"油品分输器" can be translated as "Oil Product Distributor" or "Oil Distribution Device" in English, depending on the specific context and intended use.
"Oil Product Distributor" emphasizes the function of distributing oil products.
"Oil Distribution Device" is a more general term that refers to any device used for distributing oil.
If the device is specifically designed for splitting or dividing the flow of oil products into different channels or outputs, "Oil Product Splitter" or "Oil Flow Divider" could also be appropriate translations.
Choose the term that best fits the technical context and intended meaning.