R6K ✓ Factory-verified

GMC · Regular Production Option

Control, sales item number 11

Years 2009 Models 2 Factory citations 2

Query this via API →

Also documented for BuickCadillacChevroletHummer

Documented applications

Sierra — GMT900 (2007–2013) →

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

Sierra HD — GMT900 (2007–2014) →

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

This page aggregates every documented appearance of R6K in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.