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 brand with quality and performance.Visit PennGrade 1®
Formulated for function.Learn More