Molding package, custom

Years 1983–88 Models 2 Factory citations 10

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Also documented for Chevrolet

Documented applications

Jimmy (full-size) — Square body (1983–1991)

1983–1986 Factory-verified

includes B84 black body side moldings and wheel opening moldings; included with ZY3 and ZY5; the 1984 page prints YGI; shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1983 Chevrolet Blazer, p.10.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.18.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.12.

Suburban — Square body (1983–1991)

1983–1988 Factory-verified

includes B84 black body side moldings, B96 wheel opening moldings and bright lamp trim; included with ZY3 and ZY5; 1983–1987 from the custom options feature pages; the kit pages also print YGI; shared square-body platform code; cited from the Chevrolet Suburban kit

GM Heritage factory kit — 1983 Chevrolet Suburban, p.25.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.29.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.29.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.30.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.35.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.18.

This page aggregates every documented appearance of YG1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.