NA3 Factory-verified

Chevrolet · Regular Production Option

Emission system, Japan

Years 1999–09 Models 6 Factory citations 30

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Also documented for Buick Cadillac GMC Hummer Oldsmobile Pontiac

Documented applications

Astro — Second generation (1995–2005)

1999–2001, 2004, 2005 Factory-verified internal

GM factory document — 1999 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet astro 2wd rpo code list, p.1.

Blazer — S-10 second generation (1995–2005)

1999–2003 Factory-verified internal

only in: right-hand-drive 4WD

GM factory document — 1999 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2001 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2002 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2003 chevrolet blazer 4wd rhd rpo code list, p.1.

Camaro — Gen 4 (1993–2002)

2001 Factory-verified internal

GM factory document — 2001 chevrolet camaro rpo code list, p.1.

Corvette — C5 (1997–2004)

1999–2004 Factory-verified internal

GM factory document — 1999 chevrolet corvette rpo code list, p.1.
GM factory document — 2000 chevrolet corvette rpo code list, p.1.
GM factory document — 2001 chevrolet corvette rpo code list, p.1.
GM factory document — 2002 chevrolet corvette rpo code list, p.1.
GM factory document — 2003 chevrolet corvette rpo code list, p.1.
GM factory document — 2004 chevrolet corvette rpo code list, p.1.

Corvette — C6 (2005–2013)

2005–2009 Factory-verified internal

GM factory document — 2005 chevrolet corvette rpo code list, p.1.
GM factory document — 2006 chevrolet corvette rpo code list, p.1.
GM factory document — 2007 chevrolet corvette rpo code list, p.1.
GM factory document — 2008 chevrolet corvette rpo code list, p.1.
GM factory document — 2009 chevrolet corvette rpo code list, p.1.

TrailBlazer — GMT360 (2002–2009)

2003–2009 Factory-verified internal

GM Heritage factory kit — 2004 Chevrolet Trailblazer, p.33.
GM factory document — 2003 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

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