- 2003–2009 Factory-verified
VFD Factory-verified
Documented applications
- 2006 Factory-verified
the 2006 list reads "tubular stainless steel", as for VFV; GM's other lists read "tubular";
This page aggregates every documented appearance of VFD in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.