Engine, flexible fuel (gasoline/alcohol), 8 cylinder, 5.3L, multiport fuel injection, V8, GM

Years 2002–07 Models 5 Factory citations 27

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Also described as Engine, 5.3L V8 flexible fuel (gasoline/E85)

Also documented for GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

Wikipedia (Chevrolet Avalanche) names the 5.3L flex-fuel L59

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Avalanche, p.54.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.122.

Express — GMT610 (2003–2027)

2007 Factory-verified

GM factory document — 2007 chevrolet express rpo code list, p.1.

Silverado — GMT800 (1999–2007)

2003–2007 Factory-verified

GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Silverado 1500, p.198.
GM Heritage factory kit — 2006 Chevrolet Silverado, p.60.

Suburban — GMT800 (2000–2006)

2002–2006 Factory-verified

Wikipedia (Chevrolet Suburban) names the 5.3L flex-fuel L59 for the 1500 from 2002

GM factory document — 2002 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.142.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.136.

Tahoe — GMT800 (2000–2006)

2002–2006 Factory-verified

Wikipedia (Chevrolet Tahoe) lists the flex-fuel L59 beside the 5.3L LM7 and says E85 capability came in 2002

GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.30.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.123.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.27.

This page aggregates every documented appearance of L59 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.