Premium Monograde Oil
Castrol HD 40 is a premium monograde oil engineered for greater protection against thermal breakdown.
It exceeds performance in gasoline/ naphtha and gas NGV/CNG passenger cars and gasoline/ naphtha light trucks where an SM, SL or SJ performance is recommended.
- Provides maximum wear protection in warm climates
- Use HD 40 when ambient temperature is above 60ºF/ 15ºC