E3Z ✓ Factory-verified

GMC · Regular Production Option

Pickup bed, carbon fiber composite

Years 2020, 2022–26 Models 1 Factory citations 7

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Documented applications

Sierra — T1XX (2019–2026) →

• 2020, 2022–2026 ✓ Factory-verified

  the upfitter lists read "Pickup box inner, alternate material"

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.11.

  ⛭ GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.11.

  ⛭ 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.10.

  ⛭ 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 E3Z in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.