Vehicle Set: Click here to shop 2003 Subaru Outback parts.

2003 Subaru Outback Thermostats

Looking for aftermarket parts to modify or upgrade your 2003 Subaru Outback with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories.

Thermostat Parts:

Only show in-stock parts

Gates Thermostats

IN STOCK 34012 Gates 02-14 Subaru WRX Thermostat 2000-2004 Subaru Outback Base 2000-2005 Subaru Outback Limited 2001-2003 Subaru Outback VDC 2001-2004 Subaru Outback L.L. Bean 2002-2004 Subaru Outback H6 $45.64 Details

Mishimoto Thermostats

IN STOCK MMTS-WRX-01 The Mishimoto racing thermostat for the 2001+ Subaru Impreza WRX and STI will promote greater cooling efficiency throughout your engine.The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warme... Mishimoto 01-07 Subaru WRX / WRX STi 68 Degree Celsius Racing Thermostat 2001-2003 Subaru Outback VDC 2001-2004 Subaru Outback Base / L.L. Bean 2001-2005 Subaru Outback Limited 2002-2004 Subaru Outback H6 $83.28 Details