8U9 Factory-verified

GMC · Regular Production Option

Engine modification, gas, 6 cylinder, 4.3L

Years 1998–02 Models 1 Factory citations 5
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Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of 8U9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.