NT4 Factory-verified

Chevrolet · Regular Production Option

Emission system, EEC 05

Years 2005–09 Models 7 Factory citations 25

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Also documented for Buick Cadillac GMC Hummer Pontiac Saturn

Documented applications

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified internal

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Aveo — T200 (2004–2008)

2008 Factory-verified internal

;

GM factory document — 2008 chevrolet aveo rpo code list, p.1.

Aveo — T250 (2009–2011)

2009 Factory-verified internal

;

GM factory document — 2009 chevrolet aveo 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.
GM Heritage factory kit — 2005 Chevrolet Corvette, p.23.

Suburban — GMT900 (2007–2014)

2007–2009 Factory-verified internal

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.34.

Tahoe — GMT900 (2007–2014)

2007–2009 Factory-verified internal

GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.28.

TrailBlazer — GMT360 (2002–2009)

2005–2009 Factory-verified internal

GM Heritage factory kit — 2007 Chevrolet Trailblazer, p.26.
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 NT4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.