You can’t buy better protection for your hard-working diesel truck than AMSOIL synthetic motor oil. Whether you want the fuel economy benefits and ultra-cold temperature protection of a diesel-formulated 5W-30 or the tried-and-true protection of a 15W-40, you just can’t beat AMSOIL synthetic motor oils for diesel and commercial vehicles.

RECOMMENDED PRODUCTS:    Premium API CJ-4 Synthetic 5W-40 Diesel Oil The premium choice diesel oil for model-year 2007 and newer heavy-duty and pickup truck diesel engines requiring API CJ-4 emission-quality oil standards. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil. click for more information

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