They cite detergent systems and premium antioxidants and cleaning detergents that fight deposits and sludge, helping keep engines cleaner and reducing deposit-related wear.
They’re described for hybrid and gasoline engines; many oils also target gasoline and diesel engines (including turbocharged and GDI types). The fuel treatment is presented for both gasoline and diesel engines, and for carbureted or fuel‑injected systems.
They state the oils include premium seal conditioners that restore flexibility to hardened or shrunken seals, help maintain proper oil pressure, reduce oil consumption, and help prevent or reduce leaks in high‑mileage engines.
