Manufacturer | Liqui Moly |
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Brand | Liqui Moly |
Model | 20004 |
Item Weight | 10.6 ounces |
Product Dimensions | 4.72 x 2.36 x 2.36 inches |
Country of Origin | Germany |
Item model number | 8367 |
Is Discontinued By Manufacturer | No |
Exterior | Machined |
Manufacturer Part Number | 8367 |
OEM Part Number | 2770 |
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Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
Purchase options and add-ons
- Improves the lubrication properties of the oil
- Cleans valve bores
- Suitable for use in vehicles with turbochargers and vehicles with catalytic converters
- Prevents engine noises caused by hydraulic tappets
- Flash point: 60.0 degrees_celsius
Frequently bought together
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This Item Liqui Moly 20004 Hydraulic Lifter Additive 300 ml | Recommendations | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $13.06$13.06 | $14.62$14.62 | $9.77$9.77 | -10% $19.96$19.96 Typical: $22.14 |
Delivery | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 |
Customer Ratings | ||||
Value for money | 3.7 | 4.5 | 4.4 | 3.3 |
Mileage | 3.6 | 4.5 | 4.4 | 4.5 |
Easy to use | — | 4.9 | 4.7 | — |
Sold By | Amazon.com | Empathic Solutions | Amazon.com | AutoLove |
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From the brand
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One brand – all solutions! We are one of the few full range brands in the world and offer more than 4,000 items from our one-stop shop! We offer the world's widest, deepest range of motor and gear oils, fuel and oil additives, care products, chemical problem-solvers and service products. In premium quality – always and everywhere.
From the manufacturer
Product Description
Liqui Moly's Hydraulic Lifter Additive damps the noise produced by worn hydraulic lifters. Cleans valves and holes in the lifter and promotes optimum operation. Add to engine oil, for all gasoline and diesel engines with and without turbo-charging. Tested for compatibility with catalytic converters. Liquid Moly's Hydraulic Lifter Additive can be mixed with all commercially available engine oils. 300 ml is sufficient for up to 6 liters (6.34 quarts) of engine oil.
Product information
Technical Details
Additional Information
ASIN | B0096Y6XPC |
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Customer Reviews |
4.3 out of 5 stars |
Best Sellers Rank | #1,779 in Automotive (See Top 100 in Automotive) #1 in Hydraulic Fluid Additives |
Date First Available | August 11, 2014 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance of the auto part. They say it gives their electric mower a great performance, runs smoothly, and improves engine performance. However, some customers have concerns about the quality, value, and noise.
AI-generated from the text of customer reviews
Customers like the performance of the auto part. They say it gives their electric mower a great performance, runs smoothly, and makes their engine more responsive. Some mention that the product is magical and eliminates accelerating roughness.
"...Both have sound compression and run smoothly with about 500 - 600 hours on the rebuild. How much was done and by who is unknown...." Read more
"...Now after 300 miles its 95% gone and undetectable! MPG also increase by 2 MPG! Highly recommend this product...." Read more
"...I used the the product to help eliminate the knock issue. Only worked for 2 days. Do I think it’s worth it? I’m really not sure...." Read more
"06 BMW e83 with 207k, works pretty much immediately. 2nd time using this for preventative maintenance and I am impressed. Beamer tick is gone." Read more
Customers have mixed opinions about the noise of the auto part. Some mention that it is much quieter than before, while others say that it makes a bit of noise at initial start up, but it goes away after 15 seconds. Some customers also say that the engine is running smooth and quiet, while still others say it sounds louder than it did before.
"...Both have sound compression and run smoothly with about 500 - 600 hours on the rebuild. How much was done and by who is unknown...." Read more
"...Do I think it’s worth it? I’m really not sure. The noise is still there. Not a perfect product." Read more
"...Changed my oil and put this in and my car has been super quiet. No ticking, just peaceful quietness. Definitely recommend to quiet lifters...." Read more
"...All accelerating roughness gone, noise completely gone, rough idle gone. I went through a tank of gas already & averaged 2.3 more MPG...." Read more
Customers are mixed about the value of the auto part. Some mention that it is well worth the price, while others say that the money is wasted, it's useless, and makes engine noise even worse.
"...I decided to give it a try given the price was reasonable compared to others. I decided to change the oil and filter before pouring it in...." Read more
"...I’m really not sure. The noise is still there. Not a perfect product." Read more
"...holds 10 liters of oil, I needed two cans, however, it is well worth the price...." Read more
"Your item is total garbage.it did absolutely nothing to help the issue.do not recommend this trash" Read more
Customers are mixed about the quality of the auto part. Some mention it works great at reducing lifter tick, while others say that it didn't do anything to stop the lifters from ticking.
"...additive appears, as with many of the reviews, to restore the lifters to improved performance and quieter operation.As a comment...." Read more
"...The knocking was still occuring when I first added, but after driving for a while the sound eventually went away...." Read more
"...Beamer tick is gone." Read more
"Didn’t think it would really work but actually got rid of lifter tick. Didn’t really like hearing it to much considering I take care of my vehicles...." Read more
Customers are mixed about the tangles. Some mention that it eliminates the ticking, while others say that the tick would not go away.
"...Changed my oil and put this in and my car has been super quiet. No ticking, just peaceful quietness. Definitely recommend to quiet lifters...." Read more
"...Added to my 2006 Ram 1500 and 2005 town and country. Both had a tiny tick. Could hear for 10 sec on start up...." Read more
"...At 1200 miles, much better and at 1500 miles, the ticking is gone. Motor runs smooth still and temp is just right too...." Read more
"I use it in my evil 5.4 triton 3v and it has kept the normal ticking away. Would recommend to anyone" Read more
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Top reviews from the United States
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Maintenance records indicated a sticky lifter(s) in past, but are incomplete in regards to service performed. Vessel is used and on third or fourth owner with rebuilt blocks. Both have sound compression and run smoothly with about 500 - 600 hours on the rebuild. How much was done and by who is unknown.
360 engines are flat tappet cams and are run on high ZDDP Oil specifically for this type of motor.
To see if the lifter(s) could be freed up or performance improved, I added the Liquid Moly Hydraulic lifter additive to a fresh oil change.
After an extended run of several hours, no lifter noise has was heard. The oil appeared to change color to a darker dirty color more quickly over the next few weeks of testing. I speculate that this is the result of the additive performing the described cleaning action.
As a result of the discoloration, an earlier than normal oil change (1 month) was performed based on appearance (not analysis) and the additive used again. The theory was if we dissolve the crud; then remove the crud and start clean. Seems to make sense?
A third change has just been performed after a full year/season, and still no noise. I continue to add 1 can per engine at each full oil/filter change.
There was no desire to deal with the expense of new lifters/cam issues on an older rebuilt flat tappet motor. The engines are maintained carefully, and one can will be added to the appropriate range ZDDP oil at each change.
My experience indicates: If the motor is mechanically sound, and lifter binding or clogging is the apparent cause of issues. Then this additive appears, as with many of the reviews, to restore the lifters to improved performance and quieter operation.
As a comment. No engine additive can improve a problem if the internal engine condition is not suitable. In other words it can only improve the problem it is designed to fix.
For this additive: low oil pressure, excessively damaged or fouled lifters, too much or too large dirt to overcome, metal particles in the oil, etc. could limit or prevent successful noise reduction. That's not a product issue, it is that these products perform a specific action and cannot work miracles on a junk motor. Negative reviews don't always take this fact into account. It can't rebuild a seriously damaged motor. It appears to clean a basically sound older dirty/worn one and provide improved lubrication and performance. It is not "Snake Oil". in my experience and did the job we asked of it extremely well.
I first verified the basic criteria of engine vacuum, oil pressure, and smooth idle, etc.
Then it was not hard to propose the cost of a new cam/lifter set vs a try at cleaning them up. I would never change lifters alone on a flat tappet marine motor, so we would have had to change the camshaft and lifters in place, then break in.
I do not claim to be an engine expert, but for this specific situation, the thought was what have we got to lose?
So far after a full season of run, it has been a great success. I will continue to use it at each oil change.
Long story short: I have driven it for only 2 days after the oil change with this product and it's like a new engine. All accelerating roughness gone, noise completely gone, rough idle gone. I went through a tank of gas already & averaged 2.3 more MPG. That is pretty mind blowing. I don't know how long these results will last or if my ticking will come back. But if I can get away with using a can of this at every oil change to keep that suppressed, it's worth it.
Top reviews from other countries
Only downside is the price of the additive, which seems to only be going up.
Reviewed in Italy on March 8, 2024