YR1 ◑ Single-source

Buick · Regular Production Option

Custom front seat trim

Years 1988 Models 1

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Documented applications

Century — A-body (1982–1996) →

• 1988 ◑ Single-source

This page aggregates every documented appearance of YR1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.