Interior, Cocoa/Shale, perforated leather-appointed

Years 2015–18 Models 2 Factory citations 8

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Also documented for Cadillac

Documented applications

Yukon — K2XX (2015–2020)

2015–2018 Factory-verified

Denali; the lists read leather, level 4; 2018 from GM's 2018 Yukon order guide

GM factory document — 2015 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.21.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.36.

Yukon XL — K2XX (2015–2020)

2015–2017 Factory-verified

Denali (AN3 seats); two-tone

GM factory document — 2015 gmc yukon xl denali fleet order guide wayback, p.1.
GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.21.

This page aggregates every documented appearance of H4Y in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.