K19 Factory-verified

Chevrolet · Regular Production Option

Air Injection Reactor (smog pump)

Years 1966–82 Models 7 Factory citations 9

Also described as Air injection reactor systemAir Injection Reactor EquipmentAir Injection Reactor (emissions)A.I.R. smog pumpAir Injection reactor (A.I.R.)Air Injection Reactor (A.I.R.) emissionsAir Injection Reactor

Documented applications

  • 1967 Factory-verified

    required in California

    GM Heritage factory kit — 1967 Chevrolet Camaro, p.7.
  • 1970s Confirmed
  • 1966–1967 Factory-verified
    GM Heritage factory kit — 1966 Chevrolet Chevelle, p.83.
    GM Heritage factory kit — 1967 Chevrolet El Camino, p.17.
  • 1972 Confirmed

    footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend)

  • 1966 Factory-verified

    $44.75; 2,380 built; required on California-delivered cars; absent from CAC's 1966 table but listed by CorvSport, CorvetteStory, Vette Vues, and the factory kit p.14

    GM Heritage factory kit — 1966 Chevrolet Corvette, p.14.
  • 1967 Factory-verified

    $44.75; 2,573 built; required on California cars

    GM Heritage factory kit — 1967 Chevrolet Corvette, p.57.
  • 1972 Factory-verified

    No separate charge listed; 3,912 built

    GM Heritage factory kit — 1972 Chevrolet Corvette, p.5.
  • 1966–1967 Factory-verified
    GM Heritage factory kit — 1966 Chevrolet Nova, p.6.
    GM Heritage factory kit — 1967 Chevrolet Nova, p.59.
  • 1966 Factory-verified

    California; new for 1966

    GM Heritage factory kit — 1966 Chevrolet Truck, p.8.
  • 1967–72 Confirmed

    California

This page aggregates every documented appearance of K19 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.