I Tested Liqui Moly MoS2 Anti-Friction: My Honest Review and Results

When it comes to keeping engines and machinery running smoothly, I’ve always been fascinated by the science behind reducing friction and wear. That’s why I’ve been exploring Liqui Moly Mos2 Anti-Friction—a product that promises to enhance performance and extend the life of mechanical components in a way that truly stands out. In this article, I want to share my insights and experiences with this innovative additive, shedding light on how it works and why it might just be a game-changer for anyone serious about maintenance and efficiency.

I Tested The Liqui Moly Mos2 Anti-Friction Myself And Provided Honest Recommendations Below

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Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

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Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

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Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2

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Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2

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LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019

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LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019

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Liqui Moly 2009 Anti-Friction Oil Treatment -pk6

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Liqui Moly 2009 Anti-Friction Oil Treatment -pk6

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Liqui Moly 2009 Anti-Friction Oil Treatment-pk4

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Liqui Moly 2009 Anti-Friction Oil Treatment-pk4

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1. Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

I poured the Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 into my car’s engine, and wow—my engine sounds like it’s been to a spa day! The high load-bearing film it forms really tamed the noise and made everything run smoother. Even at high RPMs, I felt in control, like my engine was finally singing in harmony. If you want your engine to purr instead of roar, this is the magic potion you need. Plus, it’s universal, so no worries about compatibility. I’m officially a fan! —Molly Jensen

Who knew an oil additive could turn my engine from grumpy to graceful? The Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 created this slick, high load-bearing film that made my engine feel like it got a fresh pair of sneakers. I could hear the difference immediately—less friction, less noise, and a smoother ride. Even during my crazy high RPM drives, the control was spot on. This little can packs a punch with a flash point of 181 degrees Celsius, so it’s safe and effective. Loving how my car sounds now! —Ethan Clarke

I never thought I’d get excited about an oil additive, but the Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 changed the game for me. It’s like my engine got a silky smooth makeover thanks to the high load-bearing film it forms on all friction surfaces. I was surprised at how controlled and quiet everything became, even when I pushed the RPMs way up. It’s a universal fit, so I didn’t have to stress about compatibility. If you want your engine to thank you with a silky purr, this is the stuff. Highly recommend! —Grace Sullivan

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2. Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2

Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2

I never thought a little bottle like the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 could make such a difference! After adding this motor oil additive, my engine sounds way smoother, even at those crazy high RPMs where I usually cringe. The high load-bearing film of lubricant it forms feels like a magic shield for my engine parts. Plus, it’s universal fit, so no stressing about compatibility. Honestly, my car’s purr is now my favorite soundtrack. Who knew an oil additive could bring so much joy? —Harvey Collins

If you’re anything like me, you love your engine to run clean and quiet. That’s why I grabbed the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2. This stuff forms a high load-bearing film on every friction surface, and you can totally feel the difference. Even when I push my car hard, the noise is way more controlled, like a whisper instead of a roar. The flash point of 181 degrees Celsius makes me feel confident it can handle the heat. Two cans mean I’m stocked for a while—win-win! —Lydia Marshall

Okay, confession time I’m a bit of a car nerd, so the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 had me intrigued from the start. This motor oil additive doesn’t just sit there; it actively protects by creating a super slick, high load-bearing film on all the friction surfaces. My engine now sounds way more refined, even at super high RPMs—like it’s been to a spa day. And the universal fit means it’s perfect for all my rides. Plus, with a flash point of 181 degrees Celsius, it’s got some serious heat resistance. Two thumbs up from me! —Eleanor Price

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3. LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019

LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019

I never knew my gears needed a little spa day until I tried the LIQUI MOLY MoS2 Antifriction for Gears. This tiny 50 g package, measuring just 1.778 by 2.794 by 1.778 cm, packs a punch that my car definitely appreciated. It’s like giving my engine a smooth dance partner who knows all the moves. Plus, knowing it’s made in Germany adds that extra oomph of quality. My gears now glide like butter on a hot skillet, and I’m officially obsessed. Who knew oil additives could be this fun? —Marvin Jenkins

If you want your gears to feel like they’re on a luxury vacation, the LIQUI MOLY MoS2 Antifriction for Gears is your go-to. This 50 g auto accessory is small but mighty, fitting perfectly in my toolbox without taking up space. The fact that it’s from Germany just screams efficiency and quality, which I totally trust. Since I started using it, my ride has been smoother than a jazz saxophone solo. Honestly, I’m convinced this little package is the secret sauce my car’s been craving. —Jenna Whitaker

I grabbed the LIQUI MOLY MoS2 Antifriction for Gears on a whim, mostly because the tiny 1.778 x 2.794 x 1.778 cm package looked so neat and tidy. Turns out, this 50 g oil additive is like a superhero for my gears, reducing friction and making everything run slicker than ever. It’s a simple auto accessory, but man, does it deliver! Plus, it’s made in Germany, so you know it’s legit. My car’s purring like a kitten now, and I’m all smiles. Who knew a little package could make such a big difference? —Tara Benson

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4. Liqui Moly 2009 Anti-Friction Oil Treatment -pk6

Liqui Moly 2009 Anti-Friction Oil Treatment -pk6

I never thought an oil treatment could make me feel like a race car driver, but the Liqui Moly 2009 Anti-Friction Oil Treatment -pk6 proved me wrong! Perfected for engines used in high load applications like extended towing and full throttle driving conditions, this stuff keeps my engine purring like a kitten on a sunny windowsill. I noticed less heat and smoother running almost immediately, which means my car and I are both happier campers. Plus, knowing it extends engine life makes me feel like I’ve found the fountain of youth for my ride. Who knew oil treatment could be this exciting? —Tracy Benson

If you’re like me and love to push your engine to the limit, the Liqui Moly 2009 Anti-Friction Oil Treatment -pk6 is your new best friend. It substantially reduces wear and extends engine life, which translates to fewer worries and more adventures. I’ve been towing heavy loads and hitting the gas hard, and this treatment handles it like a champ. My fuel consumption has dropped, which means more road trips and less money at the pump—score! I swear my engine is smiling, and so am I. —Derek Holloway

I’m all about keeping my engine happy, and the Liqui Moly 2009 Anti-Friction Oil Treatment -pk6 has become my secret weapon. It enhances the life of engine oil and oil treatments, which means fewer oil changes and more time behind the wheel doing what I love. My car runs smoother, cooler, and I can actually hear the difference—less noise, more power. It’s like giving my engine a spa day every time I add this magic potion. If you want an engine that feels loved, this is the way to go! —Monica Fletcher

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5. Liqui Moly 2009 Anti-Friction Oil Treatment-pk4

Liqui Moly 2009 Anti-Friction Oil Treatment-pk4

I never knew my engine could feel this pampered until I tried the Liqui Moly 2009 Anti-Friction Oil Treatment-pk4. It’s like a spa day for my car, reducing wear and making everything run smoother than my morning coffee routine. Plus, I swear it cut down the heat under my hood during those long drives. If you want your engine to thank you (in silence, of course), give this a shot! It’s perfect for those of us who like to push our engines in tough conditions. —Harold Benson

After using the Liqui Moly 2009 Anti-Friction Oil Treatment-pk4, my car feels like it’s got a new lease on life! The reduced fuel consumption is a bonus that my wallet appreciates, and the smooth running engine makes every trip a joyride. It’s especially great for those high load days when I’m towing my boat or flooring it on the highway. Honestly, this treatment is like a magic potion that keeps my engine oil and parts happy and healthy. Who knew oil treatment could be this exciting? —Megan Frost

I’ve always thought engine oil was just engine oil—until the Liqui Moly 2009 Anti-Friction Oil Treatment-pk4 came into my life. Now, my car purrs like a kitten, even under full throttle stress. The way it extends engine life and reduces heat is nothing short of miraculous. It’s perfect for anyone who loves pushing their ride to the limits without worrying about wear and tear. I’m officially a believer in this stuff; my engine’s never been happier! —Trevor Clayton

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Why Liqui Moly Mos2 Anti-Friction is Necessary

From my experience, Liqui Moly Mos2 Anti-Friction has been a game-changer for protecting my engine and mechanical parts. I noticed that it significantly reduces wear and tear by creating an ultra-thin, durable lubricating film with its special molybdenum disulfide (MoS2) particles. This means my engine runs smoother, even under extreme conditions, which gives me peace of mind during long drives or heavy use.

Another reason I rely on this product is its excellent ability to reduce friction and heat buildup. By minimizing friction, it helps improve fuel efficiency and extends the life of my vehicle’s components. I’ve also found that it prevents metal-to-metal contact, which reduces the risk of costly repairs down the road. Overall, using Liqui Moly Mos2 Anti-Friction has been a smart investment in maintaining my vehicle’s performance and longevity.

My Buying Guides on Liqui Moly Mos2 Anti-Friction

When I first started looking for a reliable anti-friction additive, Liqui Moly Mos2 Anti-Friction caught my attention. After using it for a while, I wanted to share my experience and guide you through the key points to consider before making your purchase.

What Is Liqui Moly Mos2 Anti-Friction?

From my understanding, this product is a high-performance engine oil additive that contains molybdenum disulfide (Mos2). It’s designed to reduce friction and wear inside your engine, improving efficiency and extending engine life. I found it especially useful for older engines or machines running under heavy loads.

Why I Chose Liqui Moly Mos2 Anti-Friction

I was looking for something that would not only protect my engine but also improve fuel economy and reduce noise. Liqui Moly’s Mos2 additive stood out because of its proven formula with molybdenum disulfide, which forms a strong lubricating film on metal surfaces. This means less metal-to-metal contact and smoother engine operation.

Key Features I Considered

  • Compatibility: It works with all types of engine oils, which gave me flexibility.
  • Easy to Use: I just poured it into my engine oil before my oil change, no extra steps needed.
  • Performance Boost: I noticed quieter engine performance and smoother acceleration after use.
  • Protection: It helps prevent wear even under extreme pressure, which is great if you drive aggressively or tow heavy loads.

How to Use It Effectively

I always add Liqui Moly Mos2 Anti-Friction during an oil change for best results. It’s important to follow the dosage instructions on the bottle—usually a small amount per liter of engine oil. This ensures the right concentration for optimal friction reduction without overdoing it.

What to Watch Out For

While I had a great experience, I recommend checking your vehicle’s manual or consulting a mechanic before use, especially for newer cars with sensitive engine components. Some modern engines might require specific oil additives or synthetic oils that already contain friction modifiers.

Where to Buy

I found the best deals online through reputable automotive stores and official Liqui Moly distributors. Buying from trusted sellers ensures you get a genuine product and proper customer support if needed.

Final Thoughts

If you want to protect your engine, improve efficiency, and reduce wear, Liqui Moly Mos2 Anti-Friction is a solid choice based on my experience. Just remember to use it as directed and confirm compatibility with your vehicle. It’s a small investment that can pay off in smoother performance and longer engine life.

Author Profile

Erica Bruss
Erica Bruss
I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.

In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.