Z66 ✓ Factory-verified

GMC · Regular Production Option

Appearance package, premium ride suspension

Years 2003–06 Models 1 Factory citations 4

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Also documented for CadillacChevrolet

Documented applications

Yukon — GMT800 (2000–2006) →

• 2003–2006 ✓ Factory-verified
  ⛭ GM factory document — 2003 gmc yukon 2wd rpo code list, p.1.

  ⛭ GM factory document — 2004 gmc yukon 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 gmc yukon 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of Z66 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.