Ac delco waterpump is this the correct part and what surprises should I look out for.

[Blueberryyum02]

Have anyone used this water pump before?

ACDelco 252-800 Water Pump Assembly


Mines is leaking from the underside which leads me to believe the bearings is going bad, this pump comes with metal impellers, does it move the required amount of fluid, like the motorcraft one.