2022 Outback Thermostats – OEM Engine Temperature Control for Reliable Performance

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Protect Your Engine with a Precision-Cooled System

Your 2022 Subaru Outback’s thermostat plays a vital role in maintaining optimal engine temperature. It regulates coolant flow based on engine temperature, ensuring fast warm-up and preventing overheating under load. A faulty thermostat can lead to overheating, poor fuel economy, or inconsistent heat output.

These OEM-quality thermostats are designed for direct replacement and accurate temperature response—giving you the peace of mind that your engine stays protected, even during long drives or extreme conditions.

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
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
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
21210AA191 - : Engine Coolant Thermostat for Subaru Image

Engine Coolant Thermostat

Subaru 21210AA191
XV Crosstrek. Engine Coolant Thermostat - Subaru (21210AA191) The Engine Coolant Thermostat - Subaru (21210AA191) is a...
$23.32
MSRP $33.50
Save $10.18
30.4% Off
21210AA221 - : Engine Coolant Thermostat for Subaru Image

Engine Coolant Thermostat

Subaru 21210AA221
$27.45
MSRP $39.43
Save $11.98
30.4% Off
21236AA101 - : Engine Coolant Thermostat Gasket for Subaru Image

Engine Coolant Thermostat Gasket

Subaru 21236AA101
Transmission Cooling. Rear. Legacy, Outback. BRZ. Forester. Impreza. Crosstrek. 2.5L, 2024-25. 2.0L. from 07/13/2022.
$4.35
MSRP $6.25
Save $1.90
30.4% Off
11060AA300 - : Engine Coolant Thermostat Housing for Subaru Image

Engine Coolant Thermostat Housing

Subaru 11060AA300
Engine Cooling. Front. Ascent. Impreza. Crosstrek. WRX. 2.0L hybrid. Forester. With turbo. 2.5L, lower. Engine Coolant Thermostat...
$27.83
MSRP $39.98
Save $12.15
30.4% Off
11060AA360 - : Engine Coolant Thermostat Housing for Subaru Image

Engine Coolant Thermostat Housing

Subaru 11060AA360
Transmission Cooling. Rear. Without hybrid, upper. Forester. 2.0L. Impreza. WRX. Off water pipe. Crosstrek.
$14.56
MSRP $20.92
Save $6.36
30.4% Off
800606980 - : Pulley Bolt for Subaru Image

Pulley Bolt

Subaru 800606980
2.4L turbo. 2.5L without turbo, 2011-13. 2.5L without turbo, 2013-14. 2.0L hybrid. With hybrid.
$0.42
MSRP $0.72
Save $0.30
41.7% Off
808206210 - : Water Pump Bolt for Subaru Image

Water Pump Bolt

Subaru 808206210
2.5L, thermostat. 2.4L turbo. 2.5L without turbo.
$0.65
MSRP $1.12
Save $0.47
42% Off
21235AA010 - : Water Outlet O-Ring for Subaru Image

Water Outlet O-Ring

Subaru 21235AA010
2.5L, lower.
$6.15
MSRP $8.83
Save $2.68
30.4% Off

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Why Choose OEM Thermostats?

OEM Fitment – Designed to match factory temperature specs and housing fit. 

Prevents Failures – Keeps coolant circulating at the right time to avoid thermal stress. 

Durable Construction – Built with corrosion-resistant materials and long-life components. 

Efficient Operation – Opens and closes at factory-calibrated temperatures. 

Easy Installation – Direct-fit replacement with included gasket or O-ring.

Compatible Subaru Outback Models

Fits 2022 Subaru Outback, including Base, Premium, Limited, Touring, Onyx Edition XT, Wilderness, and Touring XT trims. Compatible with both 2.5L naturally aspirated and 2.4L turbocharged XT engines. Always confirm engine type before ordering.

How to Replace a Thermostat on a 2022 Outback

Tools Required: 

✔ Socket and ratchet set 

✔ Drain pan 

✔ Gasket scraper 

✔ Torque wrench 

✔ Subaru Super Coolant (or equivalent) 

✔ New thermostat with gasket or O-ring

Installation Steps:

  1. Drain the Coolant from the radiator using the drain plug.

  2. Locate the Thermostat Housing near the lower radiator hose.

  3. Remove Housing Bolts and carefully extract the old thermostat.

  4. Clean the Mating Surface to remove old gasket residue.

  5. Install the New Thermostat in the correct orientation with the new gasket.

  6. Reattach the Housing, torque to spec, and refill coolant.

  7. Bleed Air from the System to ensure proper coolant circulation.

Pro Tip: Always replace the thermostat when servicing the cooling system to avoid future failure.

Signs You Need a New Thermostat

🚙 Fluctuating engine temperature 

🚙 Overheating or prolonged cold operation 

🚙 Heater blows cold air 

🚙 Coolant leaks near thermostat housing 

🚙 Check engine light with temperature-related codes

Thermostat Options for Your 2022 Outback

🔹 OEM Replacement Thermostats – Factory-calibrated for standard driving conditions 

🔹 Low-Temperature Thermostats – Opens sooner for performance builds or warm climates 

🔹 High-Flow Thermostats – Increases coolant flow for high-output or turbocharged engines

Popular Related Parts for 2022 Outback

🔹 2022 Outback Water Pumps – Keep coolant circulating through the system 

🔹 2022 Outback Radiators – Improve heat dissipation in all conditions 

🔹 2022 Outback Cooling Fans – Maintain airflow at idle or low-speed driving 

🔹 2022 Outback Temperature Sensors – Provide accurate readings to ECU and dash gauge

Get Your 2022 Outback Thermostat Today

Keep your engine protected and running efficiently with an OEM-quality thermostat built for the demands of your Outback. Whether you're maintaining or repairing, it’s a smart upgrade for long-term reliability. 

🛒 Upgrade Your Ride 🚙 – Shop Now!

FAQs About 2022 Outback Thermostats

❓ At what temperature does the OEM thermostat open? Most open between 188°F and 195°F (87°C–90°C) depending on engine type.

❓ How often should I replace the thermostat? Generally every 60,000 to 100,000 miles, or when cooling system issues appear.

❓ Can a faulty thermostat affect fuel economy? Yes—an engine running too cold or hot can reduce efficiency and increase emissions.

❓ Should I bleed the cooling system after replacing the thermostat? Yes—trapped air can lead to overheating and inaccurate temp readings.

❓ Can I replace the thermostat myself? Yes—with basic tools and mechanical skill, thermostat replacement is a manageable DIY job.