Country, Caribbean (Antigua, Antilles, Bahamas, Barbados, Bermuda, Cay, Haiti, Dominican, Jamaica, Nassau, S.M., Trinidad)

Years 1999–00, 2005, 2007–09 Models 7 Factory citations 11

Also described as Country, Caribbean (Antigua, Antilles, Bahamas, Barbados, Bermuda, Cayman, Dominican, Haiti, Jamaica, Nassau, S.M., Trinidad)Country code: CaribbeanCountry code, Caribbean

Also documented for Buick Cadillac Chevrolet Hummer Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2009 Factory-verified internal

the list prints Dmincn for Dominican; Cay and S.M. are GM's abbreviations.

GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.

Canyon — GMT355 (2004–2012)

2005, 2007–2009 Factory-verified internal

GM abbreviates the island list differently in the 2005 list and the later ones.

GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2007 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2008 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2009 gmc canyon pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified internal

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013)

2009 Factory-verified internal

The list adds do not release parts to this option.

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2009 Factory-verified internal

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2000 Factory-verified internal

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

Yukon — GMT900 (2007–2014)

2009 Factory-verified internal

GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of CW4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.