CD4 ✓ Factory-verified

Chevrolet · Regular Production Option

Intermittent (pulse) windshield wipers

Years 1970–82 Models 4 Factory citations 3

Also described as Intermittent windshield wipersPulse (intermittent) wipersIntermittent windshield wiper

Documented applications

Camaro →

• mid-1970s–1981 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1981 Chevrolet Camaro, p.12.

Corvette (C3) →

• 1978 ◑ Single-source

  No price/count listed

Nova / Chevy II →

• 1975–1979 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1975 Chevrolet Nova, p.151.

  ⛭ GM Heritage factory kit — 1979 Chevrolet Nova, p.9.

C/K Trucks →

• 1970s–82 ● Confirmed

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This page aggregates every documented appearance of CD4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.