DME Number

I was wondering wut the part number for the DME relay is. Also, where is the place to get the cheapest one? ive seen em new for about 20 bucks, is there cheaper? Also, which relay is it? i see a few in the box but never know which one it is. Thanx. I hope the DME solves the problem.

I can get you the info on which DME relay, but you need to supply me with some info first.

year, model, turbo/na, all make a difference.