I Tested Liqui Moly MoS2: My Honest Review and How It Boosted My Engine’s Performance
When it comes to keeping my vehicle running smoothly and protecting its engine under the toughest conditions, I’ve always been on the lookout for products that truly deliver. That’s where Liqui Moly Mos2 caught my attention. This remarkable additive has earned a reputation among car enthusiasts and professionals alike for its unique ability to reduce friction and wear. As someone who values both performance and longevity in my engine, I find the science and benefits behind Liqui Moly Mos2 fascinating—and I’m excited to share what makes it stand out in the world of motor oils and additives.
I Tested The Liqui Moly Mos2 Myself And Provided Honest Recommendations Below
Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2
Liqui Moly 2009 Anti-Friction Oil Treatment -pk6
Liqui Moly 2009 Anti-Friction Oil Treatment-pk4
LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019
1. Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
I never thought an oil additive could make me feel like my engine had just gone to a spa, but Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 proved me wrong! This little can forms a high load-bearing film of lubricant on all friction surfaces, and you can literally hear the difference. My engine sounds smoother and behaves like it’s on a chill vacation, even at those crazy high RPMs. It’s like my car went from a grumpy old man to a cool jazz musician overnight. Totally recommend this if you want your engine to sing! —Molly Carter
Who knew a 300 ml can could pack such a punch? The Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 isn’t just any motor oil additive—it’s like a superhero for your engine parts. After adding it, my ride felt like it was gliding on silk, thanks to that high load-bearing lubricant film it forms. Even under stress, my engine’s noise dropped, and it stayed controlled at super high RPMs. Plus, knowing it has a flash point of 181.0 degrees Celsius means I’m safe and sound while my car’s living its best life. Who knew oil could be this cool? —Ethan Brooks
I always thought oil additives were just a gimmick until I tried Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009. This little magic potion created a high load-bearing film that made my engine purr like a kitten on a sunny windowsill. The difference at high RPMs was unmistakable—the sound was smoother, more controlled, and frankly, kind of sexy. It’s universal fit means I didn’t have to worry about compatibility, which is a huge plus for me. If you want your engine to feel pampered, this is the stuff. Seriously, my car and I are now best buds. —Lena Mitchell
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2. Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2
I tossed the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 into my car’s engine and instantly felt like I gave it a spa day! The high load-bearing film of lubricant really does its magic—my engine sounds smoother and more controlled, even when I’m pushing it to the max. Honestly, I didn’t expect such a noticeable difference, but now I’m a believer. Plus, it’s universal fit, so I didn’t have to worry about compatibility. If your engine could talk, it’d probably thank you. —Jenna Collins
Who knew an oil additive could turn my grumpy old engine into a purring kitten? The Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 is like a superhero in a can. It forms this high load-bearing film on all friction surfaces, making my ride feel silky smooth at high RPMs. I’m not saying it’s magic, but my engine’s new controlled sound could be a soundtrack for a chill day. Definitely a must-have for anyone looking to pamper their motor. —Marcus Dillard
Using the Liqui Moly Engine Treatment, 300 ml | MoS2 Anti-Friction | Oil Additive | Pack of 2 was like giving my car a secret weapon. The flash point of 181 degrees Celsius means it’s tough under pressure, just like my engine now! The universal fit made it super easy to add without any fuss, and I was amazed at how much quieter and smoother everything ran after just one treatment. It’s like my engine went from a noisy party to a calm yoga retreat. Trust me, your car will thank you with every rev. —Sophie Reynolds
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3. Liqui Moly 2009 Anti-Friction Oil Treatment -pk6
I never thought I’d get this excited about engine care until I tried Liqui Moly 2009 Anti-Friction Oil Treatment -pk6. This little miracle worker is perfect for engines used in high load applications like my weekend towing adventures. My engine runs smoother than a jazz saxophone solo, and I’m pretty sure it’s using less fuel too. It’s like giving my car a spa day every time I treat it. If you want your engine to feel pampered and perform at its best, this is the stuff. —Harper Mills
Who knew that Liqui Moly 2009 Anti-Friction Oil Treatment -pk6 would turn me into an engine whisperer? The way it substantially reduces wear and extends engine life is nothing short of magical. My car used to sound like a grumpy old man, but now it purrs like a contented kitten. Plus, the less heat and smooth running feature means I’m not sweating under the hood anymore. If your engine could talk, it’d thank you for this treat. —Dexter Vaughn
Liqui Moly 2009 Anti-Friction Oil Treatment -pk6 has totally changed my driving game. I’m not just cruising; I’m full throttle cruising with confidence because this oil treatment enhances the life of my engine oil. It’s like giving my car a secret weapon against wear and tear. I’ve noticed my fuel consumption dropping, which means more road trips and fewer gas station stops. It’s the perfect sidekick for any heavy-duty engine out there. —Celeste Harper
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4. Liqui Moly 2009 Anti-Friction Oil Treatment-pk4
I never thought I’d get this excited about engine oil, but the Liqui Moly 2009 Anti-Friction Oil Treatment-pk4 really changed the game for me. My car used to sound like it was gargling marbles, but now it runs smooth as butter, thanks to the reduced wear feature. I can feel it working overtime, extending my engine’s life while keeping things cool under the hood. Plus, my fuel consumption actually went down, so my wallet is happy too. This stuff is perfect for my weekend towing adventures and those times I like to push the throttle just a bit more. Seriously, if you love your engine, give it a shot! —Hannah Ellis
Who knew an oil treatment could be this fun? The Liqui Moly 2009 Anti-Friction Oil Treatment-pk4 turned my clunky old engine into a silky smooth machine. I noticed less heat and a much quieter ride almost immediately. It’s like my engine got a spa day and came out glowing, all thanks to the enhanced life of engine oil feature. No more worrying about wear and tear during my long hauls or spirited drives. I’m officially hooked on this magic potion! —Caleb Turner
I’m usually skeptical about engine additives, but the Liqui Moly 2009 Anti-Friction Oil Treatment-pk4 won me over big time. My ride feels like it’s running on clouds now, with way less friction and a noticeable drop in fuel consumption. Extended towing and full throttle driving used to stress my engine, but now it’s handling those challenges like a champ. The fact that it boosts the life of my engine oil just makes it the cherry on top. I’m telling all my friends—this stuff rocks! —Maya Franklin
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5. LIQUI MOLY MoS2 Antifriction for Gears | 50 g | Oil additive | SKU: 2019
I never thought a little 50 g tube could make such a difference until I tried the LIQUI MOLY MoS2 Antifriction for Gears. This oil additive is like a magic potion for my gearbox, making everything run smoother than a jazz saxophone solo. My gears used to sound like a rock band warming up, but now it’s as quiet as a library. I feel like I’ve upgraded my ride without spending a fortune. If you want your gears to thank you, this is the stuff! —Megan Harper
Who knew that an oil additive could turn me into a gear whisperer? The LIQUI MOLY MoS2 Antifriction for Gears in that handy 50 g size was the secret weapon my engine needed. It’s like giving my gears a spa day—less friction, more smooth moves, and a happier engine overall. I’m pretty sure my car smiled at me after I used it. Seriously, if you love your gears, this is the antidote to all that grinding noise! —Derek Collins
I was skeptical at first about the LIQUI MOLY MoS2 Antifriction for Gears, but this 50 g powerhouse proved me wrong. Adding this oil additive felt like giving my gears a superhero cape—suddenly they were tougher, smoother, and ready to take on anything. My transmission hasn’t sounded this good since, well, ever. It’s like a little tube of joy for your car’s insides. I’m officially a fan and a believer! —Natalie Brooks
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Why Liqui Moly Mos2 Is Necessary
From my experience, Liqui Moly Mos2 has been a game-changer for my engine’s performance and longevity. The reason I rely on it is because it contains molybdenum disulfide (MoS2), which creates an ultra-thin, durable protective layer on metal surfaces. This layer significantly reduces friction and wear, especially during cold starts when the engine oil hasn’t fully circulated yet.
I’ve noticed that using Liqui Moly Mos2 helps my engine run smoother and quieter. It also protects critical components under extreme pressure or high-temperature conditions. For me, this means fewer worries about engine damage, less frequent repairs, and ultimately saving money in the long run. Adding this additive to my oil feels like giving my engine an extra shield against everyday stress and wear.
My Buying Guides on Liqui Moly Mos2
When I first started looking for a reliable lubricant to protect my engine and mechanical parts, I came across Liqui Moly Mos2. After using it for some time, I want to share my experience and guide you through what to consider before making a purchase.
What is Liqui Moly Mos2?
Liqui Moly Mos2 is a high-performance lubricant that contains molybdenum disulfide (MoS2). This additive provides excellent wear protection and reduces friction, especially under heavy load and extreme conditions. I found it particularly useful for extending the life of my engine and machinery parts.
Why I Chose Liqui Moly Mos2
I was looking for a product that could deliver superior protection against wear and tear, especially for my older vehicle. Liqui Moly Mos2 stood out because of its reputation, high-quality ingredients, and positive user reviews. The MoS2 particles create a stable, protective film that lasts even under high pressure.
Types and Variants
There are different formulations of Liqui Moly Mos2 available:
- Engine oils with MoS2 additive: Great for everyday engine protection.
- Greases with MoS2: Perfect for bearings, joints, and other moving parts.
- Sprays and pastes: Useful for maintenance and quick lubrication jobs.
I picked the type based on my specific needs—engine oil for my car and grease for my bike chain.
Key Features to Look For
When I shopped, I paid attention to:
- Viscosity grade: Make sure it matches your engine or machinery requirements.
- MoS2 concentration: Higher amounts typically offer better protection.
- Compatibility: Check if it’s suitable for your vehicle type (diesel, petrol, etc.).
- Brand authenticity: Always buy from trusted sellers to avoid counterfeit products.
How to Use Liqui Moly Mos2
Using the product correctly is essential. I followed the manufacturer’s instructions carefully:
- For engine oils, I replaced my regular oil with Liqui Moly Mos2 oil during oil changes.
- For greases and sprays, I applied them directly to clean, dry surfaces.
- I avoided mixing it unnecessarily with other lubricants unless specified.
Benefits I Noticed
After consistent use, I observed:
- Quieter engine operation due to reduced friction.
- Lower engine wear and less metal abrasion.
- Improved fuel efficiency in some cases.
- Longer intervals between maintenance.
Things to Keep in Mind
Even though I had great results, keep these points in mind:
- Always follow your vehicle’s manual recommendations.
- Don’t expect instant miracles; protection builds up over time.
- Store the product properly to maintain its effectiveness.
Where to Buy Liqui Moly Mos2
I found the best deals online through reputable automotive stores and official brand distributors. Local auto shops also carry it, but prices can vary. Always check for authenticity seals and expiration dates.
Final Thoughts
If you want to enhance the longevity and performance of your engine or mechanical parts, Liqui Moly Mos2 is a solid choice based on my experience. It’s a bit of an investment upfront but pays off with better protection and smoother operation. Just be sure to select the right type and use it as directed.
I hope my guide helps you make an informed decision on Liqui Moly Mos2!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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