Subaru BRZ Thermostats – OEM-Quality Engine Cooling

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Subaru BRZ Thermostats – High-Quality Performance & OEM Parts

Your Subaru BRZ’s thermostat is a critical part of the cooling system, regulating coolant flow to maintain optimal engine temperature. A malfunctioning thermostat can lead to overheating, poor fuel efficiency, and even engine damage.

Replacing your thermostat with a direct-fit OEM part ensures accurate temperature control, keeping your BRZ running efficiently and safely whether you’re daily driving or carving canyon roads.

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
11060AA320 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 11060AA320
BRZ. Manual trans.
$6.18
MSRP $8.88
Save $2.70
30.4% Off
11060AA290 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 11060AA290
BRZ. Upper, auto trans only. Transmission Cooling.
$14.56
MSRP $20.92
Save $6.36
30.4% Off
11060AA260 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 11060AA260
Forester. Lower. 2.5L without turbo, 2011-13. Impreza. 2.5L without turbo, 2013-14. With hybrid. BRZ. Legacy. Outback. Crosstrek.
$19.70
MSRP $28.30
Save $8.60
30.4% Off
11060AA410 - : Thermostat Housing for Subaru Image

Thermostat Housing

Subaru 11060AA410
Auto trans only. BRZ. Automatic trans.
$15.29
MSRP $21.97
Save $6.68
30.4% Off
21236AA050 - : Thermostat Gasket for Subaru Image

Thermostat Gasket

Subaru 21236AA050
Forester. 2.5L without turbo, 2011-13. Impreza. Legacy/Outback. Crosstrek. BRZ.
$3.06
MSRP $4.40
Save $1.34
30.5% 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
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
21235AA020 - : Engine Coolant Thermostat Gasket for Subaru Image

Engine Coolant Thermostat Gasket

Subaru 21235AA020
Transmission Cooling. Block-Off Plate.
$6.46
MSRP $9.28
Save $2.82
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
808206040 - : Water Pump Bolt for Subaru Image

Water Pump Bolt

Subaru 808206040
3.6L. 2.0L hybrid. With hybrid. 2.5L, 2024-25.
$1.39
MSRP $2.00
Save $0.61
30.5% Off
10406250 - : Hose & Tube Assembly Bolt for Subaru Image

Hose & Tube Assembly Bolt

Subaru 010406250
Type 2. 2.5L. With hybrid.
$0.57
MSRP $0.98
Save $0.41
41.8% Off

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Why Choose OEM Subaru BRZ Thermostats?

OEM Fitment – Engineered for precise compatibility with the BRZ’s cooling system

Prevents Overheating & Cold Running – Maintains consistent operating temperature. 

Durable Materials – Built from stainless steel and corrosion-resistant alloys for long-term reliability. 

Ensures Efficient Cooling System Performance – Proper coolant flow protects your engine from damage. 

Easy Installation – Direct replacement for the factory thermostat, no modifications needed.

Compatible Subaru Models

These OEM thermostats fit:

  • Subaru BRZ (2013–2024)

How to Install Subaru BRZ Thermostats

Thermostat replacement helps prevent costly cooling system failures. Here’s a step-by-step guide:

Tools Required:

✔ Socket wrench set 

✔ Drain pan 

✔ Gasket scraper (if necessary) 

✔ Torque wrench 

✔ Fresh coolant (Subaru-approved)

Step-by-Step Installation Guide:

  1. Drain the Cooling System – Place a pan under the radiator and drain the coolant.

  2. Locate the Thermostat Housing – Typically near the lower radiator hose connection.

  3. Remove Old Thermostat – Unbolt the housing, remove the thermostat, and clean the sealing surface.

  4. Install New Thermostat – Ensure the spring side faces the engine, and install a fresh gasket.

  5. Reassemble & Refill – Secure the housing, refill with fresh coolant, and bleed any air pockets.

  6. Test Operation – Start the engine and monitor the temperature gauge for proper warm-up.

Pro Tip: Whenever replacing the thermostat, it’s smart to inspect the radiator hoses and water pump to catch any developing issues.

Signs You Need to Replace Your Subaru BRZ Thermostat

🚙 Temperature gauge fluctuates unexpectedly. 

🚙 Engine overheating or running colder than usual. 

🚙 Poor heater performance

🚙 Coolant leaks around the thermostat housing

🚙 Check engine light triggered (in some cases).

Types of Subaru BRZ Thermostats

🔹 OEM Replacement Thermostats – Ideal for factory-like performance and reliability. 

🔹 Low-Temperature Performance Thermostats – Opens at a lower temperature, useful for track use or performance builds requiring better cooling.

Popular Related Parts for Subaru BRZ

🔹 Subaru BRZ Radiators – Keeps coolant temperature under control. 

🔹 Subaru BRZ Water Pumps – Ensures proper coolant circulation through the engine. 

🔹 Subaru BRZ Temperature Sensors – Monitors coolant temp for the ECU and gauge cluster.

Get Your Subaru BRZ Thermostats Today!

Keep your BRZ’s engine protected with OEM-quality thermostats designed for accurate temperature control. Browse our selection and order today for reliable cooling performance.

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FAQs About Subaru BRZ Thermostats

❓ How often should I replace my Subaru BRZ thermostat? Thermostats typically last 60,000 to 100,000 miles, but it’s wise to inspect it if your cooling system is serviced.

❓ Can I replace my BRZ thermostat myself? Yes! With basic tools and mechanical skills, thermostat replacement is a doable DIY project.

❓ What happens if my thermostat sticks closed? Coolant flow is blocked, causing engine overheating, which can lead to serious damage.

❓ Should I flush the coolant when replacing the thermostat? Yes, it’s highly recommended to flush the system to remove contaminants and refill with fresh coolant.

❓ Is an OEM thermostat better than aftermarket? Absolutely—OEM thermostats are calibrated precisely for the BRZ’s cooling system, ensuring proper warm-up and cooling performance.