Sound system, AM/FM stereo with cassette, fleet option (SEO)

Years 2003, 2005–06 Models 2 Factory citations 4

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Also described as Radio, AM/FM stereo with cassette and clock, no CD (SEO)

Documented applications

Silverado — GMT800 (1999–2007)

2005–2006 Factory-verified

GM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.196.
GM Heritage factory kit — 2006 Chevrolet Silverado, p.289.

Tahoe — GMT800 (2000–2006)

2003, 2006 Factory-verified

The kit pages print 9RO; the order guides print it as the AM/FM radio with cassette and clock (2006: and digital clock), a fleet option

GM Heritage factory kit — 2003 Chevrolet Tahoe, p.140.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.155.

This page aggregates every documented appearance of 9R0 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.