GM AC Delco 15W-40 Diesel Motor Oil - 1 qt ( 2001-2018)**

GM- AC Delco Diesel Motor Oil is specially formulated to operate in varying climates under varying loads and service conditions. This motor oil helps to reduce engine wear on your GM vehicle and is specially formulated to protect emission control systems and control piston deposits and oil consumption while complying with emission standards. This motor oil offers excellent soot dispersion to protect against soot-induced oil thickening and abrasive wear and excellent oxidation resistance to help minimize deposit formation. The low-ash formulation protects exhaust catalysts on low-emission engines and helps prolong DPF life. AC Delco Diesel Motor Oil meets the performance requirements of API Service Category CJ-4 and is approved under the latest OEM specifications for use in low-emission diesel engines. This motor oil is backward serviceable for use where earlier API ‘C’ category engine oil, or the concurrent earlier OEM specifications, are specified.