AAC ✓ Factory-verified

GMC · Regular Production Option

Parts package, shipped loose

Years 2003–06, 2019–20 Models 2 Factory citations 4

Query this via API →

Also documented for Chevrolet

Documented applications

Savana — GMT610 (2003–2027) →

• 2003–2006 ✓ Factory-verified internal
  ⛭ GM factory document — 2003 gmc savana rpo code list, p.1.

  ⛭ GM factory document — 2006 gmc savana rpo code list, p.1.

Sierra — T1XX (2019–2026) →

• 2019–2020 ✓ Factory-verified internal
  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.9.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.10.

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