperature and flow characteristics, which helps protect the engine from overheating or running too cold and supports long-term reliability.