Shock absorbers, front, quad

Years 1983–90 Models 3 Factory citations 11

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Also documented for Cadillac Chevrolet

Documented applications

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

1984, 1986 Single-source

includes heavy duty rear shocks and a front axle bumper; 1984 rests on the Chevrolet-only 1984 order guide pages (the joint price page prints 275 and names Z75 otherwise only in the F60 spring price lines), so the row is single-source; the 1983 and 1985 option lines print 275 and those pages otherwise name Z75 only in the F60 spring price lines, so 1983 and 1985 are left out (the Chevrolet K5 Blazer doc claims them from those price lines); the 1990 and 1991 pages print 775 and 275, so those years are left out; shared square-body platform code; cited from the Chevrolet Blazer kit

GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.13.

Sierra — Square body (1983–1991)

1986 Factory-verified

shared platform code; cited from the square-body C/K pickup kits; only in: 4WD 10 and 20 series regular cab; includes heavy duty rear shocks and a front axle bumper; the 1984, 1985 and 1987 pages name Z75 only in spring and stabilizer price lines, which do not date a year

GM Heritage factory kit — 1986 Chevrolet Truck, p.157.

Suburban — Square body (1983–1991)

1983–1990 Factory-verified

only in: K/V models; includes heavy duty rear shocks and a front axle bumper; 1983–1988 from the F60 spring price lines with Z75 (the option lines print 275); 1991 is left out: the Chevrolet-only 1991 page names Z75 only in the F60 remark; shared square-body platform code; cited from the Chevrolet Suburban kit

GM Heritage factory kit — 1983 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.20.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.20.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.27.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1990 Chevrolet Suburban, p.19.

This page aggregates every documented appearance of Z75 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.