UB1 ✓ Factory-verified

Hummer · Regular Production Option

Radio, AM/FM stereo, seek/scan, auto reverse music search cassette, CD, auto tone, data system, clock, ETR

Years 2003–08 Models 1 Factory citations 3

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Also documented for BuickCadillacChevroletGMCOldsmobile

Documented applications

H2 and H2 SUT — GMT820 (2003–2009) →

• 2003–2008 ✓ Factory-verified
  ⛭ GM factory document — 2003 hummer h2 rpo code list, p.1.

  ⛭ GM factory document — 2008 hummer h2 rpo code list, p.1.

  ⛭ GM factory document — 2006 hummer h2 rpo code list, p.1.

This page aggregates every documented appearance of UB1 in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.