Mobil 1 122253 Diesel Truck Motor Oil, 5W-40, Case/6

Full synthetic heavy-duty performance engine oil that can help extend engine life while providing long drain capabilities Engineered with state-of-the-art technology to help deliver exceptional performance in modern low emission engines Meets or exceeds demanding specifications of major truck manufacturers, which means a single engine oil formulation can be used for mixed fleet operations Sold as a case of six 1 quart bottles Helps reduce low-temperature sludge buildup and high-temperature deposits