ZPO ✓ Factory-verified

GMC · Regular Production Option

Tire, spare, P245/70R17-108S WOL TL ST ALS

Years 2009 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

Sierra — GMT900 (2007–2013) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

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