Welcome to DataTagDecoder.Com!
This website was built out of a need for a simple and accurate platform for decoding General Motors cowl tags We have made our best effort for accuracy and usefulness of DataTagDecoder.Com. All data was collected and compiled from commonly referenced material in print, General Motors internal documents, as well as respected websites. Although there are a lot of printed and online references, DataTagDecoder.Com is the only online decoder available for all makes and models (except trucks) of GM from 1964 to 1972.
This information is provided as guidance Only. Use this information at your own risk! This site is not affiliated with General Motors or it's affiliates or divisions. All trademarks are property of their respective owners.