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Delo XLI Corrosion Inhibitor

Delo XLI Corrosion Inhibitor

Product Description

Delo® XLI Corrosion Inhibitor – Concentrate is a water based, low toxicity, environmentally friendly, nitrite free carboxylate inhibitor.

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Customer Benefits

  • Corrosion Protection — Corrosion protection for engine metals, including aluminum, iron, copper and solder alloys.
  • Wide Service Application — Recommended as a coolant for all types of cooling systems not requiring nitrite and where freeze protection is not required.
  • Long service life — The corrosion inhibitors in Delo XLI Corrosion Inhibitor – Concentrate contain a synergistic combination of mono and di-carboxylates that provide superior protection for a minimum of 960,000 kilometers, 12,000 hours, 6 years in on-road and off-road engine applications and 32,000 hours or 6 years in stationary engines. This product does not require regular inhibitor additions if proper maintenance practices are used.


Delo XLI Corrosion Inhibitor – Concentrate provides long life corrosion protection by using optimized and patented aliphatic carboxylate organic inhibitors that provide long lasting protection for cooling system metals and components including hard to protect aluminum.


Recommended for the following OEM use as a cooling water inhibitor:

  • Detroit Diesel
  • Deutz (TR0199-99-2091)
  • GEC Alsthom Ruston
  • Liebherr MD 1-36-130 (DCA)MaK
  • MAN 248

Always confirm that the product selected is consistent with the original equipment manufacturer’s recommendation for the equipment operating conditions and customer’s maintenance practices.

For full product description see the PDS