Genuine Ford Fluid XO-10W30-QSD SAE 10W-30 Super Duty Diesel Motor Oil - 1 Quart Bottle High-quality diesel engine oil formulated with premium hydro processed base oils and unique additive technology It satisfies the warranty requirements of Ford Motor Company, as well as most diesel engine manufacturers Designed for new generation of low emission diesel engines providing excellent soot control, protection against wear, as well as protecting exhaust after treatment systems such as particulate filters Can be used in older engines where the manufacturer recommended API categories CD, CF-4, CG-4, CH-4, CI-4 and CI-4 plus Recommended for use in 7.3L, 6.4L and 6.0L power stroke diesel engines from 0F (-18C) to 50F (10C) and 6.7L power stroke diesel engines above 0F (-18C)