well thats just wrong info and typical of the aftermarket/used auto parts business, been through it before bro'
Or you could go to the Ford dealer and the parts guy says "yeah this'll work, 99-04 is the same"
Every ECU, PCM, whatever has the same model number because it says "99 GT w/ traction control". Im looking at my screen and im seeing different modules, with different ID numbers for every production year 99-04. Working at the parts counter at Ford, i would think you have seen or ordered ECU's where they come back because the last 2 digits do not match, but they are for the correct vehicle/engine. My job is based on comission, and that means i make sure the right part is handed out.
Marco, pull your existing one out and match every letter/number with whatever one you are buying. Or you can go to Ford and have them hand you and overpriced one because 99-04 Gt's are all "the same". Get the right one, dont bring one home and hope it works
Randy, im not doubting what you see on your end, but I see boatloads of ID numbers on every single year 99-04 GT right now. 1999 is only being shown, and 00+ isnt compatible
┌────────────────────────────── Interchange 1530 ──────────────────────────────┐
│ MUSTANG 99 Assm, 8 cyl, GT, hydraulic & electronic unit, w/t│
│ MUSTANG 00 Assm, 8 cyl (GT), hydraulic & electronic unit, w/│
│ MUSTANG 01 Assm, 8 cyl, GT, w/o Bullitt pkg; hydraulic & ele│
│ MUSTANG 02 Assm, 8 cyl (GT), hydraulic & electronic unit, w/│
│ MUSTANG 03-04 Assm, 8 cyl, GT, w/traction control │
│ MUSTANG 03-04 Assm, 8 cyl, Mach 1 │
├──────────────────────────────────────────────────────────────────────────────┤
│ Print Interchange Applications │
│ List Vehicles │
│ Exit