ok i was pulling the thermostate the other day. i was loosening the filler neck bolts to get to the therm. and on of the bolts broke. in the process of trying to remove the filler neck we broke the housing to which it bolts to. what should i order for a part? what is this part called? the water pump housing? the thermostate housing? anyhelp would be great. and does anyone know a good website where i could purchase sucha a part. thanks
Dom

 

Sounds like the water pump housing, but as for the "official" nomencature, got me...

Mazda dealer, of course, although Mazdatrix and some other vendors might have them...

 

water pump housing will have to be replaced