LH8 ✓ Factory-verified

Hummer · Regular Production Option

Engine, gas, 8 cylinder, 5.3L, sequential fuel injection, aluminum, high output, GM

Years 2008–09 Models 1 Factory citations 2

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Also documented for BuickChevroletGMCOldsmobilePontiac

Documented applications

H3 and H3T — GMT345 (2006–2010) →

• 2008–2009 ✓ Factory-verified

  the 2009 NICB engine table (p.82) prints a 5.3L 8 cylinder SFI HO engine;

  ⛭ GM factory document — 2008 hummer h3 rpo code list, p.1.

  ⛭ GM factory document — 2009 hummer h3 rpo code list, p.1.

This page aggregates every documented appearance of LH8 in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.