mark VII pre-soak

got a 1998 mark VII during this last bit of cold weather our heaters broke and everything froze... we were lucky that our big cat pump was not hurt but the presoak pump has a small crack in it. I am still able to was cars it leaks a little does anyone know if i can buy just the bottom section of the pump?

Mark VII used to use WW Grainger pumps in all there machines so my best guess is if it is a teel pump you will need to check for the pump model # and then check with Grainger. They have a website.