A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil is a high-performance light and heavy-duty diesel engine oil recommended by Ford Motor Company. It is particularly recommended for use in Ford vehicles equipped with Power Stroke® engines as in truck, bus, construction and other heavy-duty diesel engine applications. It meets API Service Category CJ-4, required for use in diesel engines designed to meet 2007 on-highway exhaust emission standards and requiring ultralow sulfur diesel fuel. Do not use in gasoline engines equipped with catalysts. Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil is a high-quality diesel engine oil formulated with synthetic base oils and unique additive technology. It satisfies the warranty requirements of Ford Motor Company as well as most other domestic and import diesel engine manufacturers. Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil is designed for new generation, low emission diesel engines providing excellent soot control, protection against wear, deposits, rust and corrosion, foaming, sludge formation, high temperature oxidation and thickening, as well as protecting exhaust aftertreatment systems such as particulate filters. It also provides excellent performance in older-generation diesel engines operating on high-sulfur fuel. Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil can be used in older engines where the manufacturer recommended API Categories CD, CF-4, CG-4, CH-4, CI-4 and CI-4plus. Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil is recommended for use in Powerstroke® diesel engines over a wide temperature range, from -20 °F (-29 °C) to over 100 °F (38 °C).