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Liqui Moly 20004 Hydraulic Lifter Additive 300 ml

4.3 4.3 out of 5 stars 4,880 ratings

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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
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Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
Liqui Moly 20004 Hydraulic Lifter Additive 300 ml
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Price$13.06$14.62$9.77-10% $19.96
Typical:$22.14
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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
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Amazon.com
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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.

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Customer reviews

4.3 out of 5 stars
4.3 out of 5
4,880 global ratings

Customers 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

225 customers mention159 positive66 negative

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

202 customers mention115 positive87 negative

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

41 customers mention22 positive19 negative

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

39 customers mention24 positive15 negative

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

11 customers mention7 positive4 negative

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

Give it a shot
5 Stars
Give it a shot
Dodge Pentastar engines can wear out lifters prematurely bought this to help my engine run smoother longer 👍
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Top reviews from the United States

Reviewed in the United States on January 4, 2023
Size: 300 mlVerified Purchase
32 people found this helpful
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Reviewed in the United States on February 22, 2024
Size: 300 mlVerified Purchase
4 people found this helpful
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Reviewed in the United States on March 6, 2024
Size: 300 mlVerified Purchase
Reviewed in the United States on February 17, 2024
Size: 300 mlVerified Purchase
Reviewed in the United States on October 21, 2023
Size: 300 mlVerified Purchase
3 people found this helpful
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Reviewed in the United States on February 28, 2024
Size: 300 mlVerified Purchase
Reviewed in the United States on January 30, 2023
Size: 300 mlVerified Purchase
7 people found this helpful
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Top reviews from other countries

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Mykaela George
5.0 out of 5 stars The first additive that seems to have worked*
Reviewed in Canada on September 19, 2023
Size: 300 mlVerified Purchase
One person found this helpful
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illia Hromyk
5.0 out of 5 stars funziona da vero
Reviewed in Italy on March 8, 2024
Size: 300 mlVerified Purchase
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illia Hromyk
5.0 out of 5 stars funziona da vero
Reviewed in Italy on March 8, 2024
Ordinato due fustine per pulire motore e per rimuovere rumore di puntiere, mia e46 con 294832 km avrò fatto tagliando poi scoperto che fa rumore, aggiunto addettivo liqui moli fra 50-60 chilometri prossimo giorno sento molto di meno rumore, vediamo cosa fa quando passo più cilometri. Comunque prodotto buono e funziona
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Mantas
5.0 out of 5 stars cleaning
Reviewed in the United Kingdom on December 2, 2023
Size: 300 mlVerified Purchase
Français du 01
5.0 out of 5 stars Bien
Reviewed in France on June 7, 2023
Size: 300 mlVerified Purchase
Cliente Amazon
5.0 out of 5 stars Si que funciona
Reviewed in Spain on September 24, 2022
Size: 300 mlVerified Purchase