2017 Subaru Forester Thermostats – OEM & Performance Cooling Solutions

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            2017 Subaru Forester Thermostats – Maintain Engine Temperature & Performance

            Ensure your 2017 Subaru Forester runs efficiently with a high-quality thermostat that regulates engine temperature. A properly functioning thermostat controls coolant flow, preventing overheating, poor fuel efficiency, and engine damage.

            Choose from OEM replacement thermostats for stock performance or low-temperature thermostats for enhanced cooling in high-performance applications.

            21210AA181 - : Thermostat for Subaru Image

            Thermostat

            Subaru 21210AA181
            Forester. Lower. BRZ. No.2 (at water pump). 2.5L without turbo, 2011-13. At block.
            $25.23
            MSRP $36.25
            Save $11.02
            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
            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
            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.
            $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
            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
            11060AA380 - : Engine Coolant Thermostat Housing for Subaru Image

            Engine Coolant Thermostat Housing

            Subaru 11060AA380
            Transmission Cooling.
            $14.56
            MSRP $20.92
            Save $6.36
            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
            11060AA270 - : Engine Coolant Thermostat Housing for Subaru Image

            Engine Coolant Thermostat Housing

            Subaru 11060AA270
            Transmission Cooling. Legacy, Outback. Impreza. Without hybrid. Crosstrek.
            $14.56
            MSRP $20.92
            Save $6.36
            30.4% Off
            21236AA091 - : Engine Coolant Thermostat Gasket for Subaru Image

            Engine Coolant Thermostat Gasket

            Subaru 21236AA091
            Transmission Cooling.
            $5.72
            MSRP $8.22
            Save $2.50
            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
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            Why Choose OEM 2017 Subaru Forester Thermostats?

            ✔ OEM Fitment – Precision-engineered for a direct fit on your Forester’s cooling system. 

            ✔ Prevents Overheating – Regulates engine temperature for optimal performance. 

            ✔ Durable Construction – Made from high-quality materials for long-lasting reliability. 

            ✔ Improves Efficiency – Ensures proper fuel combustion and engine longevity. 

            ✔ Easy Installation – Direct bolt-on replacement with no modifications required.

            Compatible 2017 Subaru Forester Models

            These OEM and performance thermostats fit: 

            🚗 2017 Subaru Forester 2.5i, 2.5i Premium, 2.5i Limited, 2.5i Touring, and 2.0XT trims 

            🚗 Check your engine type and cooling system to confirm correct fitment.

            How to Replace 2017 Subaru Forester Thermostats

            Replacing a faulty thermostat helps maintain consistent engine temperature and prevents overheating. Follow these steps for a proper installation:

            Tools Required:

            ✔ Coolant catch pan 

            ✔ Socket wrench set 

            ✔ Gasket scraper 

            ✔ Torque wrench 

            ✔ New coolant

            Step-by-Step Installation Guide:

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

            2. Locate the Thermostat Housing – Follow the upper radiator hose to find the housing.

            3. Remove the Old Thermostat – Unbolt the housing and take out the old thermostat.

            4. Clean the Housing Surface – Remove any gasket residue to ensure a proper seal.

            5. Install the New Thermostat – Place it in the correct orientation and secure the housing.

            6. Refill & Bleed Coolant – Refill with fresh coolant and remove air pockets by running the engine.

            Signs You Need to Replace Your 2017 Subaru Forester Thermostat

            🚙 Engine overheating or running too cool. 

            🚙 Fluctuating temperature gauge while driving. 

            🚙 Coolant leaks near the thermostat housing. 

            🚙 Poor fuel efficiency due to incorrect temperature regulation. 

            🚙 Check Engine Light illuminated with cooling system codes.

            A failing thermostat can lead to major engine damage—replace it before issues arise!

            2017 Subaru Forester Thermostat Options: Choosing the Right Type

            🔹 OEM Replacement Thermostat – Ideal for stock cooling performance and reliability. 

            🔹 Low-Temperature Performance Thermostat – Designed for high-performance engines to keep temperatures lower under aggressive driving. 

            🔹 High-Flow Thermostat – Allows faster coolant circulation for improved heat dissipation.

            Popular Related Parts for 2017 Subaru Forester

            🔹 2017 Subaru Forester Radiator – Ensure efficient cooling with a high-quality radiator. 

            🔹 2017 Subaru Forester Water Pump – Maintain proper coolant flow for temperature regulation. 

            🔹 2017 Subaru Forester Coolant Temperature Sensor – Monitor accurate engine temperature readings.

            Upgrade Your Ride 🚗 – Shop Now!

            Keep your 2017 Subaru Forester’s engine running at peak efficiency with a reliable thermostat. Order your replacement today and prevent overheating issues!

            FAQs About 2017 Subaru Forester Thermostats

            ❓ How long do Forester thermostats last? Most thermostats last 60,000 to 100,000 miles, but they should be replaced if symptoms of failure appear.

            ❓ Can I replace my Forester’s thermostat myself? Yes! With basic tools and mechanical knowledge, thermostat replacement is a manageable DIY job.

            ❓ What happens if my thermostat gets stuck open or closed?

            • Stuck open – Engine runs too cool, reducing efficiency and increasing emissions.

            • Stuck closed – Engine overheats, leading to potential damage.

            ❓ Do I need to flush my coolant when replacing the thermostat? Yes, replacing the thermostat is a great time to flush old coolant and refill with fresh fluid.

            ❓ What temperature thermostat should I use for my Forester?

            • OEM (Stock) – Ideal for daily driving and factory performance.

            • Low-Temp (180°F) – Best for performance applications, reducing heat soak.