Q4B ✓ Factory-verified

Cadillac · Regular Production Option

GVW rating, 6200 lbs

Years 1999–00 Models 1 Factory citations 2

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Also documented for BuickChevroletGMCOldsmobile

Documented applications

Escalade — GMT400-based, GMT435 (1999–2000) →

• 1999–2000 ✓ Factory-verified
  ⛭ GM factory document — 1999 cadillac escalade rpo code list, p.1.

  ⛭ GM factory document — 2000 cadillac escalade rpo code list, p.1.

This page aggregates every documented appearance of Q4B in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.