IB4 ✓ Factory-verified

Pontiac · Regular Production Option

Trim, interior design (B4) (99)

Years 2008 Models 1 Factory citations 1

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Also documented for Buick

Documented applications

G6 — Epsilon / GMX381 (2005–2010) →

• 2008 ✓ Factory-verified
  ⛭ GM factory document — 2008 pontiac g6 rpo code list, p.1.

This page aggregates every documented appearance of IB4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.