91U ✓ Factory-verified

GMC · Regular Production Option

Primary color, exterior, Arrival Blue

Years 2003 Models 1 Factory citations 1

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Also documented for CadillacChevrolet

Documented applications

Yukon — GMT800 (2000–2006) →

• 2003 ✓ Factory-verified

  the list prints the marker (03)

  ⛭ GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of 91U in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.