B3L ✓ Factory-verified

Chevrolet · Regular Production Option

Assist steps, power-retractable, with lighting

Years 2022–27 Models 5 Factory citations 21

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Also described as Assist steps, Black, power-retractableAssist steps

Also documented for CadillacGMC

Documented applications

Silverado 1500 — Fifth generation (2027) →

• 2027 ✓ Factory-verified

  rearward articulation giving bed access; foot-activated

  ⛭ GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.43.

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.10.

  ⛭ 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.

Silverado — T1XX (2019–2026) →

• 2024–2026 ✓ Factory-verified
  ⛭ GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.12.

  ⛭ GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Suburban — T1XX (2021–2027) →

• 2022–2023, 2025–2027 ✓ Factory-verified

  2027: Premier, High Country: O

  ⛭ GM factory document — 2025 chevrolet new suburban fleet order guide, p.17.

  ⛭ GM factory document — 2026 chevrolet suburban fleet order guide, p.19.

  ⛭ GM factory document — 2027 chevrolet suburban fleet order guide, p.19.

  ⛭ GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.10.

  ⛭ GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.10.

  ⛭ GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.5.

Tahoe — T1XX (2021–2027) →

• 2022–2023, 2025–2027 ✓ Factory-verified

  2027: Premier, High Country: O

  ⛭ GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.20.

  ⛭ GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.24.

  ⛭ GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.22.

  ⛭ GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.10.

  ⛭ GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.10.

  ⛭ GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.5.

This page aggregates every documented appearance of B3L in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.