SG3 ✓ Factory-verified

GMC · Regular Production Option

LPO, sport suspension springs

Years 2019–20, 2022–25 Models 1 Factory citations 6

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Also documented for Chevrolet

Documented applications

Sierra — T1XX (2019–2026) →

• 2019–2020, 2022–2025 ✓ Factory-verified
  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.13.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.14.

  ⛭ GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.14.

  ⛭ GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.14.

  ⛭ GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.16.

  ⛭ GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.14.

This page aggregates every documented appearance of SG3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.