Calorstat TH7134.78J Engine Coolant Thermostat

Engine Coolant Thermostat for Honda and Acura

Calorstat TH7134.78J is an engine coolant thermostat with a plastic housing, rubber gasket seal, and a 172°F opening temperature. It is built for direct replacement service on select Honda Civic, Honda CR-V, Acura TSX, and Acura ILX applications.

Key Features

• Engine coolant thermostat with integrated plastic housing
• Black plastic construction with 3 bolt holes
• Gasket included with rubber seal material
• Start-to-open temperature: 172°F / 78°C
• Height between flanges: 1.9
• Cross-references Gates 34048 and Stant 48747 for the same application
• Part number: TH7134.78J

Detailed Description

Calorstat TH7134.78J is an OE-style engine coolant thermostat assembly with a plastic housing and sealed gasket design. The 172°F opening temperature matches the listed application requirements for select Honda and Acura cooling systems, helping maintain proper coolant flow control once the engine reaches operating temperature. This part number, TH7134.78J, is listed for 2004-2008 Acura TSX, 2006-2015 Honda Civic, 2007-2014 Honda CR-V, and 2013-2015 Acura ILX.

For buyers searching for a Honda Civic thermostat housing, Acura TSX coolant thermostat, or Honda CR-V engine coolant thermostat replacement, this Calorstat unit provides the specified housing style, seal type, and temperature rating in one assembly. The black plastic housing and gasket seal support a clean replacement for the original cooling system component.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations caused by a worn thermostat assembly
• Coolant seepage at the thermostat housing seal area
• Cooling system service on a Honda Civic, Honda CR-V, Acura TSX, or Acura ILX
• Replacement of a thermostat housing with a matching 172°F opening temperature

Installation Notes and Tips

Verify the housing style, bolt-hole count, and opening temperature before installation. Inspect the mating surface, coolant passages, and surrounding hoses for wear or contamination, and replace coolant according to the vehicle service procedure after installation. Confirm fitment by year, make, and model before ordering TH7134.78J.

Quality Assurance

Calorstat cooling system components are built to meet application-specific replacement needs for temperature control and sealing. This thermostat assembly is specified with a gasket and seal material already identified in the product data for accurate service selection.

Compatible Vehicles

• Fits 2013-2015 Acura ILX, N/A
• Fits 2006-2015 Honda Civic, N/A
• Fits 2007-2014 Honda CR-V, N/A
• Fits 2004-2008 Acura TSX, N/A