Synthetic heavy-duty diesel oil

Rigorous testing by Imperial shows Mobil Delvac 1 ESP SAE 0W-40 reaches the farthest parts of an engine within the all-important first 60 seconds – the most critical of an engine’s life – even in temperatures as low as minus 43 Celsius when bare metal scrapes against metal. Over time, microscopic layers are shaved from the surface of key engine parts. While conventional oils thicken in the cold, Mobil’s new state-of-the-art, heavy-duty synthetic motor oil moves into action as soon as you turn the key.

In addition to superb performance in extreme cold, Mobil Delvac 1 ESP SAE 0W-40 maintains a strong, stable film of protection under heavy load and high-temperature conditions. This stability allows it to resist thermal degradation that in conventional oils can lead to sludge, viscosity breakdown and the formation of harmful deposits. As a result, Mobil Delvac 1 ESP SAE 0W-40 customers may find they can extend oil-drain intervals and capture savings on maintenance costs and oil disposal fees.