Sales package, underbody shield

Years 1989–90, 1998–04, 2006–09 Models 5 Factory citations 17

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Also documented for Buick Chevrolet Oldsmobile

Documented applications

Envoy — GMT360 (2002–2009)

2002–2004, 2006–2009 Factory-verified

GM factory document — 2002 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2006 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2009 gmc envoy 4wd rpo code list, p.1.

Jimmy — second generation (1995–2001)

1998–2001 Factory-verified

1998–1999 lists read package, underbody shield

GM factory document — 1998 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Jimmy — first generation (1983–1994)

1989 Factory-verified

only in: 4WD; shields for fuel tank, transfer case, front differential and steering linkage; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1989 Chevrolet Blazer, p.18.

Sonoma — first generation (1982–1993)

1989–1990 Factory-verified

only in: 4WD; shields for fuel tank, transfer case, front differential and steering linkage (1990); 1989 from the joint data book's weight page; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1989 Chevrolet S 10, p.21.
GM Heritage factory kit — 1990 Chevrolet S 10, p.22.

Sonoma — second generation (1994–2004)

1998–2004 Factory-verified

1998–1999 lists read package, underbody shield. The 2002–2004 lists read as the 2000–2001 lists.

GM factory document — 1998 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2003 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2004 gmc sonoma pickup 4wd rpo code list, p.1.

This page aggregates every documented appearance of ZM5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.