G4J Factory-verified

GMC · Regular Production Option

Paint, Glacier White Tricoat

Years 2026–27 Models 8 Factory citations 16

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Also described as Glacier White Tricoat (touch-up WA-241L)

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2026–2027 Factory-verified

touch-up WA-241L; additional charge; new for 2026

GM factory document — 2026 gmc acadia fleet order guide, p.44.
GM factory document — 2027 gmc acadia fleet order guide, p.47.

Sierra EV — BT1 (2024–2027)

2026–2027 Factory-verified

additional charge; requires Denali; not offered with the Forest Storm interior; touch-up WA-241L; 2026 marks it late availability

GM factory document — 2026 gmc sierra ev fleet order guide, p.47.
GM factory document — 2027 gmc sierra ev fleet order guide, p.46.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Denali and Denali Ultimate only; not available with AT4 or AT4X; extra charge; touch-up WA-241L

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.104.

Sierra HD — T1XX (2020–2027)

2026–2027 Factory-verified

touch-up WA-241L

GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.100.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.94.

Sierra — T1XX (2019–2026)

2026 Factory-verified

touch-up WA-241L

GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide, p.86.

Terrain — Third generation (2025–2027)

2026–2027 Factory-verified

touch-up WA-241L; additional charge; only on Denali; marked new in the 2026 guide

GM factory document — 2026 gmc next generation terrain fleet order guide, p.29.
GM factory document — 2027 gmc terrain fleet order guide, p.30.

Yukon — T1XX (2021–2027)

2026–2027 Factory-verified

the 2026 body-builder list reads Polar White Tri Met-1 (241L)

GM factory document — 2026 gmc yukon denali fleet order guide, p.86.
GM factory document — 2027 gmc yukon fleet order guide, p.75.
GM factory document — 2026 gmc yukon yukon xl electrical body builder manual service manual 2026 en us, p.6.

Yukon XL — T1XX (2021–2027)

2026–2027 Factory-verified

the 2026 body-builder list reads Polar White Tri Met-1 (241L)

GM factory document — 2026 gmc yukon xl denali fleet order guide, p.86.
GM factory document — 2027 gmc yukon xl fleet order guide, p.77.
GM factory document — 2026 gmc yukon yukon xl electrical body builder manual service manual 2026 en us, p.6.

This page aggregates every documented appearance of G4J in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.