Interior trim, Jet Black, cloth seating surfaces

Years 2017–20, 2022–27 Models 4 Factory citations 15

Also described as Interior, Jet Black, premium clothInterior trim, cloth, level 1, Jet BlackInterior trim, Jet Black, premium cloth

Also documented for Buick Chevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

SL and SLE

GM factory document — 2017 gmc acadia order guide copy gm authority, p.29.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.37.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.39.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

Pro (1SA); bench seat AZ3; the name matches the GM Authority 2026 Sierra HD interior colors page

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.102.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.98.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.92.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.11.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.12.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.12.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.11.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.13.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.11.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide, p.167.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide, p.83.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SL, SLE, SLE Diesel; front bucket seats (AR9); required with WJP on SLE

GM factory document — 2019 gmc terrain order guide copy gm authority, p.47.

This page aggregates every documented appearance of H1T in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.