Color combination, custom two-tone

Years 1969, 1971, 1985–88, 1990 Models 6 Factory citations 8

Also described as Tax status — taxableTaxable Status (1969 Fremont El Camino 1971 Baltimore Malibu Sport Coupe)Color combination, custom two tone

Also documented for GMC

Documented applications

Camaro

1969 Single-source

via HI window sticker

Chevelle / El Camino

1969, 1971 Confirmed

footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend)

Astro — First generation (1985–1994)

1990 Factory-verified

GM Heritage factory kit — 1990 Chevrolet Astro Van, p.7.

S-10 Blazer — First generation (1983–1994)

1988 Factory-verified

dual-tone body striping; the 1985–1987 kits print ZY6 only in cross-references and stripe chart headings

GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.8.

C/K pickup — Square body (1983–1991)

1985, 1987 Factory-verified

GM Heritage factory kit — 1985 Chevrolet Truck, p.34.
GM Heritage factory kit — 1987 Chevrolet Truck, p.77.

S-10 pickup — First generation (1982–1993)

1985–1988 Factory-verified

GM Heritage factory kit — 1985 Chevrolet S 10, p.20.
GM Heritage factory kit — 1986 Chevrolet S 10, p.12.
GM Heritage factory kit — 1987 Chevrolet S 10, p.19.
GM Heritage factory kit — 1988 Chevrolet S 10, p.30.

This page aggregates every documented appearance of ZY6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.