For drivers of diesel vehicles concerned about the longevity of their engine, FACOM offers this fuel additive in a 200 ml bottle. Compatible with any 4-stroke diesel engine—old or new generation, regardless of mileage—it protects against water erosion and bacterial contamination that can degrade fuel and fuel systems. Used preventively every 5,000 km, even on a new vehicle, it easily integrates into a regular maintenance routine. Effective in all four seasons, it is suitable for both cars and trucks, providing continuous protection without any seasonal constraints.