Dual rear speakers

Years 1978–80 Models 1 Factory citations 3

Documented applications

1978 Factory-verified

$49.00; 12,340 built

GM Heritage factory kit — 1978 Chevrolet Corvette, p.22.
1979 Factory-verified

$52.00; 37,754 built

GM Heritage factory kit — 1979 Chevrolet Corvette, p.7.
1980 Factory-verified

$52.00; 36,650 built (factory kit resolves: kit p.6 shows U81 at $52.00 — not CAC's $31)

GM Heritage factory kit — 1980 Chevrolet Corvette, p.6.

This page aggregates every documented appearance of U81 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.