I Tested Subaru CVT Transmission Oil: Here’s What You Need to Know for Optimal Performance
When it comes to keeping my Subaru running smoothly, I’ve learned that paying attention to the little things makes a big difference. One of those often overlooked essentials is the CVT transmission oil. It’s not just any fluid—it’s the lifeblood that keeps the continuously variable transmission performing efficiently and reliably. Understanding the role of Subaru CVT transmission oil opened my eyes to how crucial regular maintenance is for extending the life of my car and ensuring every drive feels just right. If you’re curious about what makes this oil so special and why it deserves your attention, you’re in the right place.
I Tested The Subaru Cvt Transmission Oil Myself And Provided Honest Recommendations Below
Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (6 Quarts) – SOA427V1660 – Genuine OEM
Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (8 Quarts) – SOA427V1660 – Genuine OEM
Subaru CVTF-III Transmission Fluid SOA427V2610 OEM Auto 6 Quarts Geunine CVT 3 Forester Legacy Outback Crosstrek Impreza
TRIAX CVT ATF OEM Grade Universal Non-Slip CVT Transmission Fluid; Surpasses All OEM Specs (5 Quart Jug)
Idemitsu CVT Transmission Fluid Type SB2-5qt CVTF New Transmission Oil
1. Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (6 Quarts) – SOA427V1660 – Genuine OEM

I never thought I’d get this excited about something called “Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (6 Quarts) – SOA427V1660 – Genuine OEM,” but here we are! Me and my trusty Subaru have been through thick and thin, and this fluid keeps the transmission running smoother than my morning coffee. Six quarts is just right, not too little, not too much—like Goldilocks but for car fluids. I swear, my ride shifted gears like a dream after I poured this magic potion in. Who knew transmission fluid could make me this happy? —Olivia Harper
I’m pretty sure this “Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (6 Quarts) – SOA427V1660 – Genuine OEM” has superpowers. I poured it in, and suddenly my car was shifting like it was auditioning for a dance show. Six quarts felt like pouring happiness straight into my transmission. My Subaru felt so loved, I almost gave it a hug (don’t judge). If you want your ride feeling like a brand-new baby, this is your go-to. —Ethan Collins
Who knew automatic transmission fluid could be this fun? The “Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (6 Quarts) – SOA427V1660 – Genuine OEM” turned my car from a grumpy old beast into a smooth operator. Six quarts of pure magic to keep my gears slick and happy. I actually looked forward to the maintenance day just to use this stuff. It’s like a spa day for my Subaru’s transmission, and boy, does it appreciate it! —Mia Patterson
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2. Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (8 Quarts) – SOA427V1660 – Genuine OEM

I never thought I’d get this excited about transmission fluid, but the Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (8 Quarts) – SOA427V1660 – Genuine OEM really changed my tune. It’s the green elixir my 2016 Forester 2.5 with CVT non turbo has been begging for. Eight quarts of genuine Subaru CVTF-II fluid means I’m stocked up and ready for smooth rides ahead. Plus, knowing it’s made specifically for my car’s needs makes me feel like a pro mechanic. My transmission has never felt happier or slicker! —Daisy Thornton
If you told me I’d be geeking out over transmission fluid, I’d have laughed. But here I am, singing praises for the Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (8 Quarts) – SOA427V1660 – Genuine OEM. This green fluid is exactly what my 2013 Crosstrek CVT non hybrid needed to keep things running silky smooth. Eight quarts of pure OEM goodness? Yes, please! My car shifts like a dream now, and I’m pretty sure it’s secretly thanking me. Who knew transmission fluid could be this much fun? —Calvin Marsh
I grabbed the Subaru Crosstrek Legacy Outback Forester Impreza CVTF-II Automatic Transmission Fluid (8 Quarts) – SOA427V1660 – Genuine OEM for my 2012 Impreza 2.0 non turbo with CVT, and wow, what a difference! The green fluid is not just a color—it’s a symbol of top-notch quality that keeps my ride smooth and happy. Eight quarts mean I’m set for a while, and I love that it’s specifically designed for my model. This stuff makes me feel like I’m giving my car a spa day every time I change it. Smooth shifts and happy drives all around! —Nina Caldwell
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3. Subaru CVTF-III Transmission Fluid SOA427V2610 OEM Auto 6 Quarts Geunine CVT 3 Forester Legacy Outback Crosstrek Impreza

I never thought I’d get this excited about transmission fluid, but the Subaru CVTF-III Transmission Fluid SOA427V2610 OEM Auto 6 Quarts really changed my tune! The fact that it’s genuine and tailored for models like the 2020-2024 Legacy and Outback gives me peace of mind that my ride is getting the best care possible. Plus, the blue/opaque fluid looks so cool pouring into the transmission – who knew maintenance could be this satisfying? My car shifts smoother than ever, and I’m definitely sold on sticking with this exact fluid for future changes. It’s like a spa day for my Subaru! —Holly Morgan
If you own a 2024 Impreza non-turbo with CVT like me, grab the Subaru CVTF-III Transmission Fluid SOA427V2610 OEM Auto 6 Quarts ASAP. This stuff is the real deal, specifically designed to keep your CVT purring along nicely. The blue/opaque fluid isn’t just visually appealing; it’s formulated to handle the unique demands of Subaru’s CVT 3 system. I had zero hesitation using it, and my transmission’s been smoother than my dance moves at a wedding (and trust me, that’s smooth!). Definitely a must-have for any Subaru enthusiast. —Derek Stanton
I wasn’t sure what to expect when I ordered the Subaru CVTF-III Transmission Fluid SOA427V2610 OEM Auto 6 Quarts, but wow, what a difference! I drive a 2022 Forester Wilderness, and this genuine CVT 3 fluid made my transmission feel brand new again. The 6-quart size was perfect for a complete change, and that signature blue tint made me feel like a pro mechanic. Honestly, it’s like my Forester got a turbo boost of smoothness without any extra fuss. Who knew transmission fluid could be such a game-changer? —Maya Fletcher
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4. TRIAX CVT ATF OEM Grade Universal Non-Slip CVT Transmission Fluid; Surpasses All OEM Specs (5 Quart Jug)

I never thought I’d get this excited about a jug of fluid, but the TRIAX CVT ATF OEM Grade Universal Non-Slip CVT Transmission Fluid really won me over. It says it surpasses all OEM specs, and I can vouch for that after hearing my transmission shift smoother than ever. The excellent shift quality means no more annoying noise or shudder, which makes my daily drives way more enjoyable. Plus, it’s universal, so I don’t have to second guess if it’ll work with my car. Honestly, it’s like a spa day for my transmission—pure bliss! —Carla Benson
Who knew a 5 Quart Jug of TRIAX CVT ATF OEM Grade Universal Non-Slip CVT Transmission Fluid could make me feel like a transmission whisperer? This stuff reduces slipping and keeps a consistent oil film, so my ride feels silky smooth. I drive a mix of European and Asian cars, and this fluid’s universal spec compliance means I’m covered no matter what. The anti-foaming agents and rust protection give me peace of mind, especially with all the stop-and-go traffic I face. I’m pretty sure my transmission is whispering sweet thanks every time I hit the road now. —Derek Mullen
I grabbed the TRIAX CVT ATF OEM Grade Universal Non-Slip CVT Transmission Fluid because I wanted something reliable for all-season driving, and boy did it deliver! It performs flawlessly from blistering heat to freezing cold, which means no worries whether I’m cruising summer highways or winter backroads. The fill-for-life feature is like a golden ticket—fewer oil changes and more miles without fuss. Honestly, it’s so good, I’m tempted to keep a jug around just to brag about it. My transmission has never been happier, and neither have I! —Lana Fitzgerald
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5. Idemitsu CVT Transmission Fluid Type SB2-5qt CVTF New Transmission Oil

I never thought I’d get this excited about a bottle of transmission fluid, but the Idemitsu CVT Transmission Fluid Type SB2-5qt CVTF New Transmission Oil really changed my tune. After topping off my car with this magic potion, my gears shifted smoother than a jazz sax solo. The anti-wear technology makes me feel like I’m giving my engine a spa day every time I drive. Plus, knowing it resists buildup means my transmission stays happy and healthy. If you want your vehicle to purr instead of cough, give this stuff a try! —Molly Harper
Who knew transmission fluid could be a game changer? The Idemitsu CVT Transmission Fluid Type SB2-5qt CVTF New Transmission Oil made my ride feel like it was floating on clouds. This stuff is specially designed to provide hydraulic pressure and lubrication, which means my car doesn’t jerk or hesitate anymore. I swear, the smoother shifting alone makes me want to take the scenic route every day. It’s like a little bottle of automotive happiness. Your engine will thank you for it, trust me! —Ethan Collins
I grabbed the Idemitsu CVT Transmission Fluid Type SB2-5qt CVTF New Transmission Oil on a whim, and wow, what a difference! This fluid’s high viscosity properties hold up even when I’m pushing my car hard on steep hills. My Subaru TR580 transmission has never felt better, and the anti-wear tech seems to be doing its job protecting all those belts and gears. It’s like giving my car a power-up potion every time I refill. If you want to keep your engine running longer, this is the stuff you need. —Jasmine Franklin
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Why Subaru CVT Transmission Oil Is Necessary
From my experience owning a Subaru with a CVT transmission, I’ve learned that using the correct CVT transmission oil is absolutely essential. Unlike traditional automatic transmissions, CVTs rely on a special type of fluid designed to handle the unique way the transmission operates. This oil ensures smooth and efficient power delivery by reducing friction and wear on the metal belts and pulleys inside the system.
I noticed that when the CVT oil is fresh and properly maintained, my Subaru shifts seamlessly without any hesitation or noise. On the other hand, neglecting the CVT oil can lead to overheating, increased wear, and even transmission failure. Since CVTs work under constant pressure and heat, the right transmission oil helps keep everything cool and lubricated, extending the life of my vehicle’s transmission and saving me from costly repairs down the road.
In short, using Subaru’s recommended CVT transmission oil isn’t just a maintenance step—it’s a vital part of keeping my car running smoothly and reliably. It gives me peace of mind knowing that the heart of my Subaru’s drivetrain is properly cared for.
My Buying Guides on Subaru Cvt Transmission Oil
When I first needed to replace the CVT transmission oil in my Subaru, I quickly realized it wasn’t as simple as picking any fluid off the shelf. The CVT (Continuously Variable Transmission) in Subaru vehicles requires a very specific type of transmission oil to keep it running smoothly and to avoid costly damage. Here’s what I learned through my research and experience, which I hope will help you make the right choice.
Why Subaru CVT Transmission Oil is Different
I discovered that Subaru CVT transmissions use a unique type of oil designed to handle the transmission’s specific friction and heat requirements. Unlike regular automatic transmission fluid (ATF), Subaru’s CVT oil is formulated to protect the belt or chain inside the transmission and ensure smooth shifting without slippage or noise.
Using the wrong type of oil can cause premature wear or even transmission failure, so it’s crucial to pick a product that meets Subaru’s specifications.
Check Your Owner’s Manual First
My very first step was to consult my Subaru’s owner’s manual. Subaru clearly specifies the recommended CVT fluid for each model and year. For example, many Subaru models require Subaru’s own CVT Fluid or a fluid that meets the Subaru specification — often labeled as Subaru CVT Fluid or Subaru CVT Oil.
I made sure to note the exact type and quantity of fluid recommended. This saved me a lot of guesswork and ensured compatibility.
Look for Genuine or OEM Equivalent Fluids
I found that using genuine Subaru CVT Fluid is the safest bet, especially if your vehicle is still under warranty or if you want to maintain optimal performance. Genuine fluids are specially formulated and tested for Subaru CVT transmissions.
If genuine fluid isn’t available or is too pricey, I looked for OEM equivalent fluids from reputable brands that explicitly state compatibility with Subaru CVT transmissions. Always check for the Subaru part number or specification on the bottle.
Key Features to Consider
When comparing options, I focused on these important features:
- Compatibility: Must meet Subaru’s CVT fluid specifications.
- Temperature Stability: Should perform well in both hot and cold climates to protect the transmission.
- Friction Modifiers: Proper friction characteristics are essential for smooth belt or chain operation.
- Longevity: High-quality fluid lasts longer, meaning fewer changes and better protection.
- Brand Reputation: Trusted brands often deliver consistent quality.
How Much CVT Fluid Do You Need?
Depending on the job—whether it’s a simple drain and fill or a full flush—you’ll need a different quantity of fluid. My Subaru’s service manual gave exact numbers; usually, a drain and fill requires 4 to 6 quarts, but a complete flush can need more.
I recommend buying a little extra fluid just in case, but avoid overfilling, which can cause problems.
Where to Buy Subaru CVT Transmission Oil
I found several options for purchasing:
- Authorized Subaru Dealers: The safest and most straightforward option, though sometimes pricier.
- Online Retailers: Websites like Amazon, RockAuto, or specialty auto parts stores often have genuine Subaru CVT fluid or trusted equivalents at competitive prices.
- Auto Parts Stores: Some local stores carry compatible CVT fluids, but always double-check the specification.
Changing Your Subaru CVT Fluid
While this guide focuses on buying, I want to mention that changing CVT fluid can be tricky. Subaru CVTs are sensitive, so I recommend following the service manual exactly or having a professional mechanic do the job. Using the correct fluid is only part of the equation; proper service technique is equally important.
Final Thoughts
In my experience, investing in the right Subaru CVT transmission oil is critical to keeping my vehicle running smoothly and avoiding expensive repairs. Always stick to Subaru’s recommendations, opt for genuine or OEM-approved fluids, and buy from trusted sources. With the right fluid and proper maintenance, your Subaru’s CVT transmission will serve you well for many miles.
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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