Epoxy should work fine, but I doubt that the plastic used in this
fitting can be "welded" with super glue.  Bars Leaks sells the solid
type two part epoxy for this application, and epoxy is epoxy.
http://www.barsleaks.com/Cooling_System/cooling_system.html

Stebbins wrote:
>
> I may have to use some HOUSEHOLD epoxy or super glue on the
> coolant diversion block (distribution unit).  Does anyone
> know if household (2 part) expoy or household super glue
> will tolerate the temperatures of the coolant system?
> Thanks,  Malcolm

--
Stuart MacMillan
Seattle

'84 Vanagon Westfalia w/2.1
'65 MGB (Daily driver since 1969)
'74 MGB GT (Restoring sloooowly)

Assisting on Restoration (and spending OPM):
'72 MGB GT (Daughter's)
'64 MGB (Son's)

Stripped and gone but their parts live on:
'68 MGB, '73 MGB, '67 MGB GT