Engine, gasoline, 6 cylinder, 3.9L, sequential fuel injection, V6, offset bore, GM

Years 2006–09 Models 2 Factory citations 7

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Also described as Engine, gas, 6 cylinder, 3.9L, sequential fuel injection, V6, offset bore, GM

Also documented for Buick Chevrolet Saturn

Documented applications

G6 — Epsilon / GMX381 (2005–2010)

2006–2009 Factory-verified

the 2006 list omits "Offset Bore"; shared Epsilon engine; Chevrolet Malibu kit.

GM factory document — 2006 pontiac g6 rpo code list, p.1.
GM factory document — 2007 pontiac g6 rpo code list, p.1.
GM factory document — 2008 pontiac g6 rpo code list, p.1.
GM factory document — 2009 pontiac g6 rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Malibu, p.131.
GM Heritage factory kit — 2007 Chevrolet Malibu, p.133.

Montana SV6 — Second generation, U-body (2005–2006)

2006 Factory-verified

GM factory document — 2006 pontiac montana sv6 rpo code list, p.1.

This page aggregates every documented appearance of LZ9 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.