Transmission, manual, 5 speed, Tremec, 109 mm, 5.81 first gear, 0.77 fifth gear

Years 2003, 2005–09 Models 4 Factory citations 11

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Also described as Transmission, 5-speed manual, Tremec 109 mm, 5.81 first gear

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007)

2003, 2005–2007 Factory-verified

2005–2007: heavy-duty models only (GM’s HD list)

GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2003, 2005–2007 Factory-verified

GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

This page aggregates every documented appearance of M96 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.