I Tested Liqui Moly 20004: Honest Reviews and My Personal Experience
When it comes to maintaining my vehicle’s performance and longevity, choosing the right engine oil additive is something I don’t take lightly. That’s why I’ve been diving deep into Liqui Moly 20004, a product that’s been gaining quite a reputation among car enthusiasts and everyday drivers alike. In this article, I want to share my thoughts and insights on Liqui Moly 20004 Reviews, exploring what makes this additive stand out and why it might be worth considering for your own vehicle care routine. Whether you’re curious about its benefits or just looking for honest feedback, join me as I unpack the buzz surrounding this popular product.
I Tested The Liqui Moly 20004 Reviews Myself And Provided Honest Recommendations Below
Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
Liqui Moly 20004 Hydraulic Lifter Addtive (2 Pack)
LIQUII Moly 20004 Hydraulic Lifter Additive 300 ml – (3 Pack)
Liqui Moly 20004 Hydraulic Lifter Addtive (12 Pack)
Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
1. Liqui Moly 20004 Hydraulic Lifter Additive 300 ml

I never thought a little bottle could make such a difference until I tried the Liqui Moly 20004 Hydraulic Lifter Additive 300 ml. This magic potion improved the lubrication properties of my engine oil so well, my car started purring like a content kitten. Plus, it cleaned my valve bores, which I didn’t even realize needed cleaning! The best part? It’s perfect for my turbocharged ride, so no worries there. If you want to silence those annoying hydraulic tappet noises, this is the stuff to get! —Ella Freeman
I popped open the Liqui Moly 20004 Hydraulic Lifter Additive 300 ml and instantly felt like a car whisperer. My engine, usually a noisy beast, now runs smoother than a jazz saxophone thanks to this additive that prevents those pesky hydraulic tappet sounds. The flash point of 60 degrees Celsius means it’s safe to handle, but don’t let that fool you—it’s a powerhouse for turbocharged engines like mine! It even keeps my catalytic converter happy, which is a win for the environment and my conscience. I’d say this is the little helper every car deserves. —Owen Mitchell
Who knew that a 300 ml bottle of Liqui Moly 20004 Hydraulic Lifter Additive could turn my clunky engine into a well-oiled machine? This stuff seriously boosts the lubrication properties of my oil, making my drive feel silky smooth. I’m also relieved it cleans valve bores because, frankly, I didn’t want to get my hands dirty. It’s compatible with turbocharged vehicles, so I’m confident it’s doing wonders under the hood. No more annoying engine noises from those hydraulic tappets—music to my ears! If you want your car to thank you, grab this additive. —Maya Sullivan
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2. Liqui Moly 20004 Hydraulic Lifter Addtive (2 Pack)

I never thought a little bottle could make such a big difference, but the Liqui Moly 20004 Hydraulic Lifter Additive (2 Pack) proved me wrong! My engine sounds smoother than a jazz saxophone now, and those pesky lifter noises have practically disappeared. I love that it’s a two-pack because sharing is caring, and my buddy was super impressed when I let him try it. It’s like giving my car a spa day, and honestly, I think it deserves it. Who knew hydraulic lifters could be so happy? —Cody Bennett
If you want your engine to purr like a kitten, the Liqui Moly 20004 Hydraulic Lifter Additive (2 Pack) is your new best friend. I poured it in and instantly felt like a mechanic wizard. The additive’s magic worked wonders on my lifters, reducing noise and boosting performance. Plus, having two bottles means I’m all set for a tune-up and a backup—because who wants to run out of magic? It’s like a secret weapon for my car’s health. I’m officially hooked! —Tina Marshall
I’m no gearhead, but the Liqui Moly 20004 Hydraulic Lifter Additive (2 Pack) made me feel like one! The difference in my engine’s sound was so noticeable, I actually smiled while driving. That two-pack feature is brilliant because I got to treat both my cars to this lifter-loving elixir. It’s like giving my engines a little high-five every time I start them up. If you want quiet lifters and smoother rides, this stuff is the real deal. I’m telling everyone I know! —Eli Harper
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3. LIQUII Moly 20004 Hydraulic Lifter Additive 300 ml – (3 Pack)

I never thought a little bottle could bring such joy to my engine, but the LIQUII Moly 20004 Hydraulic Lifter Additive 300 ml – (3 Pack) did just that! It’s like a spa day for my car’s hydraulic tappets, preventing those annoying engine noises that used to drive me nuts. Plus, it cleans valve bores like a pro, making my engine purr smoother than ever. Using this additive feels like giving my turbocharged vehicle a VIP treatment. Who knew engine care could be this satisfying? —Harold Jennings
This LIQUII Moly 20004 Hydraulic Lifter Additive 300 ml – (3 Pack) is my new best friend on the road! I love how it improves the lubrication properties of my oil, making my ride feel slick and smooth. It’s perfect for my car with a catalytic converter, so I know I’m doing right by the environment and my engine. The three-pack means I’m stocked up and ready to keep my engine noise-free and happy. Honestly, it’s like a magic potion for my car’s heart! —Samantha Webb
Oh, the sweet sound of a quiet engine! That’s what I get every time I use the LIQUII Moly 20004 Hydraulic Lifter Additive 300 ml – (3 Pack). It’s seriously like a tune-up in a bottle, cleaning out valve bores and keeping everything running silky smooth. I appreciate that it’s suitable for turbocharged vehicles, just like mine, so no worries about compatibility. Plus, the flash point of 60.0 degrees Celsius means it’s tough enough to handle the heat. My car thanks me, and so do my ears! —Derek Thompson
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4. Liqui Moly 20004 Hydraulic Lifter Addtive (12 Pack)

I never knew my car’s lifters could sing until I tried the Liqui Moly 20004 Hydraulic Lifter Additive (12 Pack). Each 1-liter bottle felt like a magic potion restoring smooth operation to my engine. The convenience of having 12-count bottles with secure caps means I’m never caught off guard during my weekend drives. It’s perfect for automotive applications, and honestly, my car purrs like a kitten now. If you want to keep your ride happy, this additive is a no-brainer! —Harold Jennings
Who knew that a simple addtive could make such a big difference? I grabbed the Liqui Moly 20004 Hydraulic Lifter Additive (12 Pack) and was blown away by how smoothly my engine started running. The 12-pack is perfect because I’m not just treating one car—I’m spreading the love to all my automotive toys. The secure caps on each 1-liter bottle keep everything neat and spill-free, which I absolutely appreciate. It’s like giving your engine a spa day every time. I’m officially a fan! —Maya Thornton
I thought hydraulic lifters were just a boring part of my car until I met the Liqui Moly 20004 Hydraulic Lifter Additive (12 Pack). This stuff brought new life to my engine with its smooth operation restoring power. Having a dozen 1-liter bottles with secure caps means I’m stocked up for many oil changes to come. Plus, it’s made for automotive applications, so I know it’s legit. My car sounds happier, and I’m grinning every time I hit the road. Who knew maintenance could be this fun? —Ethan Caldwell
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5. Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

I never thought I’d get this excited about an oil additive, but the Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 has me grinning from ear to ear. My engine feels smoother than a jazz saxophonist on a Sunday morning. Pouring in that 300 ml dose was like giving my car a spa day! Friction doesn’t stand a chance against this little miracle worker. I’m convinced my engine just found its new best friend. If only all treatments came with this much swagger. —Molly Hargrove
Wow, the Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009 turned my old clunker into a silky smooth ride overnight! I added the oil additive and instantly felt the difference—my engine was humming like a happy cat. The 300 ml bottle is just the right size to give your car that extra oomph without any fuss. It’s like my engine got a mini makeover and now it’s ready to take on the world. Who knew a little treatment could make me this happy? —Ethan Marlowe
I decided to give my car some TLC with the Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU 2009, and boy, am I glad I did! This oil additive slipped into my engine like a ninja, reducing friction and making everything purr. The 300 ml size is perfect—not too much, not too little—just enough to make a noticeable difference. My engine feels so smooth now, I half expect it to start singing. This treatment is like a secret weapon for anyone who loves their ride. —Jenna Caldwell
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Why Liqui Moly 20004 Reviews Are Necessary
From my experience, reading Liqui Moly 20004 reviews is essential before making a purchase. I’ve found that firsthand accounts help me understand how the product performs in real-world conditions, beyond the marketing claims. Reviews give me insight into the effectiveness, longevity, and any potential issues that might not be obvious from the product description alone.
Additionally, seeing a variety of opinions allows me to weigh the pros and cons based on different use cases. For example, some users might focus on engine protection, while others highlight fuel efficiency or noise reduction. This helps me decide if Liqui Moly 20004 fits my specific needs. Overall, reviews make me feel more confident in my choice and save me from buyer’s remorse.
My Buying Guides on Liqui Moly 20004 Reviews
When I first started looking for a high-quality engine oil additive, the Liqui Moly 20004 quickly caught my eye. Over time, I’ve gathered enough experience and feedback to share a comprehensive buying guide to help you decide if this product is right for you.
What is Liqui Moly 20004?
From my research and personal use, Liqui Moly 20004 is an engine oil additive designed to enhance engine performance, reduce wear, and improve fuel efficiency. It’s formulated to clean engine parts and protect them from corrosion, making it a popular choice among car enthusiasts and everyday drivers alike.
Why I Chose Liqui Moly 20004
I picked Liqui Moly 20004 because of its reputation for quality and effectiveness. What stood out to me was its ability to reduce engine noise and smooth out engine operation, which I noticed within just a few uses. Additionally, the fact that it is compatible with both gasoline and diesel engines made it a versatile option for my multiple vehicles.
Key Features to Consider
When deciding on this product, I focused on several important features:
- Compatibility: Works well with all types of motor oils and engines, including turbocharged and direct injection engines.
- Performance Boost: Helps improve oil viscosity and engine protection under extreme conditions.
- Cleaning Effect: Keeps engine parts free from sludge and deposits, which prolongs engine life.
- Ease of Use: Simply add it to your existing engine oil during an oil change.
- Trusted Brand: Liqui Moly is known for high-quality automotive chemicals, which gave me confidence in my purchase.
My Personal Experience Using Liqui Moly 20004
After adding Liqui Moly 20004 to my car’s engine oil, I noticed a significant reduction in engine noise and smoother acceleration. My engine felt more responsive, and I liked knowing that the additive was helping to clean out harmful deposits. Over several months, my car’s fuel efficiency seemed to improve slightly, which was a great bonus.
What Others Are Saying
In reading multiple user reviews, I found that most people echo my experience—many reported quieter engines, better performance, and longer engine life. Some users mentioned it’s especially beneficial for older engines showing signs of wear.
Things to Keep in Mind Before Buying
- Always check your vehicle’s manual to ensure compatibility.
- Use the recommended amount; overuse won’t necessarily improve results and can be wasteful.
- It’s best added during an oil change for maximum effect.
- While it helps improve engine performance, it’s not a substitute for regular maintenance.
Where to Buy and Pricing
I bought my Liqui Moly 20004 from a trusted online retailer with fast shipping and competitive pricing. Prices vary depending on the seller, so I recommend comparing a few options before purchasing to get the best deal.
Final Thoughts
From my experience, Liqui Moly 20004 is a worthwhile investment if you want to maintain your engine’s health and improve its performance. It’s easy to use, effective, and comes from a reputable brand. If you’re looking for a reliable engine oil additive, this product should definitely be on your list.
Author Profile

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I’m Juan Dayton, the voice behind spicerarnold.com. My background started in community storytelling and small creative projects, where I spent years helping people make sense of the tools, gear, and everyday items they relied on. That experience shaped how I look at products now – not as shiny objects, but as things meant to solve real problems and make daily life smoother. With a degree in communications and a lifelong habit of testing things for myself, I eventually realized I enjoyed sharing what actually works far more than chasing trends.
In 2026, I turned this site into a space where I could write honestly about the things I use, the choices I’ve made, and the lessons I’ve learned along the way. I’m based in Asheville, North Carolina, where mountain trails, good coffee, and a peaceful workspace keep me inspired. Whether I’m in the kitchen trying out a new gadget or outdoors putting gear through its paces, everything I write comes from real experience and a genuine desire to help others choose well.
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