Yes...There is a sticker on the mother board near the connector surface...and it is a part number. Unfortunatly, the number is for the 1976 2.0l. The 1973??? ECU did not have the sticker. The mystery of My 73 2.0l continues...I have found a reciept from the PO indicating that a used ECU was purchased and installed. The reciept indicates the the unit is a CU-13x. I think that is a number to designate the unique 73 ECU...
So, Like indicated before..some will have the sticker...others may not...
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