B4H ✓ Factory-verified

Cadillac · Regular Production Option

Modification, noise control, export

Years 2004–09 Models 3 Factory citations 4

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Also documented for ChevroletGMCHummer

Documented applications

Escalade EXT — GMT900 (2007–2013) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 cadillac escalade ext rpo code list, p.1.

Escalade — GMT900 (2007–2014) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 cadillac escalade rpo code list, p.1.

XLR — Y-body (2004–2009) →

• 2004–2009 ✓ Factory-verified
  ⛭ GM factory document — 2004 cadillac xlr rpo code list, p.1.

  ⛭ GM factory document — 2009 cadillac xlr rpo code list, p.1.

This page aggregates every documented appearance of B4H in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.