1 ✓ Factory-verified

Cadillac · Regular Production Option

AM/FM stereo radio

Years 1965–68 Models 1 Factory citations 2

Also described as Optional 3.21 rear axle (non-A/C)

Documented applications

DeVille / Calais →

• 1965 ✓ Factory-verified

  All

  ⛭ GM Heritage factory kit — 1965 Cadillac VVI, p.153.
• 1966 ✓ Factory-verified

  All

  ⛭ GM Heritage factory kit — 1966 Cadillac VVI, p.71.
• 1967–68 ● Confirmed

  Not Series 75

This page aggregates every documented appearance of 1 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.