B6K ✓ Factory-verified

Cadillac · Regular Production Option

Sill plate cover, Bright finish, front door opening

Years 2025–26 Models 2 Factory citations 4

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Also described as Sill plate cover

Documented applications

CT4 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  only in: CT4; Luxury, Premium Luxury: S

  ⛭ GM factory document — 2025 cadillac ct4 fleet order guide, p.4.

  ⛭ GM factory document — 2026 cadillac ct4 fleet order guide, p.5.

XT4 — E2 (2019–2025) →

• 2025 ✓ Factory-verified

  Premium Luxury: S; Sport: not available

  ⛭ GM factory document — 2025 cadillac xt4 fleet order guide, p.4.

  ⛭ GM factory document — 2025 cadillac xt4 fleet order guide rpo codes, p.1.

Related codes · mentioned in these notes

S

This page aggregates every documented appearance of B6K in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.