G ✓ Factory-verified

Cadillac · Regular Production Option

Controlled differential

Years 1961–68 Models 1 Factory citations 4

Documented applications

DeVille / Calais →

• 1961–62 ✓ Factory-verified

  New for 1961

  ⛭ GM Heritage factory kit — 1961 Cadillac VVI, p.129.

  ⛭ GM Heritage factory kit — 1962 Cadillac VVI, p.150.
• 1963 ● Confirmed

  All

• 1964 ● Confirmed

  All

• 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

  All

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