D4179 Avi | Gm

The subject appears to be a technical code or part number, most likely associated with General Motors (GM) engineering standards or automotive component specifications .

In the world of General Motors, codes beginning with followed by a series of numbers typically refer to Engineering Standards or Material Specifications . These documents dictate the exact physical and chemical properties that a part must meet before it can be used in vehicle production. GM D4179 avi

Providing more context on where you encountered the code will help narrow down its exact application. The subject appears to be a technical code

If you are looking at a file named GM_D4179.avi , you are likely viewing . This could be: GM D4179 avi