XL4 ✓ Factory-verified

Chevrolet · Regular Production Option

Skid plate, functional

Years 2025–27 Models 1 Factory citations 3

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Also documented for GMC

Documented applications

Trailblazer — First generation, VSS-F (2021–2027) →

• 2025–2027 ✓ Factory-verified

  ACTIV: S

  ⛭ GM factory document — 2025 chevrolet trailblazer fleet order guide, p.7.

  ⛭ GM factory document — 2026 chevrolet trailblazer fleet order guide, p.7.

  ⛭ GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.8.

This page aggregates every documented appearance of XL4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.