SKU: 52720419357

21799 .Liqui Moly DEF AdBlue® Anti‑Crystal Additive Concentrate 250ml

Sale price$13.46 Regular price$14.95
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Ships within 48 hours · Estimated delivery Oct 24 - Oct 29

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Description

21799 .Liqui Moly DEF AdBlue® Anti‑Crystal Additive Concentrate 250mlAsh free combination of additives for the prevention of malfunctions in the SCR system of diesel engines. Reduces the formation of deposits in the AdBlue tank and injection system, guarantees extremely fine atomization of the urea solution by lowering surface tension, and minimizes the risk of AdBlue crystallization. Suitable for all SCR systems operated with 32. 5% urea solution (AdBlue, DEF). Ideally added after the filling process. Application Add

Ash-free combination of additives for the prevention of malfunctions in the SCR system of diesel engines. Reduces the formation of deposits in the AdBlue® tank and injection system, guarantees extremely fine atomization of the urea solution by lowering surface tension, and minimizes the risk of AdBlue® crystallization.

Suitable for all SCR systems operated with 32.5% urea solution (AdBlue®, DEF). Ideally added after the filling process.

Application

Add 0.25% to the AdBlue® solution (1:400):

  • 25 ml treats 10 L of AdBlue®
  • 250 ml treats 100 L of AdBlue®
  • 2.5 L treats 1,000 L of AdBlue®

For long-term application. Do not add to fuel. Add after filling the AdBlue® tank.

Other Information

Frost sensitive. Shake at room temperature to disperse any deposits before use.

⚠️ Danger: H318 — Causes serious eye damage.

Read more: DEF Additive Guide

Read our blog: AdBlue Crystallisation Explained – How Liqui Moly Helps Protect Your SCR System

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 52720419357

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Elisha C.
Cuba, US
★★★★★ 5
Great magnet!
Color: Black3pro, Color: Black3pro
Heavy duty and great magnet! Shop approved!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
F
Verified Purchase
Frank Artusa
Boise, US
★★★★★ 1
Expensive and Weak
Color: Black3pro
they don't hold anything substantial unless you screw them in. Defeats the purpose of a magnet.
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Reviewed in the United States on April 10, 2026
C
Verified Purchase
Calen Lowery
New York, US
★★★★★ 5
Handy
Color: Black3pro
great long hooks for organizing, especially in a work van / vehicle! A+ will be getting more of these
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Reviewed in the United States on May 20, 2026
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 3
Magnetic hooks
Color: Black3pro
They are nice magnets but don’t hold much weight and slide down the metal wall. They are good for small lighter items. Really don’t see them as heavy duty.
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Reviewed in the United States on November 10, 2025
C
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Chris & Cassidy
Belleville, US
★★★★★ 5
great hooks
Color: Black3pro
Strong hooks, work great, look nice. hold lots of hats!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2025

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