Engine, gasoline, 8 cylinder, 5.3L, multiport fuel injection, iron block, GM

Years 1999–07 Models 5 Factory citations 36

Also described as Engine, gas, 8 cylinder, 5.3L, multiport fuel injection, iron, GMEngine, 5.3L V8 (Vortec 5300), iron block

Also documented for Cadillac GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

Wikipedia (Chevrolet Avalanche) names the 5.3L LM7

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 — 2003 Chevrolet Avalanche, p.119.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.33.

Express — GMT610 (2003–2027)

2003–2005, 2007 Factory-verified

GM factory document — 2003 chevrolet express rpo code list, p.1.
GM factory document — 2004 chevrolet express awd rpo code list, p.1.
GM factory document — 2005 chevrolet express rpo code list, p.1.
GM factory document — 2007 chevrolet express rpo code list, p.1.

Silverado — GMT800 (1999–2007)

1999–2007 Factory-verified

GM factory document — 1999 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 — 2001 Chevrolet Silverado, p.56.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.55.

Suburban — GMT800 (2000–2006)

2000–2006 Factory-verified

Wikipedia (Chevrolet Suburban) names the 5.3L LM7 for the 1500

GM factory document — 2000 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet chevy suburban 2wd rpo code list, p.1.
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.

Tahoe — GMT800 (2000–2006)

2000–2006 Factory-verified

Wikipedia (Chevrolet Tahoe) names the 5.3L Vortec 5300 LM7 for 2000–2006

GM factory document — 2000 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.
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 — 2000 Chevrolet Tahoe, p.47.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.44.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.31.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.115.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.113.

This page aggregates every documented appearance of LM7 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.