79I Factory-verified

GMC · Regular Production Option

Interior trim, Ruby Red

Years 1998–00 Models 5 Factory citations 12
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Also documented for BuickCadillacChevroletOldsmobilePontiac

Documented applications

This page aggregates every documented appearance of 79I in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.