Motor Oil, Professional Series, 5W40, Diesel, Synthetic, 1 gal Bottle, Set of 3 Red Line Professional Series 5W40 Diesel Motor Oil is a full synthetic, OEM-certified formula designed for use in newer low-emission diesel engines as well as older diesel applications equipped with exhaust after-treatment devices operating under extreme temperature conditions.
FULL SYNTHETIC -- OEM-required Group III/Group IV PAO Base Stocks
Lower volatility for reduced oil consumption
Long-life certification for improved wear protection following factory drain intervals