Phillips 66 Guardol NG-D (15-40) [1-gal./3.79-Liter. Jug] 1086292

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Phillips 66® Guardol NG-D is a high-quality, dispersant-detergent engine oil specially designed for use in vehicular natural gas and diesel engines. It is formulated with optimal levels of anti-wear additives to meet the enhanced wear protection requirements of diesel engine platforms as well as engines converted to natural gas service. It is particularly recommended for use in transit buses, school buses, delivery trucks and other vehicles equipped with Cummins, Detroit Diesel, Volvo or converted CNG engines. Guardol NG-D is formulated to provide outstanding oxidation and nitration resistance to offer extended drain interval potential. It minimizes the formation of sludge and deposits for good engine cleanliness, and protects against valve stem deposits and valve seat recession, resulting in reduced maintenance and extended engine life. It also has good resistance to foaming and aeration.

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