Paint, Stone Blue Metallic

Years 2015–16, 2018–19 Models 2 Factory citations 6

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Also described as Stone Blue Metallic

Also documented for Chevrolet

Documented applications

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

touch-up paint WA-409Y; extra charge; 2018: GM's 2018 Sierra 2500HD order guide; 2019: GM's 2019 Sierra 3500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.57.
GM factory document — 2019 gmc sierra 3500hd order guide copy gm authority, p.54.

Sierra — K2XX (2014–2019)

2016, 2018–2019 Factory-verified

extra charge.

GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.66.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.30.

This page aggregates every documented appearance of G1K in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.