Castrol HD 40 Motor Oil is a premium monograde oil that is engineered for greater protection against thermal breakdown. It is suitable for use in automotive gasoline engines where the manufacturer recommends an API SP or earlier specification SAE 40 monograde lubricant.
Provides maximum wear protection in warm climates.
Use HD 40 when ambient temperature is above 60°F/ 16°C.
Meets:
API SP
Castrol HD 40 Motor Oil is a premium monograde oil that is engineered for greater protection against thermal breakdown. It is suitable for use in automotive gasoline engines where the manufacturer recommends an API SP or earlier specification SAE 40 monograde lubricant.
Provides maximum wear protection in warm climates.
Use HD 40 when ambient temperature is above 60°F/ 16°C.