B18 ◑ Single-source

Buick · Regular Production Option

Deluxe interior trim

Years 1989 Models 1

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Also documented for CadillacChevroletOldsmobilePontiac

Documented applications

Century — A-body (1982–1996) →

• 1989 ◑ Single-source

This page aggregates every documented appearance of B18 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.