- 2007 Factory-verified
only in: SS; equipment group; the 2007 kit order guide heads its TrailBlazer SS columns with it but prints no name for it, and the service lists do not print it
GM Heritage factory kit — 2007 Chevrolet Trailblazer, p.119.
3SS Factory-verified
Documented applications
This page aggregates every documented appearance of 3SS in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.