Stripe, accent color, Light Silver/Dark Indigo

Years 1998 Models 3 Factory citations 3

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Also documented for Chevrolet

Documented applications

Sierra — GMT400 (1988–2000)

1998 Factory-verified

GM prints "SIlver"

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

Suburban — GMT400 (1992–1999)

1998 Factory-verified

GM prints "SIlver"

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

Yukon — GMT400 (1992–1999)

1998 Factory-verified

GM prints "SIlver"

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

This page aggregates every documented appearance of 31A in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.