Suitable for all petrol and diesel engines with or without a diesel particulate filter dpf can be mixed with all commercial engine oils 1 l enough for around 15 l of engine oil sealing action after 600 800 km for professionals only oil loss stop regenerates rubber and plastic engine seals e g shaft seals and valve stem seals reduces oil consumption through piston rings due to its uniform viscosity and through valve guides by regenerating the seals suitable for all gasoline and