5K4 ✓ Factory-verified

Chevrolet · Regular Production Option

LPO, Black bedside decal with reflective Bowtie

Years 2025–27 Models 2 Factory citations 6

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Also described as LPO, Black bodyside decal

Documented applications

Blazer EV (2024–2027) →

• 2025–2027 ✓ Factory-verified

  only in: Blazer EV, not the Police Package; the 2027 list reads LPO, Bodyside decal (no Black)

  ⛭ GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

Silverado HD (T1XX, 2020–2027) →

• 2025–2027 ✓ Factory-verified

  only in: 2500 HD

  ⛭ 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 5K4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.