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⚙️ Drive smoother, save fuel, and protect your engine like a pro!
Liqui Moly MoS2 Anti-Friction Engine Treatment is a 300 ml universal oil additive that forms a high load-bearing lubricating film on all engine friction surfaces. With a flash point of 181°C, it ensures thermal stability while reducing engine noise and wear. Proven to improve throttle response and fuel efficiency by up to 10%, this treatment is a must-have for maintaining peak engine performance and longevity.





| ASIN | B003U4O414 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #10,812 in Automotive ( See Top 100 in Automotive ) #21 in Engine & Oil Fluid Additives |
| Brand | Liqui Moly |
| Brand Name | Liqui Moly |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 7,279 Reviews |
| Flash Point | 181 °C |
| Global Trade Identification Number | 04100420020094 |
| Included Components | 300ml can |
| Item Type Name | Anti-Friction Oil Treatment |
| Item Weight | 6.4 ounces |
| Liquid Volume | 300 ml |
| Manufacturer | Liqui Moly |
| Manufacturer Part Number | 2009 |
| Manufacturer Warranty Description | 1 year manufacturer |
| Model Number | 2009 |
| Number of Packs | 1 |
| Package Information | Bottle |
| Size | 300 milliliter |
| Unit Count | 10.14 Fluid Ounces |
| Vehicle Service Type | Car |
| Viscosity Level | Medium to High |
B**T
Amazing product
I recently tried Liqui Moly MoS2 Anti-Friction Engine Treatment on my Dodge Viper, and the results were impressive. My V10 engine had started to feel a bit rough, with minor ticking noises and slightly sluggish response under hard acceleration. After adding the treatment during my oil change, I noticed a difference almost immediately. The MoS2 formula coats the internal engine components with a protective layer, reducing friction and wear. Within the first 100 miles, my Viper’s engine felt smoother, and the startup noise was reduced. Acceleration became more responsive, and the overall performance felt closer to the way it did when the car was new. I also appreciated the peace of mind knowing that this treatment offers extra protection during high-performance driving. For anyone looking to maintain a high-powered engine in peak condition, Liqui Moly MoS2 is an excellent addition to regular maintenance. It genuinely helped keep my Viper in top shape and running like a dream. Pros: Noticeably smoother engine operation Reduced startup noise and ticking Improved throttle response Extra layer of protection under high load Cons: Works best when paired with fresh oil Overall, I strongly recommend Liqui Moly MoS2 Anti-Friction Engine Treatment for anyone wanting to preserve engine health, especially in performance cars like the Viper.
E**K
Enhanced Engine Performance and Protection
Having used various engine additives over the years, I've found that Liqui Moly MoS2 Anti-Friction Engine Treatment stands out for its tangible benefits. This 300 ml can of oil additive is designed to enhance your engine's performance and longevity by forming a high load-bearing lubricating film on all friction surfaces. The results are quite noticeable. My engine runs significantly smoother, especially at higher RPMs, and there's a definite reduction in engine noise, making for a quieter and more controlled driving experience. It truly makes the engine feel like it's running with less effort. Beyond the immediate improvements in smoothness and sound, this additive is also geared towards prolonging engine life by reducing wear. This is a critical factor for anyone looking to maintain their vehicle's health over the long term. I've also observed a slight but consistent improvement in fuel efficiency, roughly around a 10% increase in miles per gallon, which is a welcome bonus given the current fuel prices here in Colorado. While it's a supplement to your regular engine oil, its effectiveness in providing an additional layer of protection and enhancing overall engine operation makes it a worthwhile investment. In my experience, the cost of the product is quickly offset by the gas savings, proving its value.
D**D
Noticeable performance boost in my 2016 Chevy SS — smoother and quieter
I’ve used Liqui Moly MoS2 in my 2016 Chevy SS (LS3), and the difference was noticeable pretty quickly. After adding it during an oil change, the engine felt smoother on startup and quieter overall, especially during cold starts. What this additive does is create a molybdenum (MoS2) protective layer on internal engine parts, which helps reduce friction and wear under load . In a performance car like the SS, that translates to smoother revs and a slightly more refined feel when accelerating. I also noticed: Less engine noise at idle Smoother throttle response Engine just feels more “free” and less strained It mixes easily with oil and works with standard oil capacities — one 300ml can is designed for about 3–6 liters of engine oil, which fits perfectly for most V8 setups . This isn’t some magic horsepower mod, but it definitely enhances engine feel and protection, especially if you care about long-term wear or run your car hard. Overall, for the price, it’s a solid add-on for performance and peace of mind. If you’ve got something like a Chevy SS or any higher-performance engine, it’s worth trying at least once.
J**N
Better gas mileage and less sluggish acceleration
Made my gf car so quiet can’t even tell it’s running v 4 2020 sounded like the normal small engines definitely worth it im now using it on my truck also do DO NOT THROW AWAY THE CAN works great with filling your oil filter !! IF YOU KNOW YOU KNOW
A**Z
Kia Sorento lubrication
This Stuff liver case and makes your engine run a lot smoother. I love this product my engine's going to last a little up to 350,000 miles.
A**R
Well worth the price
This is well tested and well known molybdenum sulfite anti friction additive. Has decades history of performance in automotive applications as an oil additive or in grease form. Performs well and is safe for engines. You will feel difference right away.
A**R
I don’t normally write reviews, but I felt this product deserved one.
I don’t typically use engine additives, but the noise coming from my engine on startup was get very concerning. I own a ’09 Hyundai Accent 1.6L, and if you own one or know someone that does, you probably know of the lifter noise all too well. It’s so prevalent; Hyundai has the issue noted in the manual. It says it’s normal to have lifter noise on startup, it’s only an issue if the noise last more than 15 mins. In my case, lifter noise only lasts about 5 mins after startup. I will not drive until the ticking noise stops of fear of damaging some engine component. Even though Hyundai says it’s normal. The metal-on-metal tapping sound is cringe worthy. Waiting for the tapping sound to stop has been my routine for the past 8 years. I drive 100+ miles a day, majority is highway miles. I have well over 200k+ miles on it right now. I change my oil religiously every 2 months. The car has always had lifter noise since the day I bought it brand new in 2009. However, it is now louder and duration is longer. So one day last week I fell into the Amazon rabbit hole looking for a deal on motor oil. I’m not too picky on brand, just looking for the best deal. I always seem to find synthetic oil on sale, $10+ for 5qt after rebate. Can’t beat that deal, I always stock up and buy the max allowed. Anyway, while looking for my oil I come across Liqui Moly 2009 Anti-Friction Oil Treatment. I normally just pass these suggested products Amazon assumes I’m looking for, but for whatever reason I decided to read about this product. The reviews were very compelling but I try not to read too much into Amazon reviews, because anyone can write a review about any product on Amazon. So I decide to read more about this product on bobistheoilguy forum. To my surprise, lots of people on that forum use this product and many other Liqui Moly products. So for $8 I thought I would give it a try. It has a thick consistency with a metallic color, like graphite suspended in oil, not something I really wanted to add to my oil. But I did my oil change and added 150ml per the instructions. I started the car to check for leaks, car made the typical ticking sound on startup, didn’t think nothing of it since I’m used to hearing it. The next day leaving for work, started my car and heard the ticking as usual. It wasn’t until I started my car when I left work is when I got really concerned. I started my car and I noticed right away I could BARLEY hear the engine running. Absolutely zero ticking noise, I literally had to look at my tach to make sure the car was running at the normal idle speed. Not going to lie, I was kinda scared. I’m so conditioned to hear noise from my engine on startup I thought something was wrong with it when I started it up. I actually waited a few minutes before driving off, because that’s what I’ve done for years. The car didn’t drive any different, I didn’t feel any “performance” gains or gain extra miles per gallon. What I did notice, the lifter noise is completely gone. Nothing, nada, zero lifter noise. And the running engine is very notable quieter. It’s been 400 miles since using this product; I’m so amazed how well this product has worked in my situation. I’m so glad I don’t have to wait for the engine noise to go away before driving. I’m still not use to how quite this engine is when running. It doesn’t seem normal to me. Very pleased with the results from this product. I was unaware Liqui Moly has a specific product for lifters, Liqui Moly 20004 Hydraulic Lifter Additive. I’m going to try that next oil change. I don’t normally write reviews, especially ones this long, but I felt this product deserved one. It may not be for everyone, but if you experience lifter noise, give it a try. I’m sure glad I did.
G**G
used as directed
I am extremely happy with this purchase. The product worked exactly as expected and exceeded my expectations in both quality and performance. It was easy to use, well-made, and delivered excellent results. Everything arrived in great condition, and it has performed flawlessly since I started using it. I would definitely recommend this product to others and would not hesitate to purchase it again
K**K
Good preventative maintenance
It's good to use every other oil change, has helped with mpg, noise, and seemingly oil endurance. Between my first use and most recent oil change, the oil was in much better shape and colour after using this. Worth it. Totally worth it
A**H
Mos2
Good genuine product reduces vibrations and increases performance as well as fuel efficiency
C**O
Excelente producto
Los productos liqui moly nunca me decepcionan, uso este, el limpiador de inyectores y el de lavado internos en cada servidor y mi motos suena y se siente suavecito y ligero como nuevo de paquete, ya es un auto con 10 años y nunca a presentado falla. Si se siente que reduce la fricción y protege el motor, tal vez parezca caro usar esos productos pero se amortiza el costo al mantener un motor en excelentes condiciones
N**C
Excelente trabaja al 100% Anti-friccion MoS2
Ha llegado super rapido. Excelente producto LiquiMOly. Lo utlizamos en el NISSAN Sentra 2004 XE motor 1.8. QG18, lleva sus 379.577 kms. y aun continua trabajando el auto al 100%, va mas suave mejor a relanti, menos ruido. Debo reconocer que el Auto lleva su aceite SAE 15W40. El aditivo lo llevamos usando 2 años. y el auto parece nuevo: no hace ruidos. el motor NO tiene fugas ni botes. El motor lleva 3 lts de aceite (indicaciones del Manual NISSAN).; por lo que solo aplicamos la mitad del aditivio LiquiMoly. unos 150 ML.. la otra mitad la utilizamos para el sgte cambio de aceite. El aceite utilizado es SEMISINTETICO SAE 15W40. y un filtro de aceite BOSCH, cambios cada 7 mil kms. No soi un amante a los aditivos; pero es el unico que utilizo. El motor funciona con más suavidad y regularidad, se reduce el ligero consumo de aceite y combustible. Hace que el motor marche de forma más estable y disminuye las averías, han sido 16 años con el motor XE 1.8QG, el motor nunca se ha bajado. Sigue trabajando perfecto. Cambios de Aceites y Servicios en Tiempo y Forma. Se recomienda LiquiMoly Anti-friccion.
P**Y
LOVE THIS STUFF
My car is known for having what they cai typewriter tick from factory on new car, if you add a bottle of this every other oil change it gets rid of that tick 100% some people add it every change it depends how noisy it gets but this stuff definitely works
Trustpilot
3 weeks ago
3 weeks ago