The Valvoline Premium Blue One Solution Gen2 Heavy Duty Engine Oil is designed for use in multiple heavy duty, medium duty, and light duty engine types, providing improved oxidation and thermal stability, in addition to extended drain intervals for both diesel and natural gas engine platforms. The engine oil was developed in partnership with Cummins Spark-Ignited (SI) Engineering and is the factory fill engine oil for Cummins Natural Gas engines (ISX12 N, L9N, B6.7N) and the Cummins X15, X12, L9, and B6.7 diesel engines. Additionally, it is CES 20092, CES 20086, EOS-4.5, VDS-4.5, DFS 93K222, and VI RLD-3 approved.
