Genuine Subaru Impreza STI Thermostat

Engine Coolant Thermostat

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Model

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

9 Thermostats found

View related parts
Subaru Impreza STI THERMOSTAT
Part Number: 21200AA072
$22.60 MSRP: $32.75
You Save: $10.15 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermo Assembly
- Replaces: 21200AA071, 21200AA070
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2014 Subaru Impreza STI | 2.5 GT, Outback, RS, STI, STI Limited, STI Special Edition, STI Sport, TS, WRX, WRX Sport, WRX TR, WRXSS | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THERMOSTAT Gasket Assembly
Part Number: 21210AA080
$18.40 MSRP: $26.67
You Save: $8.27 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermo And Gasket Assembly; Thermostat, Thermostat Unit
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2011 Subaru Impreza STI | 2.5i, 25i, Outback, Outback Sport | 2.5L H4
View related parts
Subaru Impreza STI THERMOSTAT Assembly
Part Number: 21200AA170
$17.25 MSRP: $25.00
You Save: $7.75 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermo Assembly; Thermostat, Thermostat Cover Bolt
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2011 Subaru Impreza STI | 2.5i, 25i, Outback, Outback Sport | 2.5L H4
View related parts
Subaru Impreza STI THERMOSTAT Cooling
Part Number: 73540FG010
$39.01 MSRP: $56.53
You Save: $17.52 (31%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Thermostat-Cooling
- Manufacturer Note: ZXL/582624-6520
- Replaced by: 73540FG011
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza STI | 2.5 GT, 2.5i, STI, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THMS THERMO Assembly
Part Number: 73540FG011
$39.01 MSRP: $56.53
You Save: $17.52 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat-Cooling; Refrigerant Temp Sensor, Temp Sensor
- Replaces: 73540FG010
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2014 Subaru Impreza STI | 2.5 GT, 2.5i, STI, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THERMOSTAT Gasket Assembly
Part Number: 21210AA030
$19.67 MSRP: $28.50
You Save: $8.83 (31%)
ADD TO CART
Product Specifications
- Other Name: Thermo And Gasket Assembly; Repair Kit, Thermostat, Thermostat Unit
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2014 Subaru Impreza STI | 2.5 GT, Outback, RS, STI, STI Limited, STI Special Edition, STI Sport, TS, WRX, WRX Sport, WRX TR, WRXSS | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THERMOSTAT Cooling
Part Number: 73540FG000
$40.99 MSRP: $59.40
You Save: $18.41 (31%)
ADD TO CART
Product Specifications
- Other Name: Thermostat-Cooling
- Manufacturer Note: ZXL/582552-1720
- Replaced by: 73540FJ000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2011 Subaru Impreza STI | 2.5i, Outback Sport, STI, STI Special Edition | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THMS THERMO Assembly
Part Number: 73540FJ000
$40.99 MSRP: $59.40
You Save: $18.41 (31%)
ADD TO CART
Product Specifications
- Other Name: Thermostat-Cooling; Temp Sensor
- Replaces: 73540FG001, 73540FG000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2014 Subaru Impreza STI | 2.5i, Outback Sport, STI, STI Special Edition | 2.5L H4, 2.5L H4 Turbo
View related parts
Subaru Impreza STI THMS THERMO Assembly
Part Number: 73540FG001
$40.99 MSRP: $59.40
You Save: $18.41 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat-Cooling
- Replaced by: 73540FJ000
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011-2012 Subaru Impreza STI | 2.5i, Outback Sport, STI Special Edition | 2.5L H4, 2.5L H4 Turbo

Subaru Impreza STI Thermostat

Our website stands as the go-to online destination for OEM Subaru Impreza STI Thermostat. With complete lines of genuine Subaru Impreza STI Thermostat available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.