The average cost to replace an oil pump ranges from $300 to $600, as of 2015. The cost of purchasing a new oil pump is between $100 and $300, depending on the vehicle, while the cost of labor ranges from $200 to $300.
The quality of other components, such as the oil filter, pan gasket or pump gasket, can affect the overall cost of replacing the oil pump. These components must be in working condition when replacing an oil pump. Replacing an oil pump is an extensive job that generally takes more than an hour, which is important for estimating the cost of labor.