Model conversion, up level version

Years 2005–08 Models 1 Factory citations 4

Also documented for Buick Pontiac Saturn

Documented applications

Uplander (2005–2008)

2005–2008 Factory-verified

GM prints Y9I with a letter I and Y91 with a digit one, a different part, so both stay; the 2008 list reads Model Conversion Package, Luxury Edition

GM factory document — 2005 chevrolet uplander rpo code list, p.1.
GM factory document — 2006 chevrolet uplander rpo code list, p.1.
GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.

This page aggregates every documented appearance of Y9I in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.