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C3 Corvette Birthday Calculator

Discover when your C3 Corvette rolled off the assembly line! Our calculator estimates the production date of any 1968-1982 Corvette using just its VIN number.

Want to know when your C3 Corvette first hit the road? Our C3 Corvette Birthday Calculator lets you estimate the production date of any 1968-1982 Corvette using just its Vehicle Identification Number (VIN). By decoding key details from the VIN, this tool provides an approximate birthday—the date your C3 Corvette rolled off the assembly line. Whether you're a collector, enthusiast, or just curious about your Vette's origins, finding out its special day has never been easier!

To Calculate your C3's birthday:

Enter the VIN number of the C3 Corvette for which you'd like know its Birthday below, then click "Submit" (1968-1982 only)

Please note that we do NOT store the VIN. It is only used to calculate the birthday.
Your C3 Corvette Birthday Report:
VIN: 1Z37J4S437131
Model Year: 1974
Build Sequence Number: 437131
Build Year: 1974
Build Month Code: N (September)

Your approximate Build Date (Birthday) is: September 27, 1974, based on your sequence number.

The Build Month Code (N) should match the code found on your Trim Tag.
And the day of the month (27) should also match (or be really close) to that found on your Trim Tag.
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