The typical cost to have someone replace a water pump ranges from $300 to $750 for labor and parts as of 2015, according to CostHelper Cars. The national average for total replacement cost is between $291 and $394, according to RepairPal
The cost for the actual pump is normally around $50 to $100, reports CostHelper Cars. The labor is more expensive, typically ranging from $200 to $450. The make and model of the vehicle and the level of difficulty in reaching and removing the water pump impact the pricing. RepairPal reports an average labor cost ranging from $258 to $327 and an average part cost of $33 to $67 before taxes.