Z49 Factory-verified

Hummer · Regular Production Option

Export, Canadian modification, mandatory base equipment

Years 2003–09 Models 2 Factory citations 6
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Also described as Export, Canadian modified mandatory base equipment

Also documented for BuickCadillacChevroletGMCOldsmobilePontiacSaturn

Documented applications

This page aggregates every documented appearance of Z49 in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.