Genuine Subaru Thermostats for Optimal Engine Performance

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Introduction

A thermostat is a critical component of your Subaru’s cooling system, regulating engine temperature to ensure optimal performance and fuel efficiency. It controls the flow of coolant between the engine and radiator, preventing overheating in hot conditions and maintaining warmth in cold weather. Replacing a failing thermostat with an OEM Subaru thermostat guarantees proper fit, durability, and precise temperature regulation.

Key Features & Benefits of Subaru Thermostats

  • OEM Fit & Compatibility – Engineered specifically for Subaru models, ensuring precise temperature control.

  • Efficient Engine Warm-Up & Cooling – Helps maintain ideal operating temperatures for peak performance.

  • High-Quality Materials – Made from corrosion-resistant metals for long-lasting reliability.

  • Prevents Overheating & Cold-Start Issues – Ensures proper coolant circulation under all driving conditions.

  • Seamless Integration with Subaru’s Cooling System – Works flawlessly with radiators, hoses, and water pumps.

Signs You Need to Replace Your Subaru Thermostat

A failing thermostat can cause serious engine issues if not replaced promptly. Common warning signs include:

  • Overheating engine, especially in traffic or on long drives.

  • Fluctuating temperature gauge, indicating inconsistent cooling.

  • Poor heater performance, as the thermostat controls engine heat levels.

  • Coolant leaks near the thermostat housing.

Tips for Choosing the Right Thermostat for Your Subaru

  • Verify the correct temperature rating for your Subaru model (Forester, Outback, WRX, Impreza, Crosstrek).

  • Choose an OEM Subaru thermostat for guaranteed compatibility and long-lasting performance.

  • Replace the thermostat gasket during installation to ensure a proper seal and prevent leaks.

Find the Best Thermostat for Your Subaru

Maintain engine efficiency and prevent overheating with an OEM Subaru thermostat. Whether you need a replacement for routine maintenance or an upgrade for high-performance driving, we have the perfect fit for your vehicle.

👉 Shop Subaru Thermostats Now

21210AA160 - : Thermostat for Subaru Image

Thermostat

Subaru 21210AA160
Legacy. With turbo.  Thermostat - Subaru (21210AA160) The Thermostat - Subaru (21210AA160) is a genuine OEM engine...
$23.32
MSRP $33.50
Save $10.18
30.4% Off
21210AA120 - : Thermostat for Subaru Image

Thermostat

Subaru 21210AA120
Legacy. Without turbo. Outback.
$18.56
MSRP $26.67
Save $8.11
30.4% Off
21200AA080 - : Thermostat for Subaru Image

Thermostat

Subaru 21200AA080
All models. Xt6. XT coupe. 2.7l. Thermostat - Subaru (21200AA080) The Thermostat - Subaru (21200AA080) is a genuine OEM part...
$18.05
MSRP $25.93
Save $7.88
30.4% Off
21210AA260 - : Thermostat for Subaru Image

Thermostat

Subaru 21210AA260
2.5L. Legacy, Outback. Thermostat - Subaru (21210AA260) The Thermostat - Subaru (21210AA260) is a genuine OEM engine cooling...
$27.45
MSRP $39.43
Save $11.98
30.4% Off
21210AA291 - : Thermostat for Subaru Image

Thermostat

Subaru 21210AA291
Forester. Legacy, Outback. Crosstrek. Transmission Cooling. Incl.Gasket. 2.5L. Engine Coolant Thermostat - Subaru (21210AA291)...
$27.45
MSRP $39.43
Save $11.98
30.4% Off
21210AA181 - : Thermostat for Subaru Image

Thermostat

Subaru 21210AA181
Forester. Lower. BRZ. No.2 (at water pump). 2.5L without turbo, 2011-13. Engine Coolant Thermostat - Subaru (21210AA181) The...
$25.23
MSRP $36.25
Save $11.02
30.4% Off
21210AA030 - : Thermostat Unit for Subaru Image

Thermostat Unit

Subaru 21210AA030
3.6L. Legacy, Outback. Forester. 2.5L, 2005. 2.0L, with gasket. Thermostat Unit - Subaru (21210AA030) The Thermostat Unit -...
$19.84
MSRP $28.50
Save $8.66
30.4% Off
21210AA080 - : Thermostat Unit for Subaru Image

Thermostat Unit

Subaru 21210AA080
3.6L. Legacy/Outback. 2.5l. Tribeca. 2008-14. 2.5L without turbo, 2009-10. Legacy/Outback. 3.0l. 2006-07. Thermostat Unit - Subaru...
$18.56
MSRP $26.67
Save $8.11
30.4% Off
21236AA070 - : Thermostat Gasket for Subaru Image

Thermostat Gasket

Subaru 21236AA070
Engine Cooling. Front. Ascent. WRX. Forester. With turbo. 2.0L hybrid. Impreza. With hybrid, lower. Crosstrek.
$3.06
MSRP $4.40
Save $1.34
30.5% Off
11060AA320 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 11060AA320
BRZ. Manual trans.
$6.18
MSRP $8.88
Save $2.70
30.4% Off
11060AA390 - : Thermostat Cover for Subaru Image

Thermostat Cover

Subaru 11060AA390
2.5L, thermostat. 2.5L, upper. Crosstrek. 2.5L, 2024-25. Impreza.
$14.56
MSRP $20.92
Save $6.36
30.4% Off
417545900 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 417545900
All models. Justy. Without fuel injection. Thermostat Housing – Subaru (417545900) The Thermostat Housing – Subaru (417545900)...
$12.49
MSRP $17.95
Save $5.46
30.4% Off
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