Product: Royal Purple 11748 HMX SAE 5W-30 High Mileage Synthetic Motor Oil - 5 Qt.
Brand: Royal Purple
Minimizes wear and restores lost engine performance
Increased protection against LSPI
Fortified with Zinc/Phosphorus anti-wear additive
Extended drain intervals
Exceptional oxidation stability

Search query: royal purple 15w40 diesel oil synthetic
Relevance: Substitute