JJK Factory-verified

GMC · Regular Production Option

Suspension, rear, installed, modular optimization method only

Years 2007–09 Models 1 Factory citations 3
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Also documented for BuickCadillacChevroletSaturn

Documented applications

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