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Facet 7.8397 Engine Coolant Thermostat
| Brand | Facet 7.8397 |
|---|---|
| Fits | Subaru · 75 vehicles |
Engine coolant thermostat. Regulates coolant flow to help maintain proper operating temperature.
Engine Coolant Thermostat for Subaru Applications
Facet 7.8397 is an engine coolant thermostat for select Subaru cooling system applications. It is listed with a gasket included and is cataloged for a wide range of Subaru Legacy, Outback, WRX STI, Impreza, Forester, and Baja models.
Key Features
- Engine coolant thermostat for Subaru Belts and Cooling applications
- Gasket included for the listed fitments
- Direct-fit coverage for multiple Subaru model years
- Facet part number 7.8397 for catalog matching
- Fits 2015 Subaru Legacy, N/A
- Fits 1996-2009 Subaru Legacy, N/A
- Fits 1990-1994 Subaru Legacy, N/A
- Fits 2015 Subaru Outback, N/A
- Fits 2000-2009 Subaru Outback, N/A
- Fits 2015 Subaru WRX STI, N/A
- Fits 1993-2014 Subaru Impreza, N/A
- Fits 1998-2013 Subaru Forester, N/A
- Fits 2003-2006 Subaru Baja, N/A
- Fits 1995 Subaru Legacy, N/A
Detailed Description
Facet 7.8397 is an engine coolant thermostat built for Subaru cooling system service across Legacy, Outback, WRX STI, Impreza, Forester, and Baja platforms. Use this thermostat when replacing a worn or temperature-control component in vehicles listed in the fitment data, including 2015 Subaru Legacy and Outback, 1993-2014 Subaru Impreza, and 1998-2013 Subaru Forester. The included gasket supports a proper seal at the thermostat housing during replacement.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Repair Uses
- Engine temperature runs too cool or too hot
- Delayed warm-up after cold starts
- Cooling system service on a Subaru Legacy, Outback, Impreza, Forester, or Baja
- Thermostat replacement during coolant leak diagnosis at the housing
- Restoring stable coolant flow control in the engine cooling circuit
Installation Notes and Tips
Verify the year, make, and model against the listed fitment before installation. Clean the thermostat housing sealing surface thoroughly and inspect the cooling system for contamination or damaged mating surfaces before reassembly. Follow the vehicle service manual for coolant refill and bleed procedures after installation.
Quality Assurance
Facet part 7.8397 is cataloged for the specified Subaru applications and supplied with a gasket for the listed fitments.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Subaru | Legacy | 3.6R Limited | — | — | N/A | Gasket included: Y |
| 2015 | Subaru | Outback | 3.6R Limited | — | — | N/A | Gasket included: Y |
| 2015 | Subaru | WRX STI | Limited | — | — | N/A | Gasket included: Y |
| 2014 | Subaru | Impreza | WRX | — | — | N/A | Gasket included: Y |
| 2013 | Subaru | Forester | XT Premium | — | — | N/A | Gasket included: Y |
| 2013 | Subaru | Impreza | WRX | — | — | N/A | Gasket included: Y |
| 2012 | Subaru | Forester | XT Premium | — | — | N/A | Gasket included: Y |
| 2012 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | Gasket included: Y |
| 2011 | Subaru | Forester | XT Premium | — | — | N/A | Gasket included: Y |
| 2011 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | Gasket included: Y |
| 2010 | Subaru | Forester | XT Premium | — | — | N/A | Gasket included: Y |
| 2010 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | Gasket included: Y |
| 2009 | Subaru | Forester | XT | — | — | N/A | Gasket included: Y |
| 2009 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | Gasket included: Y |
| 2009 | Subaru | Legacy | GT Limited | — | — | N/A | Gasket included: Y |
| 2009 | Subaru | Outback | XT Limited | — | — | N/A | Gasket included: Y |
| 2008 | Subaru | Forester | XT Limited | — | — | N/A | Gasket included: Y |
| 2008 | Subaru | Impreza | WRX | — | — | N/A | Gasket included: Y |
| 2008 | Subaru | Legacy | GT Limited | — | — | N/A | Gasket included: Y |
| 2008 | Subaru | Outback | XT Limited | — | — | N/A | Gasket included: Y |
| 2007 | Subaru | Forester | XT Limited | — | — | N/A | Gasket included: Y |
| 2007 | Subaru | Impreza | WRX | — | — | N/A | Gasket included: Y |
| 2007 | Subaru | Legacy | GT Limited | — | — | N/A | Gasket included: Y |
| 2007 | Subaru | Outback | XT Limited | — | — | N/A | Gasket included: Y |
| 2006 | Subaru | Baja | Turbo | — | — | N/A | Gasket included: Y |
| 2006 | Subaru | Forester | XT Limited | — | — | N/A | Gasket included: Y |
| 2006 | Subaru | Impreza | WRX | — | — | N/A | Gasket included: Y |
| 2006 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 2006 | Subaru | Outback | XT | — | — | N/A | Gasket included: Y |
| 2005 | Subaru | Baja | Turbo | — | — | N/A | Gasket included: Y |
| 2005 | Subaru | Forester | X | — | — | N/A | Gasket included: Y |
| 2005 | Subaru | Impreza | RS | — | — | N/A | Gasket included: Y |
| 2005 | Subaru | Legacy | Limited | — | — | N/A | Gasket included: Y |
| 2005 | Subaru | Outback | Limited | — | — | N/A | Gasket included: Y |
| 2004 | Subaru | Baja | Turbo | — | — | N/A | Gasket included: Y |
| 2004 | Subaru | Forester | X | — | — | N/A | Gasket included: Y |
| 2004 | Subaru | Impreza | Outback | — | — | N/A | Gasket included: Y |
| 2004 | Subaru | Legacy | GT | 2.5L | H4 | N/A | Gasket included: Y |
| 2004 | Subaru | Outback | Limited | 2.5L | H4 | N/A | Gasket included: Y |
| 2003 | Subaru | Baja | Base | — | — | N/A | Gasket included: Y |
| 2003 | Subaru | Forester | X | — | — | N/A | Gasket included: Y |
| 2003 | Subaru | Impreza | Outback | — | — | N/A | Gasket included: Y |
| 2003 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 2003 | Subaru | Outback | Limited | — | — | N/A | Gasket included: Y |
| 2002 | Subaru | Forester | S | — | — | N/A | Gasket included: Y |
| 2002 | Subaru | Impreza | Outback | — | — | N/A | Gasket included: Y |
| 2002 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 2002 | Subaru | Outback | Limited | — | — | N/A | Gasket included: Y |
| 2001 | Subaru | Forester | S | — | — | N/A | Gasket included: Y |
| 2001 | Subaru | Impreza | L | — | — | N/A | Gasket included: Y |
| 2001 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 2001 | Subaru | Outback | Limited | — | — | N/A | Gasket included: Y |
| 2000 | Subaru | Forester | S | — | — | N/A | Gasket included: Y |
| 2000 | Subaru | Impreza | L | — | — | N/A | Gasket included: Y |
| 2000 | Subaru | Legacy | GT | 2.5L | H4 | N/A | Gasket included: Y |
| 2000 | Subaru | Outback | Limited | 2.5L | H4 | N/A | Gasket included: Y |
| 1999 | Subaru | Forester | S | — | — | N/A | Gasket included: Y |
| 1999 | Subaru | Impreza | L | 2.2L | H4 | N/A | Gasket included: Y |
| 1999 | Subaru | Legacy | GT | 2.5L | H4 | N/A | Gasket included: Y |
| 1998 | Subaru | Forester | S | — | — | N/A | Gasket included: Y |
| 1998 | Subaru | Impreza | L | — | — | N/A | Gasket included: Y |
| 1998 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 1997 | Subaru | Impreza | L | 2.2L | H4 | N/A | Gasket included: Y |
| 1997 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 1996 | Subaru | Impreza | L | 1.8L | H4 | N/A | Gasket included: Y |
| 1996 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 1995 | Subaru | Impreza | Base | — | — | N/A | Gasket included: Y |
| 1995 | Subaru | Legacy | — | 2.2L | H4 | N/A | Engine coolant thermostat kit with gasket included. |
| 1994 | Subaru | Impreza | Base | — | — | N/A | Gasket included: Y |
| 1994 | Subaru | Legacy | GT | — | — | N/A | Gasket included: Y |
| 1993 | Subaru | Impreza | Base | — | — | N/A | Gasket included: Y |
| 1993 | Subaru | Legacy | LS | — | — | N/A | Gasket included: Y |
| 1992 | Subaru | Legacy | LS | — | — | N/A | Gasket included: Y |
| 1991 | Subaru | Legacy | LS | — | — | N/A | Gasket included: Y |
| 1990 | Subaru | Legacy | Base | — | — | N/A | Gasket included: Y |
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