LIQUI MOLY Marine Diesel Protection / Additive

SVB item number: 20745 Manufacturer no.: 25000
Anti-bacterial biocide with a wide spectrum of effects against bacteria, yeast and mold. Cleaner and corrosion protection care for and protect the entire fuel system. 500 ml or 1000 ml.
Product details
only  €24.95 (€49.90 / L)
Shipping information: Dangerous goods
available | in stock
pcs.
Having issues?
If you are not redirected to PayPal, it could be due to your browser settings. Please check and if necessary deactivate the setting "Hide IP address" in the settings -> Safari -> Hide IP address. Please also check your browser for updates.
MyBoat
Are you already using this item?
Add to my boat now.

Available variants

Marine Diesel Protect Shooter
LIQUI MOLY Marine Diesel Protect Shooter
only €13.95 (€69.75/ l)
To product

Product data

  • SVB item number 20745
  • EAN 4100420250002
  • Manufacturer no. 25000
  • Description LIQUI MOLY - Marine diesel protection
  • Fuel Diesel
  • Contents 500 ml
  • Protection from Diesel bug, Corrosion
  • Improves Long-term preservation, Pollutant emissions, Start-up
  • Colour Brown, Transparent
  • Shipping information Dangerous goods

Product details

Anti-bacterial biocide with a wide spectrum of effects against bacteria, yeast and mold. This biocide does not create any corrosive byproducts. For the long-term preservation and storage of boat engines with low diesel throughputs.
The cleaning components contained in the product provide optimal cleanliness for the entire fuel system. Corrosion protection is also included, in order to protect the metallic components of the systems. Mximum engine performance is guaranteed.
Application
For preventive use and for sterilizing contaminated tank systems on boats and in storage tanks. For systems that are already contaminated, a shock dose with a ratio of 1: 200 is recommended. A measuring cup (25 ml) is sufficient for 5 l of diesel fuel. For preventive application, a dose with a ratio of 1: 1000 is prepared by filling a container (25 ml) sufficient for 25 liters of diesel fuel.
Features
  • Highly effective
  • Sterilizes infested tank systems
  • Acts to prevent bacteria from forming
Technical specifications:
  • Base: Biocide, detergent, cetane booster
  • Colour / Appearance: brown, clear
  • Flash point: 63°C

Documents

en-flag Datasheet
PDF (129,02 KB)
multi-flag Brochure
PDF (2,93 MB)
multi-flag Brochure
PDF (2,19 MB)

Product safety

Please note the following hazard warnings:

Contains biocides
Yes
BAuA-No.
N-79128
UN number
UN 1760
Transport class
9
Hazard pictograms
Signal word
Danger
Hazard warnings
Dispose of contents/container to …
If medical advice is needed, have product container or label at hand.
Keep out of reach of children.
Store locked up.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
Do NOT induce vomiting.
Get immediate medical advice/attention.
Wear protective gloves/protective clothing/eye protection/face protection.
Avoid release to the environment.
Use only outdoors or in a well-ventilated area.
Avoid breathing dust/fume/gas/mist/vapours/spray.
Causes serious eye damage.
May be fatal if swallowed and enters airways.
Harmful if inhaled.
Harmful if swallowed.
May cause an allergic skin reaction.
Can probably harm the child in the womb.
Very toxic to aquatic life.
Very toxic to aquatic life with long lasting effects.
P501, P101, P102, P405, P305+P351+P338, P301+P310, P331, P315, P280, P273, P271, P261, H318, H304, H332, H302, H317, H361d, H400, H410

What other SVB customers have to say

100% real reviews

32 customer reviews

4.6 (out of 32 ratings)
1 Stars
(0)
100% recommend SVB
  • Advantages
  • Price/performance ratio (8)
  • Quality (7)
  • Effect (8)
  • Dosing (4)
  • Disadvantages
  • Effect (1)
Bruno E.
by Bruno E. Flag of France 4/30/2026 Verified purchase Variant: 20746
With this additive mixed with diesel before winter storage, your engine restarts well after months of inactivity and the fuel tank is clean without bacteria and deposits.
  • Advantages
  • Price/performance ratio
  • Quality
  • Effect
Dirk K.
by Dirk K. Flag of Germany 12/14/2025 Verified purchase Variant: 20745
Good product
Excellent service!!!
  • Advantages
  • Dosing
  • Price/performance ratio
  • Quality
  • Effect
Klaus W.
by Klaus W. Flag of Germany 10/7/2025 Verified purchase Variant: 20746
Diesel protection
Helps in emergencies, fast delivery
  • Advantages
  • Price/performance ratio
  • Effect
Thomas H.
by Thomas H. Flag of Germany 6/19/2025 Verified purchase Variant: 20746 in use on a Conyplex B.V./ MYS - Contest 44 CS
Preventive measures against diesel plague
Does what it's supposed to do, no diesel plague so far
  • Advantages
  • Dosing
  • Price/performance ratio
  • Quality
  • Effect
Roland B.
by Roland B. Flag of Germany 5/28/2025 Verified purchase Variant: 20745
Top as always
Avoid diesel plague
  • Advantages
  • Dosing
  • Price/performance ratio
  • Quality
  • Effect

Rate product

How would you rate this product?
Disappointed
Completely fails to meet my expectations
Poor
Only some expectations are met
OK
Meets my basic expectations
Good
Slightly better than my general expectations
Excellent
Fully exceeds my expectations
Click on the stars to rate

Customers ask customers

No questions asked yet. Be the first to ask a question!

More "Customers ask customers" available in the following languages

E-mail Newsletter

Product news, offers & new guide videos. Stay up to date!

WhatsApp

New: Get news from SVB straight to your phone!

LIQUI MOLY Marine Diesel Protection / Additive
Contents 500 ml