Aisin THH-012 Engine Coolant Thermostat

Brand Aisin THH-012
Fits Honda · 2 vehicles

OE manufactured. Exact form, fit, and function for a direct replacement.

Engine coolant thermostat. Helps regulate coolant flow for consistent engine temperature.

Cross-references Four Seasons 57328, Four Seasons 73280 and Motorad 732-180 for the same application. See all 8.

$66.09Free shipping
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Aisin THH-012 Engine Coolant Thermostat

The Aisin THH-012 engine coolant thermostat is an OE-manufactured replacement built for exact form, fit, and function. It is made for 2016-2017 Honda Accord applications and supports proper coolant flow control in the engine cooling system.

Key Features

  • OE-manufactured for exact form, fit, and function
  • Direct replacement for the factory engine coolant thermostat
  • Fits 2016-2017 Honda Accord
  • Part number THH-012 for easy identification
  • Cross-references Four Seasons 57328 and Motorad 732-180 for the same application

Product Details

This Aisin thermostat is built to match the original equipment design used on the Honda Accord cooling system. It helps regulate engine coolant temperature by opening and closing at the proper operating range, supporting stable engine temperature control in daily driving and stop-and-go conditions. If you are searching for a 2016 Honda Accord engine coolant thermostat or a 2017 Honda Accord thermostat replacement, THH-012 is the direct-fit part number to reference.

Common Issues It May Address

  • Engine running too cool or too hot
  • Temperature gauge fluctuations
  • Delayed warm-up after cold starts
  • Cooling system performance concerns tied to thermostat operation

Installation Notes

Verify the vehicle year and engine application before installation. Drain coolant as needed, inspect the thermostat housing sealing surfaces, and refill the cooling system with the correct coolant after service. Bleed air from the system according to Honda service procedures to help prevent trapped air and temperature irregularities.

Quality Assurance

Aisin manufactures this thermostat to OE specifications for the listed Honda Accord fitment, with attention to original equipment dimensions and operating characteristics.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2017HondaAccord2.4LL4N/A—
2016HondaAccord2.4LL4N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 57328Four Seasons — 73280Motorad — 732-18019310-5A2-A11502689732180P73280THH012