Stripe, color accent, Gray Metallic

Years 1998–00, 2017–19 Models 3 Factory citations 7

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Also described as Fender hash marks, Gray

Also documented for GMC Oldsmobile

Documented applications

Blazer — S-10 second generation (1995–2005)

1998–2000 Factory-verified

2000 list reads medium gray; 1998 reads medium gray metallic

GM factory document — 1998 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rpo code list, p.1.

Corvette — C7 (2014–2019)

2017–2019 Factory-verified

only in: Grand Sport; all trims: O; with Z15; 2019: from GM order-guide copies (Corvette Action Center, GM Authority)

GM factory document — 2017 chevrolet corvette fleet order guide wayback, p.1.

S-10 pickup — Second generation (1994–2004)

1998–2000 Factory-verified

2000 list reads medium gray; 1998 reads medium gray metallic

GM factory document — 1998 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.

This page aggregates every documented appearance of 90A in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.