L26 ✓ Factory-verified

Buick · Regular Production Option

Engine, gas, 6 cylinder, 3.8L, sequential fuel injection, V6, GM

Years 2005–09 Models 2 Factory citations 5

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Also documented for CadillacChevroletPontiac

Documented applications

LaCrosse — W-body / GMX365 (2005–2009) →

• 2005–2009 ✓ Factory-verified

  3.8 L V6 (Wikipedia).

  ⛭ GM factory document — 2005 buick lacrosse rpo code list, p.1.

  ⛭ GM factory document — 2007 buick lacrosse rpo code list, p.1.

  ⛭ GM factory document — 2009 buick lacrosse rpo code list, p.1.

Lucerne — G-body (2006–2011) →

• 2006–2008 ✓ Factory-verified
  ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1.

  ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1.

This page aggregates every documented appearance of L26 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.