Wheel, 18", 12-spoke, High Gloss Black aluminum, full-size spare, laser etched, with GMC center cap

Years 2023–27 Models 2 Factory citations 7

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Also described as Wheel, spare, 18 inch 12-spoke High Gloss Black aluminum with laser etching and AEV center cap

Documented applications

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation, AT4, Denali, Denali Ultimate: not offered; AT4X: O

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.79.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2023–2026 Factory-verified

the upfitter lists read "Wheel, spare, 18 x 8.5 J aluminum, design 5"

GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.13.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.15.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.13.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of S4D in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.