SQ9 ✓ Factory-verified

Chevrolet · Regular Production Option

LPO, 20 inch (50.8 cm) machined aluminum wheels, bolt pattern, with high gloss Black accents

Years 2023, 2025–27 Models 1 Factory citations 4

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Also documented for CadillacGMC

Documented applications

Silverado HD (T1XX, 2020–2027) →

• 2023, 2025–2027 ✓ Factory-verified

  only in: 2500 HD, 3500 HD

  ⛭ GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.13.

  ⛭ GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of SQ9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.