FORD 2005 Explorer v.2 - Manual (Page 308)

Transmission/Transaxle code designations
You can find a transmission/transaxle code on the vehicle certification
label. The following table tells you which transmission or transaxle each
code represents.
Code Description
V Five-speed automatic (5R55S)
2005 Explorer (exp)
Owners Guide (post-2002-fmt)
USA_English (fus)
Maintenance and Specifications
308