Engine, flexible fuel (gas/alcohol), 8 cylinder, 5.3L, sequential fuel injection, aluminum, cylinder deactivation, GM

Years 1987–88, 2007–09, 2014 Models 4 Factory citations 15

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Also described as Engine, 1.6L L4, 2 barrel carburetor

Also documented for GMC

Documented applications

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

Wikipedia names the LC9 as an E85-capable 5.3L engine of the generation; the lists show it for 2007 to 2009.

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Avalanche, p.30.

Nova — NUMMI (1985–1988)

1987–1988 Factory-verified

notchback and hatchback, standard

GM Heritage factory kit — 1987 Chevrolet Nova, p.10.
GM Heritage factory kit — 1987 Chevrolet Nova, p.12.
GM Heritage factory kit — 1987 Chevrolet Nova, p.52.
GM Heritage factory kit — 1988 Chevrolet Nova, p.12.
GM Heritage factory kit — 1988 Chevrolet Nova, p.14.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Suburban — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

Wikipedia's Suburban page does not name it; the lists show it for 2007 to 2009 and the 2014 guide prints it for 4WD models (aluminum block, with Active Fuel Management). Trim marks in the 2014 guide: LS, LT, LTZ: S.

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet suburban fleet order guide wayback, p.4.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.150, p.174.

This page aggregates every documented appearance of LC9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.