1958 1969 Chevrolet VIN Decoder Results VIN Decoder Cowl Tag Decoder. A vehicle identification number VIN, can also be regarded to as a chassis number, is unique code, includes a serial number, usually used by an automotive industry. A vehicle identification number VIN is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed. Free Online Chevrolet VIN Decoder for Silverado, Cruze, Malibu, Corvette, Impala, Camero, Volt, Spark. Check your Chevy VIN number Checkdigit to see if your car. Decoding the VIN number Digit 1 Model Type. The VIN may be ten or eleven characters long. The letter V before the first digit is the eleventh character, and.