Regenerates engine seals made of rubber and plastic such as: E.g. shaft seals, valve stem seals and prevents oil stains under the vehicle. for All commercially available motor oils are suitable for petrol and diesel engines with and without diesel particulate filters (DPF). These costs are not included in the item price or shipping costs and must be borne by the buyer. Please check with your local customs authority about possible additional costs before purchasing. For deliveries to countries outside the European Union (third countries), additional customs duties, taxes, or other fees may apply. These charges are not included in the item price or shipping costs and must be paid by the buyer. Please check with your local customs office to determine what additional costs may apply before.