Chassis package, high stance 4x2

Years 1983–84, 2004 Models 2 Factory citations 3

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Also described as Body, removable hardtop, black

Also documented for Chevrolet

Documented applications

Canyon — GMT355 (2004–2012)

2004 Factory-verified

GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.

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

1983, 1984 Factory-verified

body ordering code of the K10516 utility with a black top; shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1983 Chevrolet Blazer, p.1.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.10.

This page aggregates every documented appearance of Z59 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.