F 450 2WD Super Duty V8-5.4L SOHC VIN L (2003)
Fluid - A/T: Fluid Type Specifications
Transmission Fluid Type
4R100 ................................................................................................................................................................................................................ MERCON V
4R70W ............................................................................................................................................................................................................. MERCON V
MERCON ATF is being replaced by MERCON V ATF as a service fluid, per TSB 06-14-4.