Preferred Equipment Group 1, sedan

Years 1989 Models 1 Factory citations 1

Documented applications

Celebrity — A-body (1982–1990)

1989 Factory-verified

only in: sedan without ZV8; same content as AZA1

GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.

This page aggregates every documented appearance of ACA1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.