CW4 ✓ Factory-verified

Hummer · Regular Production Option

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

Years 2007–09 Models 1 Factory citations 2

Query this via API →

Also documented for BuickCadillacChevroletGMCPontiacSaturn

Documented applications

H3 and H3T — GMT345 (2006–2010) →

• 2007–2009 ✓ Factory-verified internal

  the 2009 list prints the island names truncated;

  ⛭ GM factory document — 2007 hummer h3 rpo code list, p.1.

  ⛭ GM factory document — 2009 hummer h3 rpo code list, p.1.

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