Fits 2003 IC Corporation 3800. Part Type: Serpentine Belt. 2003 IC Corporation 3800 Engine: 7.3L V8; with 126-1/2in Long Belt; Position: Main Drive;. Position: Main Drive. V-RIBBED BELT. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.