NA3 ✓ Factory-verified

GMC · Regular Production Option

Emission system, Japan

Years 1999–01, 2003–09 Models 2 Factory citations 8

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Also documented for BuickCadillacChevroletHummerOldsmobilePontiac

Documented applications

Envoy — GMT360 (2002–2009) →

• 2003–2009 ✓ Factory-verified internal
  ⛭ GM factory document — 2003 gmc envoy 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 gmc envoy 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 gmc envoy 4wd rpo code list, p.1.

Safari — Second generation (1995–2005) →

• 1999–2001, 2004, 2005 ✓ Factory-verified internal
  ⛭ GM factory document — 1999 gmc safari 2wd rpo code list, p.1.

  ⛭ GM factory document — 2000 gmc safari 2wd rpo code list, p.1.

  ⛭ GM factory document — 2001 gmc safari 2wd rpo code list, p.1.

  ⛭ GM factory document — 2004 gmc safari 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 gmc safari 2wd rpo code list, p.1.

This page aggregates every documented appearance of NA3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.