U58 Factory-verified

GMC · Regular Production Option

Radio, AM/FM stereo

Years 1983–87 Models 5 Factory citations 19
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Also documented for Chevrolet

Documented applications

  • 1983–1985 Factory-verified

    Shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits

    GM Heritage factory kit — 1983 Chevrolet El Camino, p.6.
    GM Heritage factory kit — 1984 Chevrolet El Camino, p.6.
    GM Heritage factory kit — 1985 Chevrolet El Camino, p.12.
  • 1983–1986 Factory-verified

    only with YE9; 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.19.
    GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12.
    GM Heritage factory kit — 1986 Chevrolet Blazer, p.13.
  • 1984–1987 Factory-verified

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

    GM Heritage factory kit — 1984 Chevrolet Truck, p.46.
    GM Heritage factory kit — 1985 Chevrolet Truck, p.44.
    GM Heritage factory kit — 1986 Chevrolet Truck, p.157.
    GM Heritage factory kit — 1987 Chevrolet Truck, p.59.
  • 1983–1987 Factory-verified

    shared square-body platform code; cited from the Chevrolet Suburban kit

    GM Heritage factory kit — 1983 Chevrolet Suburban, p.17.
    GM Heritage factory kit — 1984 Chevrolet Suburban, p.23.
    GM Heritage factory kit — 1985 Chevrolet Suburban, p.20.
    GM Heritage factory kit — 1986 Chevrolet Suburban, p.21.
    GM Heritage factory kit — 1987 Chevrolet Suburban, p.26.

This page aggregates every documented appearance of U58 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.