Revia Mobility offers high-performance 15W40 CK-4 engine oil designed for heavy-duty diesel engines operating in demanding environments. This advanced lubricant provides superior wear protection, oxidation resistance, and improved engine cleanliness to enhance performance and extend engine life. Ideal for commercial vehicles, trucks, and industrial machinery, our CK-4 certified oil en... https://www.reviamobility.com/15w40-ck4/