The standard of quality since 1919.
D-A Lubricant Company® is leading the transformation and creation of the future of lubricant performance and protection. We constantly evolve and improve formulations with innovative chemistry.Learn More
Extreme Protection, Exceptional Performance. PennGrade 1® High-Performance Oil, “The Original Green Oil”TM is the gold standard for high-performance engines. Track tested over time, consumers equate the PennGrade 1® brand with quality and performance.Visit PennGrade 1®
Formulated for function.Learn More