G4A ✓ Factory-verified

GMC · Regular Production Option

GVWR, 9,300 lbs (4218 kg)

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: 2500

  ⛭ GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.4.

This page aggregates every documented appearance of G4A in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.