1SS Factory-verified

Chevrolet · Regular Production Option

Package, option 17

Years 2000, 2003, 2005–09, 2014–15 Models 7 Factory citations 15
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Also described as Trim group, 1SSEquipment group: Silverado SS

Also documented for CadillacGMC

Documented applications

  • 2006–2007 Factory-verified

    SS (model 1WD19); the order guides print it as a column heading only, with no description.

    GM Heritage factory kit — 2006 Chevrolet Impala, p.111.
    GM Heritage factory kit — 2007 Chevrolet Impala, p.113.
  • 2003, 2005–2007 Factory-verified
    GM Heritage factory kit — 2003 Chevrolet Silverado SS, p.191.
    GM Heritage factory kit — 2005 Chevrolet Silverado SS, p.111.
    GM Heritage factory kit — 2006 Chevrolet Silverado, p.293.
    GM Heritage factory kit — 2007 Chevrolet Silverado, p.219.
  • 2007 Factory-verified

    only in: SS; equipment group; the 2007 kit order guide heads its TrailBlazer SS columns with it, and the service lists do not print it

    GM Heritage factory kit — 2007 Chevrolet Trailblazer, p.119.

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