EN4 ✓ Factory-verified

GMC · Regular Production Option

Cover, rear compartment, hard, cargo

Years 2003–09 Models 2 Factory citations 6

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Also documented for CadillacChevroletHummer

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.

Yukon — GMT900 (2007–2014) →

• 2007–2009 ✓ Factory-verified
  ⛭ GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.

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

This page aggregates every documented appearance of EN4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.