Mobil Delvac 1 ESP 5W-40 is an advanced full synthetic oil specially formulated for diesel engines that works to extend engine life, fuel economy potential*, and deliver long drain capability for modern diesel engines operating in severe conditions. Mobil Delvac 1 ESP helps to deliver exceptional performance with state-of-the-art technology to reduce engine deposits and sludge formation, as well as provide anti-wear and anti-scuff engine control. Provides excellent low-temperature performance for increased oil flow to critical engine surfaces at startup. Works to deliver outstanding protection against oil thickening and degradation, helping to reduce the number of oil changes.
