Speaker system, 8, quad front door-mounted, quad package shelf, amplifier

Years 1998–04 Models 2 Factory citations 9

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Also described as 8 speaker system, quad front door mounted, shelf quad, amplifier

Also documented for Buick Cadillac Chevrolet Pontiac

Documented applications

Alero — N-body (1999–2004)

2001–2004 Factory-verified

GM factory document — 2001 oldsmobile alero rpo code list, p.1.
GM factory document — 2002 oldsmobile alero rpo code list, p.1.
GM factory document — 2003 oldsmobile alero rpo code list, p.1.
GM factory document — 2004 oldsmobile alero rpo code list, p.1.

Intrigue — W-body (1998–2002)

1998–2002 Factory-verified

GM factory document — 1998 oldsmobile intrigue rpo code list, p.1.
GM factory document — 1999 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2000 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2001 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2002 oldsmobile intrigue rpo code list, p.1.

This page aggregates every documented appearance of U85 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.