Calorstat TH6736.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Subaru Cooling Systems

Calorstat TH6736.82J is an engine coolant thermostat built for Subaru cooling system service where accurate temperature control matters. It opens at 180°F (82°C) and includes a gasket seal for a direct replacement installation on listed Legacy, Outback, Tribeca, Forester, Impreza, and B9 Tribeca applications.

Key Features

• Engine coolant thermostat with standard design
• Start-to-open temperature: 180°F / 82°C
• Off-set valve seat design for the specified application
• Gasket included with rubber seal material
• Sealing flange outside diameter: 2.2 in.
• Height between flanges: 1.33 in.
• Calorstat TH6736.82J replacement part

Detailed Product Information

Calorstat TH6736.82J is specified for Subaru cooling system applications that require an 82°C thermostat opening point. The thermostat helps regulate coolant flow through the engine so operating temperature stays within the intended range. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Common search terms for this part include Subaru Legacy thermostat 180°F, Subaru Outback engine coolant thermostat, and Calorstat TH6736.82J OEM-style replacement.

Compatible With Subaru Legacy, Subaru Outback, Subaru Tribeca, Subaru Forester, Subaru Impreza, and Subaru B9 Tribeca applications listed below. The part number TH6736.82J is also referenced by 21200AA170 and 21210AA080 interchange numbers.

Vehicle Fitment

• Fits 2013-2014 Subaru Legacy, N/A, Opening Temp: 82 C / 180 F
• Fits 2005-2009 Subaru Legacy, N/A, Opening Temp: 82 C / 180 F
• Fits 2013-2014 Subaru Outback, N/A, Opening Temp: 82 C / 180 F
• Fits 2008-2014 Subaru Tribeca, N/A, Opening Temp: 82 C / 180 F
• Fits 2010-2012 Subaru Legacy, N/A, OEM Recommended
• Fits 2010-2012 Subaru Outback, N/A, OEM Recommended
• Fits 2005-2011 Subaru Forester, N/A, Opening Temp: 82 C / 180 F
• Fits 2005-2011 Subaru Impreza, N/A, Opening Temp: 82 C / 180 F
• Fits 2009 Subaru Outback, N/A, To 04/30/2009
• Fits 2008 Subaru Outback, N/A, To 04/30/2008
• Fits 2006-2007 Subaru B9 Tribeca, N/A, Opening Temp: 82 C / 180 F
• Fits 2007 Subaru Outback, N/A, To 03/31/2007

Installation Notes and Tips

• Confirm the engine build date and cooling system specification before installation.
• Inspect the thermostat housing and sealing surfaces for corrosion, pitting, or old gasket residue.
• Replace coolant and bleed air from the system after thermostat service.
• Verify the thermostat orientation and valve-seat alignment during installation.
• Use the included gasket seal to ensure proper sealing at the housing flange.

Quality Assurance

Calorstat TH6736.82J is a specification-based replacement thermostat built around the listed Subaru fitments and temperature rating. The design details, including the off-set valve seat and included gasket seal, support accurate service matching for the applications shown.