LQ9 ✓ Factory-verified

Cadillac · Regular Production Option

Engine, gasoline, 8 cylinder, 6.0L, multiport fuel injection, iron block, GM, high output

Years 2002–06 Models 2 Factory citations 4

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Also documented for ChevroletGMCPontiac

Documented applications

Escalade EXT — GMT800 (2002–2006) →

• 2002–2006 ✓ Factory-verified

  the lists print 8 CYC for 8 cylinders

  ⛭ GM factory document — 2002 cadillac escalade ext rpo code list, p.1.

  ⛭ GM factory document — 2006 cadillac escalade ext rpo code list, p.1.

Escalade — GMT800 (2002–2006) →

• 2002–2006 ✓ Factory-verified

  Wikipedia names the 6.0L high output LQ9 for this generation

  ⛭ GM factory document — 2002 cadillac escalade 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 cadillac escalade rpo code list, p.1.

This page aggregates every documented appearance of LQ9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.