Air cleaner, pre-cleaner

Years 1963–89 Models 7 Factory citations 23

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Also described as Air cleanerHeavy-duty air cleanerAir cleaner pre-cleaner

Also documented for GMC

Documented applications

Impala / Full-Size

1963–70s (varies) Single-source

H.D. pre cleaner

C/K Trucks

1965–66 Factory-verified

GM Heritage factory kit — 1965 Chevrolet Truck, p.19.
GM Heritage factory kit — 1966 Chevrolet Truck, p.24.
1973–82 Confirmed

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Blazer (full-size, K5) — Square body (1983–1991)

1983–1986 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.11.

S-10 Blazer — First generation (1983–1994)

1985–1988 Factory-verified

only with the 2.8L V6

GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.14.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.7.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.43.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.7.

C/K pickup — Square body (1983–1991)

1986, 1987 Factory-verified

not with the L25 4.8L

GM Heritage factory kit — 1986 Chevrolet Truck, p.160.
GM Heritage factory kit — 1987 Chevrolet Truck, p.56.

S-10 pickup — First generation (1982–1993)

1985–1988 Factory-verified

only with the 2.8L V6; discontinued for 1989 (the 1989 what's-new page)

GM Heritage factory kit — 1985 Chevrolet S 10, p.22.
GM Heritage factory kit — 1986 Chevrolet S 10, p.14.
GM Heritage factory kit — 1987 Chevrolet S 10, p.21.
GM Heritage factory kit — 1988 Chevrolet S 10, p.21.

Suburban — Square body (1983–1991)

1983–1989 Factory-verified

with L19 requires a 3.73 axle on the R20/2500 (1988–1989)

GM Heritage factory kit — 1983 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.24.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.15.

This page aggregates every documented appearance of K46 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.