Mobil Delvac 1™ Advanced Fuel Economy 5W-30

Mobil Delvac 1™ Advanced Fuel Economy 5W-30 is our most sophisticated synthetic heavy duty diesel engine oil, developed to meet API FA-4 Industry and many OEM fuel economy specifications. ExxonMobil aimed to introduce a low viscosity product that strongly contributes to fuel saving characteristics of modern, friction modified engines². Mobil Delvac 1™ Advanced Fuel Economy 5W-30 is designed to provide at the same time exceptional protection for all engine and exhaust after-treatment parts by its advanced low ash formulation. Its unique wear protection technology supports long engine life and reliable operation in a wide range of applications. Mobil Delvac 1™ Advanced Fuel Economy 5W-30 meets and exceeds the longest oil drain interval requirements defined by major manufacturers, offering protection during extended oil drains up to 100,000 miles¹. It was also developed and tested to protect the engine with the use of biofuel components to consider different diesel fuel qualities. The combination of strong fuel economy performance², long oil drain intervals and step out engine and emission system protection makes this product the most sustainable offer ExxonMobil can provide for your business and the environment.

¹ Please refer to the owners handbook for OEM application requirements and oil drain intervals for your vehicle or equipment.

² Compared to an SAE 15W-40 engine oil. Actual savings are dependent on vehicle engine type, outside temperature, driving conditions, and your current engine oil viscosity.