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

Years 1999–01, 2003–10 Models 5 Factory citations 22

Query this via API →

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

Also documented for GMC

Documented applications

Express — 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 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.
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.15.

Silverado — 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 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 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.46.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.59.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Silverado 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 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.

Silverado 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 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

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