W3 / W4 / W5 / W6 / W7 ● Confirmed

Buick · Regular Production Option

Molding packages (body side, rocker, window frame, quarter)

Years 1970 Models 1

Documented applications

Full-Size — LeSabre / Electra / Wildcat →

• 1970 ● Confirmed

  Full-size by series

This page aggregates every documented appearance of W3 / W4 / W5 / W6 / W7 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.