SB4 ✓ Factory-verified

Cadillac · Regular Production Option

LPO, carbon fiber front splitter

Years 2027 Models 1 Factory citations 2

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Documented applications

Escalade IQ — Ultium BEV (2025–2027) →

• 2027 ✓ Factory-verified
  ⛭ GM factory document — 2027 cadillac all electric escalade iq fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 cadillac all electric escalade iql fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of SB4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.