9G4 ✓ Factory-verified

GMC · Regular Production Option

GVWR, 13,400 lbs (6078 kg), dual rear wheels

Years 2014 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

Sierra HD — GMT900 (2007–2014) →

• 2014 ✓ Factory-verified

  only in: 3500; gasoline engine

  ⛭ GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.4.

This page aggregates every documented appearance of 9G4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.