L37 ✓ Factory-verified

Buick · Regular Production Option

Engine, gas, 8 cylinder, 4.6L, multiport fuel injection, V8, high output, DOHC

Years 2008–09 Models 1 Factory citations 2

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Also documented for CadillacPontiac

Documented applications

Lucerne — G-body (2006–2011) →

• 2008–2009 ✓ Factory-verified

  4.6 L DOHC V8 for the Super (Wikipedia).

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

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

This page aggregates every documented appearance of L37 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.