HD 15" wheels, hubs & drums (w/B-07; +B-01 from 1967)

Years 1966–68, 1971 Models 2

Also described as Exterior Sport Equipment

Documented applications

Cutlass / 4-4-2

1971 Confirmed

Cutlass

Full-Size 88 / 98

1966–68 Confirmed

Police

This page aggregates every documented appearance of Y-75 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.