H4S ✓ Factory-verified

Chevrolet · Regular Production Option

Interior trim, Saddle, perforated leather-appointed

Years 2017–19 Models 1 Factory citations 3

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Documented applications

Silverado HD — K2XX (2015–2019) →

• 2017–2019 ✓ Factory-verified

  High Country bucket seats (AN3); 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide

  ⛭ GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.64.

  ⛭ GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.81.

  ⛭ GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.81.

Related codes · mentioned in these notes

AN3

This page aggregates every documented appearance of H4S in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.