Calipers, blue

Years 2025–27 Models 4 Factory citations 16

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Also described as Calipers, BlueBrake calipers, Blue

Also documented for Chevrolet

Documented applications

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

Sport, V-Series, V-Series Blackwing: O

GM factory document — 2025 cadillac ct4 fleet order guide, p.31.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.15.
GM factory document — 2026 cadillac ct4 fleet order guide, p.28.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.15.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

Premium Luxury: not available; Sport: O

GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide, p.26.
GM factory document — 2026 cadillac ct5 fleet order guide, p.27.

Lyriq — BEV3 (2023–2027)

2026–2027 Factory-verified

only in: LYRIQ-V trims (O)

GM factory document — 2026 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.

Optiq — BEV3 (2025–2027)

2026–2027 Factory-verified

V-Series: O; Luxury, Premium Luxury, Sport, Premium Sport: not available; the guide adds V-Series logo on front; included with Y43

GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.15.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.16.

This page aggregates every documented appearance of J6B in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.