1WT ✓ Factory-verified

GMC · Regular Production Option

Trim group, Work Van

Years 2025–27 Models 1 Factory citations 6

Query this via API →

Also documented for Chevrolet

Documented applications

Savana — GMT610 (2003–2027) →

• 2025–2027 ✓ Factory-verified

  GM fleet Cargo models TG23405, TG23705, TG33405, TG33705; Cutaway models TG33503, TG33803, TG33903 (2025–2026); shown in the column headings of the guides

  ⛭ GM factory document — 2025 gmc savana cargo fleet order guide, p.1.

  ⛭ GM factory document — 2025 gmc savana cutaway fleet order guide, p.1.

  ⛭ GM factory document — 2026 gmc savana cargo fleet order guide, p.1.

  ⛭ GM factory document — 2026 gmc savana cutaway fleet order guide, p.1.

  ⛭ GM factory document — 2027 gmc savana cargo fleet order guide, p.1.

  ⛭ GM factory document — 2027 gmc savana cutaway fleet order guide, p.1.

This page aggregates every documented appearance of 1WT in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.