JH7 Factory-verified

GMC · Regular Production Option

Brake, hydraulic power, 4 wheel disc, 12,300 lbs

Years 1999–01, 2003–10 Models 6 Factory citations 24

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Also described as Brakes, hydraulic power, 4-wheel disc, 12,000–12,300 lbBrake, hydraulic power, 4-wheel disc, 12,000 lb

Also documented for Chevrolet

Documented applications

Savana — GMT610 (2003–2027)

2003–2005, 2007–2010 Factory-verified

the 2003–2005 and 2007 lists mark it a duplicate of JH9

GM factory document — 2003 gmc savana rpo code list, p.1.
GM factory document — 2005 gmc savana rpo code list, p.1.
GM factory document — 2007 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.17.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.15.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.15.

Sierra — GMT800 (1999–2007)

1999–2001, 2003–2007 Factory-verified

2005–2007: heavy-duty models only (GM’s HD list); 1999–2000 lists tie it to dual rear wheels (R05); 2003–2007 lists give 12,300 lb

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 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)

2001, 2003–2007 Factory-verified

the 2001 list gives 12,000 lb; the 2003–2007 lists give 12,300 lb

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 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

the 2007 list misprints 12,300 as 123000; the 2007–2008 lists add duplicate with JH9

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.

Yukon — GMT800 (2000–2006)

2000–2001 Factory-verified

the 2000 list ties it to a 10,000–12,000 lb GVWR range; pickup or dual-rear-wheel code from the lists shared with the pickups; no source shows it on a Yukon

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of JH7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.