Shayne,
The VIN number is not always the final word on getting parts. A few years ago I had the speed control cable from the control module to the throttle body break on my Ford chassis. I went to a Ford dealer with my VIN number and ordered a new cable. When it came in, it obviously was not the right part. Since my motor home is a 1993 on 1992 chassis, the Ford garage order a part for the 1993 model, even though it was not what the VIN number showed as the part number. When that cable came in, it again was not the right part. After conferring with two of the mechanics in the shop, they felt it probably was a 1991 part, so they ordered a cable for the 1991 model. That was the correct cable. Go figure! I have a 1993 motor home built on a 1992 chassis with at least some 1991 parts in it.
I had a similar problem when purchasing a replacement fuel filter. That was easily resolved since I was able to take the old filter in and the parts guy matched it to one in stock. The speed control cable was not a stock item, so they could not compare it to an item on the shelf.
So use your VIN number but carefully check the part that you receive to be certain it is correct.
Richard