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Decoding engine serial numbers
Decoding engine serial numbers











The assembly plant code is a combination of two codes, a letter representing the assembly plant location and a sequence number. Example: 1062DF can be identified as a Bel Air 4 door wagon. A “D” as the first letter represents a Bel Air Series model while an “F” in either location represents a station wagon model. Note: Up to two letters can also be found after the four numbers. The last two numbers represent the bodywork style of the vehicle. Within this code, the first two numbers represent the Series Identification – “10” for 210 or Bel Air, "12” indicating 150 Series. The second set of digits in the style number code represents the style of the vehicle’s bodywork. The cowl tag provides invaluable information to the car’s original paint color, interior color and material, and the location of the plant at which the vehicle was built.Īs with the VIN, these two digits represent the model year of the vehicle. The plates represented a vehicle’s most basic body characteristics from Fisher Body, the coachworks contracted to build vehicles for Chevrolet Motor Division. The trim tag, also known as the cowl tag, is attached to the right hand side of the cowl panel under the hood. Each plant used their own unique sequence numbers. This six digit long sequence began with “001001” in 1955-56, while in 1957 the sequence began with “100001”. The production number sequence represents the basic serial number given at the assembly plant. sequence is the Series and Model Identification digit. Models originally equipped with a 6 cylinder engine did not feature this “V” at the beginning of the V.I.N. In addition to the Series and Model Identification letter, models equipped with a V8 from the factory will contain a “V” before the Series and Model ID. Just look on the left front door hinge pillar post for a VIN plate that resembles the graphic above, and use the information below to decode it. Unlike our Firebird / Trans Am VIN decoder or our Nova VIN decoder, which span multiple generations with different vehicle identification number formats, the 1955-57 Chevy VIN decoder is very simple. Read on to learn how to use our 1955-57 Chevy VIN decoder and trim tag decoder to find out more about your own '55-57 Chevy, or one you're thinking about buying and restoring.

decoding engine serial numbers

These two pieces of metal were riveted onto the body of all Tri-Five Chevy vehicles, and each provides some valuable information on the way they looked when they left the GM assembly line back in the 1950s. If you've ever seen a 1955-57 Chevy classic car and wondered what its original specifications were, there's one way to find out for certain: examine the VIN plate and the trim tag.













Decoding engine serial numbers