What is the best coolant for your Subaru? We’ve compiled a list of 6 top options to help you keep your engine cool and running smoothly.
Keeping your Subaru’s engine cool is key to its performance and longevity. The right coolant plays a vital role in this. Let’s explore the best options for your Subaru.
Choosing the perfect coolant can feel overwhelming. But don’t worry, we’ve got you covered. From genuine Subaru products to reliable alternatives, we’ll guide you through the top choices.
Whether you drive a Forester, Impreza, or Outback, the right coolant ensures your engine stays protected and runs smoothly. Let’s dive in and find the best fit for your Subaru!
List of Top 6 Coolant for Subaru
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Subaru Genuine Super Coolant Blue Prediluted SOA868V9272 1 Gallon Pre Mixed 50/50 2009 and Newer Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX |
This Subaru Genuine Super Coolant is perfect for Subaru owners who want reliable engine protection. It’s ideal for 2009 and newer models like the Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, and WRX. |
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Subaru Coolant System Conditioner – SOA635071 – Genuine OEM |
This Subaru Coolant System Conditioner is perfect for Subaru owners who want to keep their car’s cooling system in top shape. It’s specifically made for Subaru vehicles and helps prevent corrosion. |
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Subaru Coolant System Conditioner 2 Pack – SOA635071 – Genuine OEM |
This Subaru Coolant System Conditioner 2 Pack is perfect for Subaru owners with green coolant. It works great for 1993-2008 Impreza WRX STi, 1998-2008 Forester, and 1990-2008 Legacy and Outback models. |
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AlpaSpare Engine Coolant Radiator fit for Subaru Forester 09-13 2.5L Impreza 08-11 2.0L 2.5L Outback 05-09 2.5 Crosstrek 16-17 2.5L XV Crosstrek 2.0 13-15 H4 Automatic Trans,Replace# 45111AJ07A |
This AlpaSpare Engine Coolant Radiator is perfect for Subaru owners who need a reliable replacement for their 2005-2017 models. It’s easy to install and built to last, ensuring your Subaru runs smoothly. |
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Subaru Cooling System Conditioner Coolant 12 Pack Case – SOA635071 – Genuine OEM |
This coolant is perfect for Subaru owners with green coolant. It works for 1993-2008 Impreza WRX STI, 1998-2008 Forester, and 1990-2008 Legacy and Outback. |
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A-Premium Engine Coolant Thermostat with O-ring Compatible with Subaru Outback, Forester, Impreza, CrossTrek, Legacy, XV Crosstrek, BRZ & Mitsubishi Outlander, Lancer, RVR & Scion FR-S & Toyota 86 |
This engine coolant thermostat is perfect for car owners who want reliable performance and peace of mind. It’s ideal for those with Subaru, Mitsubishi, Scion, or Toyota vehicles listed, ensuring your engine stays at the right temperature. |
Detailed Reviews
Discover the top 6 coolants for Subaru, handpicked for performance and value. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your car. Whether you need extreme cold protection or corrosion prevention, this guide has you covered. Read on to find the perfect coolant to keep your Subaru running smoothly and efficiently.
1. Subaru Genuine Super Coolant Blue Prediluted SOA868V9272 1 Gallon Pre Mixed 50/50 2009 and Newer Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX

Keep your Subaru running cool and protected with Subaru Genuine Blue Super Coolant. This pre-mixed 1-gallon formula is ready to go. It offers long-lasting protection against rust and corrosion for all your cooling system parts.
Say goodbye to worries about poor water quality causing problems. This coolant prevents those issues, ensuring your engine stays in top shape. It provides extreme cold-weather protection, down to -62°F.
Trust the organic corrosion inhibitor for reliable defense. It’s made for 2009 and newer Subaru models, including your Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, and WRX.
| Pros | Cons |
|---|---|
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Perfect For:
This Subaru Genuine Super Coolant is perfect for Subaru owners who want reliable engine protection. It’s ideal for 2009 and newer models like the Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, and WRX.
Ready to Purchase?
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2. Subaru Coolant System Conditioner – SOA635071 – Genuine OEM

Keep your Subaru’s cooling system in top shape with the Genuine Coolant System Conditioner. This OEM product is made just for Subaru vehicles.
It prevents corrosion, protects parts, and keeps your engine cool. Simple to use and highly effective.
Trust this Subaru-specific formula to maintain your car’s performance. It’s the smart choice for long-lasting protection.
| Pros | Cons |
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Perfect For:
This Subaru Coolant System Conditioner is perfect for Subaru owners who want to keep their car’s cooling system in top shape. It’s specifically made for Subaru vehicles and helps prevent corrosion.
Ready to Purchase?
3. Subaru Coolant System Conditioner 2 Pack – SOA635071 – Genuine OEM

Subaru Coolant System Conditioner is a genuine OEM product. It comes in a 2-pack for your convenience.
This conditioner is specially designed for cars with green coolant. It works with 1993-2008 Impreza WRX STi, 1998-2008 Forester, and 1990-2008 Legacy and Outback.
Using this product helps keep your engine cool and prevents overheating. It is easy to use and reliable.
| Pros | Cons |
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Perfect For:
This Subaru Coolant System Conditioner 2 Pack is perfect for Subaru owners with green coolant. It works great for 1993-2008 Impreza WRX STi, 1998-2008 Forester, and 1990-2008 Legacy and Outback models.
Ready to Purchase?
4. AlpaSpare Engine Coolant Radiator fit for Subaru Forester 09-13 2.5L Impreza 08-11 2.0L 2.5L Outback 05-09 2.5 Crosstrek 16-17 2.5L XV Crosstrek 2.0 13-15 H4 Automatic Trans,Replace# 45111AJ07A

The AlpaSpare Engine Coolant Radiator is a perfect fit for many Subaru models. It works with Forester, Impreza, Outback, Crosstrek, and more.
This radiator is leak-proof and built to last. It uses high-quality materials like plastic cans and aluminum cores. It also includes a transmission oil cooler.
Easy to install, two-year guarantee, professional support.
| Pros | Cons |
|---|---|
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Perfect For:
This AlpaSpare Engine Coolant Radiator is perfect for Subaru owners who need a reliable replacement for their 2005-2017 models. It’s easy to install and built to last, ensuring your Subaru runs smoothly.
Ready to Purchase?
5. Subaru Cooling System Conditioner Coolant 12 Pack Case – SOA635071 – Genuine OEM

Subaru Cooling System Conditioner Coolant is a genuine OEM product. It comes in a 12-pack case for easy storage. Use it only with cars that have green coolant.
This coolant is specially designed for Subaru vehicles. It works with 1993-2008 Impreza WRX STI, 1998-2008 Forester, and 1990-2008 Legacy and Outback models. Keep your Subaru’s cooling system in top condition.
Using the right coolant is important for your car’s performance and longevity. With this genuine Subaru product, you can trust that your vehicle is getting the best care.
| Pros | Cons |
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Perfect For:
This coolant is perfect for Subaru owners with green coolant. It works for 1993-2008 Impreza WRX STI, 1998-2008 Forester, and 1990-2008 Legacy and Outback.
Ready to Purchase?
6. A-Premium Engine Coolant Thermostat with O-ring Compatible with Subaru Outback, Forester, Impreza, CrossTrek, Legacy, XV Crosstrek, BRZ & Mitsubishi Outlander, Lancer, RVR & Scion FR-S & Toyota 86

Keep your engine cool and running smoothly with the A-Premium Engine Coolant Thermostat. It’s compatible with many popular cars, like Subaru, Mitsubishi, Scion, and Toyota. Made with durable metal and rubber, it’s built to last.
This thermostat regulates engine heat effectively, ensuring optimal performance. Plus, it comes with a one-year guarantee, so you can drive with peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This engine coolant thermostat is perfect for car owners who want reliable performance and peace of mind. It’s ideal for those with Subaru, Mitsubishi, Scion, or Toyota vehicles listed, ensuring your engine stays at the right temperature.
Ready to Purchase?
Buying Guide
Choosing the right coolant for your Subaru is easy with this guide. Let’s find the best fit for your car.
Factors to Consider When Buying Coolant:
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Compatibility: Check if the coolant works with your Subaru model. Genuine Subaru products are a safe bet, but some alternatives may also fit.
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Protection: Look for coolant that prevents rust and corrosion. This keeps your engine parts safe and extends their life.
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Temperature Range: Choose coolant that handles extreme temperatures. It should protect in cold weather and prevent overheating in hot conditions.
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Ease of Use: Opt for pre-mixed coolant if you want a quick and easy solution. Some products come ready to use, saving you time.
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Brand Trust: Stick with trusted brands like Subaru Genuine or reliable alternatives. This ensures quality and performance.
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Additional Features: Some coolants include conditioners or thermostats. These extras can help maintain your cooling system better.
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Pack Size: Consider buying in bulk if you need coolant often. Multi-packs can save you money and ensure you always have some on hand.
With these tips, you’ll find the perfect coolant for your Subaru. Your engine will stay cool, protected, and running smoothly!