57N ✓ Factory-verified

GMC · Regular Production Option

Wheels, 18 x 8.5 machined aluminum with dark painted pockets

Years 2024–26 Models 1 Factory citations 4

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Also documented for Chevrolet

Documented applications

Sierra — T1XX (2019–2026) →

• 2024–2026 ✓ Factory-verified

  the upfitter lists read "Wheel, 18 x 8.5 J aluminum, design 13"

  ⛭ GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.10.

  ⛭ GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.8.

  ⛭ 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 57N in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.