VAF ✓ Factory-verified

Chevrolet · Regular Production Option

Ship through, produced at Springfield Assembly and shipped to Fontaine Modification, Springfield, OH and returned to Springfield Assembly for shipment to final destination

Years 2025–26 Models 1 Factory citations 2

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Documented applications

Silverado Medium Duty (GM515, 2019–2026) →

• 2025–2026 ✓ Factory-verified internal
  ⛭ GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

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