81U ✓ Factory-verified

GMC · Regular Production Option

Primary color, exterior, Cocoa Metallic

Years 2009 Models 2 Factory citations 2

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Also documented for BuickChevroletOldsmobilePontiacSaturn

Documented applications

Acadia — first generation, Lambda (2007–2017) →

• 2009 ✓ Factory-verified

  GM prints "(07)".

  ⛭ GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013) →

• 2009 ✓ Factory-verified

  The list marks it (07).

  ⛭ GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

This page aggregates every documented appearance of 81U in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.