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Improved fuel economy. Reduce fuel costs without sacrificing engine protection and performance. Cold temperature. Improved starts, compared to HD 15W-40. Enhanced friction reduction. MAG 1® provides a very strong oil film to prevent metal-to-metal contact between rotating parts, delivering up to 53% better wear protection. Unsurpassed wear protection. The latest generation API CK-4 MAG 1® engine oils provide increased protection against harmful engine and bearing wear due to cavitation, because they improve oil aeration. Better oxidation and deposit control. FMX® Technology stands up to high heat and stress to protect as well on the last day as it does on the first day. Up to 83% better oxidation control and 63% better deposit control. Formulated with higher starting TBN (10). Provides added oxidation control and protection against acid buildup that can cause rust and corrosion. Meets or exceeds the requirements of OEMs. Backward compatible with diesel engines in which the API CJ-4, CI-4 Plus and CH-4 service categories are recommended.
$797.59