WT7 Factory-verified

GMC · Regular Production Option

Ship thru, produced at Wentzville Assembly and shipped to XL Hybrids / Knapheide and return to Wentzville Assembly for final shipment

Years 2025–27 Models 1 Factory citations 9
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Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of WT7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.