6E8 ✓ Factory-verified

GMC · Regular Production Option

Single-key lock cylinders, coded NU97 (SEO)

Years 2001, 2007–09 Models 4 Factory citations 5

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Also described as Cylinder unit, single key system, coded NU97 (SEO)Cylinder unit, single key system, coded NU97

Also documented for CadillacChevrolet

Documented applications

Sierra — GMT800 (1999–2007) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 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 6E8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.