Color combination, lower accent, two tone

Years 1983–88, 1998–00, 2003–04 Models 5 Factory citations 19

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Also described as Color combination, two-tone, lower accentColor combination, sport two-tone

Also documented for Buick Chevrolet Oldsmobile Pontiac

Documented applications

Envoy — GMT360 (2002–2009)

2003, 2004 Factory-verified

GM factory document — 2003 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2004 gmc envoy xuv rpo code list, p.1.

Jimmy — second generation (1995–2001)

1998–2000 Factory-verified

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.

Jimmy — first generation (1983–1994)

1984–1988 Factory-verified

included with YC3; 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 — 1984 Chevrolet S 10 Blazer, p.5.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.13.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.6.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.42.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.8.

Sonoma — first generation (1982–1993)

1983–1988 Factory-verified

1986–1987 from the B84 molding price lines with ZY7; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1983 Chevrolet S 10, p.34.
GM Heritage factory kit — 1984 Chevrolet S 10, p.13.
GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
GM Heritage factory kit — 1986 Chevrolet S 10, p.16.
GM Heritage factory kit — 1987 Chevrolet S 10, p.23.
GM Heritage factory kit — 1988 Chevrolet S 10, p.30.

Sonoma — second generation (1994–2004)

1998–2000 Factory-verified

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.

This page aggregates every documented appearance of ZY7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.