Water pump

[bc69]

 would anybody mind telling me the correct casting number for a 67 L48 water pump
And range of accepted date code?

[bc69]

Oh and it's a 67 12c car

[1968RSZ28]

Would anybody mind telling me the correct casting number for a 67 L48 water pump
And range of accepted date code?

CBTN says 3782608.  Anywhere from a week to a month or two prior to the engine assembly date stamped on the pad is typical.

Paul