B3X ◑ Single-source

Buick · Regular Production Option

Estate equipment

Years 1971–76 Models 1

Documented applications

Full-Size — LeSabre / Electra / Wildcat →

• 1971–1976 ◑ Single-source

  Estate Wagon

This page aggregates every documented appearance of B3X in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.