Selling Oil Pump in Jakarta. Oil Pump or oil pump is a type of pump that serves to suck the lubricating oil from the oil pan and press or distribute to the moving engine parts with the aim that the parts can be lubricated with oil. There is an oil pump that is driven by a crankshaft and some is driven by a shaft, as well as a timing belt and so on. Oil filter is installed at the oil pump inlet which is used to filter impurities from the oil. Oil pumps are often and commonly used on engines there are two kinds, namely gear and trochoid models.