MU4 ✓ Factory-verified

Pontiac · Regular Production Option

Transaxle, 4 speed automatic

Years 2003–08 Models 1 Factory citations 2

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Documented applications

Vibe — First generation (2003–2008) →

• 2003–2008 ✓ Factory-verified
  ⛭ GM factory document — 2003 pontiac vibe awd rpo code list, p.1.

  ⛭ GM factory document — 2008 pontiac vibe fwd rpo code list, p.1.

This page aggregates every documented appearance of MU4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.