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Engine Identification

For quick identification, refer to the safety certification decal.

Engine Code Information Label 

The engine code information label, located on the front side of the valve cover, contains the following:

GFD91792Courtesy of FORD MOTOR COMPANY
Item Description
1 Engine part number
2 Engine plant (Cleveland)
3 Engine displacement
4 Engine configuration
5 Duratech 3.5L GTDI
6 Bar code
7 Bar code
8 Running number
9 Engine build date (DDMMYY)
10 Plant shift line
11 Derivative code

Engine Cylinder Identification 

GFD91385Courtesy of FORD MOTOR COMPANY