Blue Diamond PAO diesel engine oil line now includes a 10W-30 offering for heavy-duty use, diesel-powered vehicles. The Blue Diamond PAO diesel engine oil line has been expanded with a 10W-30 ...

Stellantis, the owner of Ram Trucks, issued a Technical Service Bulletin (TSB) in July of 2023, stating that 2019 model year and newer Rams need 10W-30 engine oil, while 2018 and older trucks ...