NM8 Factory-verified

GMC · Regular Production Option

Fuel system, leaded fuel compatible

Years 1998–02 Models 7 Factory citations 16

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Also described as Leaded fuel system compatible

Also documented for Cadillac Chevrolet Oldsmobile Pontiac

Documented applications

Jimmy — second generation (1995–2001)

2000, 2001 Factory-verified

GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Safari — Second generation (1995–2005)

1999 Factory-verified

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

Savana — GMT600 (1996–2002)

1998–2000 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.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified

export fuel and emission calibration

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.

Sonoma — second generation (1994–2004)

2000–2002 Factory-verified

GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

export fuel and emission calibration

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

export fuel and emission calibration

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

This page aggregates every documented appearance of NM8 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.