- 2005–2008 Factory-verified
LT is a trim the NICB VIN manuals print for the Uplander; the 2005 and 2006 lists read Merchandised Pkg - LT
Y4T Factory-verified
Also described as Merchandised package, LT
Documented applications
- 1999, 2000, 2003, 2005 Factory-verified
the 1999–2000 lists call it LT content; the 2003 and 2005 order guides call it the LT Model Package
GM Heritage factory kit — 2003 Chevrolet Venture, p.97.GM Heritage factory kit — 2005 Chevrolet Venture, p.88.
This page aggregates every documented appearance of Y4T in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.