Guards, front bumper, chromed

Years 1983–89 Models 4 Factory citations 19

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Also documented for Chevrolet

Documented applications

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

1983, 1984, 1986 Factory-verified

not with VE5; the 1985 book names V31 only in the VE5 exclusion (its bumper guard line has no code), so 1985 is left out (the Chevrolet K5 Blazer doc claims it from that remark); shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.17.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.11.

Sierra — Square body (1983–1991)

1984–1987 Factory-verified

shared platform code; cited from the square-body C/K pickup kits

GM Heritage factory kit — 1984 Chevrolet Truck, p.43.
GM Heritage factory kit — 1985 Chevrolet Truck, p.42.
GM Heritage factory kit — 1986 Chevrolet Truck, p.160.
GM Heritage factory kit — 1987 Chevrolet Truck, p.57.

Suburban — Square body (1983–1991)

1983–1989 Factory-verified

with rub strips; not with VE5; 1983–1985 and 1987 from the custom options feature pages; 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.18.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.35.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.15.

Vandura and Rally — Second generation G-series (1983–1996)

1983, 1984, 1986, 1988, 1989 Factory-verified

125 inch wheelbase; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1983 Chevrolet Vandura, p.15.
GM Heritage factory kit — 1984 Chevrolet G Van, p.16.
GM Heritage factory kit — 1986 Chevrolet G Van, p.23.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.19.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.

This page aggregates every documented appearance of V31 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.