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1925–1942 car-number plate decoding
Antique Chevrolet Serial Number Decoder and Registry
Long before the standardized VIN, Chevrolet used factory car-number plates that combined an assembly-plant code, model/series designation and sequential number. PetrolJunky now recognizes reviewed U.S. systems from the Superior K era through Chevrolet’s final prewar civilian production.
Decoder coverage: 1925–1942
1925–1931 plant/series/sequence car numbers 1932–1941 plant/series/month/sequence format Passenger and light-commercial series Body-style ambiguity retained when necessary
Decoder reference
What this decoder page is designed to answer.
1925–1931 uses plant plus factory series
Examples such as 3K76981 and 1AB104954 identify the assembly plant, Chevrolet series and individual sequence. The series codes progress through Superior K and V, AA Capitol, AB National, AC International, AD Universal and AE Independence. Several early codes covered both passenger and light-commercial bodies, so PetrolJunky intentionally leaves the exact body broad when the car-number plate cannot prove it.
1932–1941 adds the assembly month
From the reviewed 1932-era format, a two-digit month sits between the factory series and sequence. Codes such as BA, EA and AG identify Confederate, Master De Luxe and related model families, while truck series such as KC or AK can be recognized from the same historical plate logic.
Antique identification is conservative by design
Early Chevrolet titles sometimes use an engine number instead of the removable car-number plate. PetrolJunky decodes the reviewed car-number format when it is present but does not pretend a body job, engine serial or later replacement title number is the same field.
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Common questions
Prewar / Antique Chevrolet VIN decoder questions
Is an antique Chevrolet car number always the same as the number on the title?
No. Some states historically titled early Chevrolets by engine number, while the factory car-number plate could be removable. PetrolJunky decodes the reviewed factory car-number format, not an arbitrary title number.
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