Royal Purple Duralec Super Diesel Motor Oil

Royal Purple Duralec Super diesel motor oil is a high performance engine oil made for emission-controlled diesel engines utilizing emissions equipment such as: DPF's, catalytic converters, EGR, and SCR injection. It is specifically formulated to maximize component life, extend drain intervals, and improve fuel performance. As a premium synthetic formulation, Royal Purple Duralec Super has excellent high-temperature break-down resistance and low-temperature pump ability to minimize cold induced startup wear. Duralec's stable additive package has good soot dispersancy to protect against oil thickening and abrasive wear, while providing rust and corrosion protection, as well as helping to prevent varnish and sludge formation. Show Less