K46 ✓ Factory-verified

Chevrolet · Regular Production Option

Air cleaner pre-cleaner

Years 1963–82 Models 2 Factory citations 2

Also described as Air cleanerHeavy-duty air cleaner

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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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.