Transmission, automatic, 4 speed, HMD, 4L80-E, heavy-duty

Years 2002–10 Models 3 Factory citations 17

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Also described as Transmission, automatic, 4 speed, HMD, 4L80-E, heavy duty

Also documented for GMC

Documented applications

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

only with L18 (8.1L, 2500); Wikipedia (Chevrolet Avalanche) names the 4L85-E for the 8.1L

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.

Express — GMT610 (2003–2027)

2006–2010 Factory-verified

GM factory document — 2006 chevrolet express rpo code list, p.1.
GM factory document — 2007 chevrolet express awd rpo code list, p.1.
GM factory document — 2008 chevrolet express rpo code list, p.1.
GM factory document — 2009 chevrolet express rpo code list, p.1.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.13.

Suburban — GMT800 (2000–2006)

2002–2006 Factory-verified

only in: 2500; only with L18 (8.1L); the lists print it as the 4L80-E heavy duty; Wikipedia (Chevrolet Suburban) names the 4L85-E for the 8.1L

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.38.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.166.

This page aggregates every documented appearance of MN8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.