WU2 ✓ Factory-verified

Chevrolet · Regular Production Option

Ship through, produced at Springfield Assembly and shipped to TSC (Truck Specialty Center), Springfield, OH, and returned to Springfield Assembly for shipment to final destination

Years 2005–07, 2025–26 Models 3 Factory citations 7

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Also described as Ship thru, produced at Springfield Assembly and shipped to TSC (Truck Specialty Center), Springfield, OH, and returned to Springfield Assembly for shipment to final destinationShip-thru upfitter, Masterack

Also documented for GMC

Documented applications

Express — GMT610 (2003–2027) →

• 2025–2026 ✓ Factory-verified internal

  ; only in: Cutaway; O on all trims

  ⛭ GM factory document — 2025 chevrolet express cutaway fleet order guide, p.57.

  ⛭ GM factory document — 2026 chevrolet express cutaway fleet order guide, p.57.

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.

Uplander (2005–2008) →

• 2005–2007 ✓ Factory-verified internal

  the 2007 kit names it in its change notes

  ⛭ GM Heritage factory kit — 2005 Chevrolet Uplander, p.98.

  ⛭ GM Heritage factory kit — 2006 Chevrolet Uplander, p.138.

  ⛭ GM Heritage factory kit — 2007 Chevrolet Uplander, p.122.

This page aggregates every documented appearance of WU2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.