Window package, rear doors

Years 1986, 1998–02, 2006–10, 2014–18, 2022–27 Models 4 Factory citations 21

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Also described as Window package, rear door

Also documented for Chevrolet

Documented applications

Safari — First generation (1985–1994)

1986 Factory-verified

cargo van glass in the rear panel doors; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.13.

Safari — Second generation (1995–2005)

1998–2001 Factory-verified

1998 list reads "Window Package: Rear Doors".

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.
GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

2001–2002 Factory-verified

GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2006–2010, 2014–2018, 2022–2027 Factory-verified

the 2025–2027 guides read Glass, rear doors; O on all trims; in the 2025–2027 guides only in the Cargo guides

GM factory document — 2006 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.20.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.18.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.18.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.9.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.18.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.15.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.14.
GM factory document — 2025 gmc savana cargo fleet order guide, p.26.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.14.
GM factory document — 2026 gmc savana cargo fleet order guide, p.28.
GM factory document — 2027 gmc savana cargo fleet order guide, p.25.

This page aggregates every documented appearance of ZW2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.