JB8 Factory-verified

GMC · Regular Production Option

Brake system, power, front disc, rear drum, 10000 lbs

Years 1998–02 Models 6 Factory citations 15

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Also described as Brake, power, disc/drum, 10,000 lbBrakes, hydroboost (export)

Also documented for Cadillac Chevrolet

Documented applications

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2000 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.
GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2000 Factory-verified

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

This page aggregates every documented appearance of JB8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.