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Heater core date code?

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11-04-2020, 12:55 AM

Big Block Bill Big Block Bill is offline

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Heater core date code

All of the Original GM Heater cores I have seen have been stamped on one of the side "Tanks" with the month (1 Digit) and the year (2 Digits). My LS-6 was a 03D Arlington built and it was stamped 3 70 A good radiator shop can re-core a heater core like a radiator. Bill

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