Castrol Heavy Duty Motor Oils are premium monograde oils formulated to offer maximum protection against thermal breakdown. You can drive confidently in warmer temperatures if you are using this engine oil. Castrol Motor Oil HD 30 is suitable for use in automotive gasoline engines where the manufacturer recommends an API SP or earlier specification SAE 30 monograde lubricant.
Features & Benefits
Offers maximum wear
protection in warm climates
Recommended using HD 30
when the ambient temperature is above 40°F/ 4°C