Does Diesel Oil Have Zinc

Yes, diesel engine oil typically contains zinc, specifically in the form of ZDDP (Zinc Dialkyldithiophosphate). This additive is widely used in diesel oils to provide anti-wear protection, reduce oxidation, and extend engine life—especially in high-compression, high-load diesel engines. Why Is Zinc Important in Diesel Oil? Zinc (via ZDDP) offers several critical benefits: ✅ Reduces Metal-to-Metal…