K4B ✓ Factory-verified

GMC · Regular Production Option

Battery, auxiliary, 730 cold-cranking amps

Years 2015, 2018–19 Models 1 Factory citations 3

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Also documented for Chevrolet

Documented applications

Sierra HD — K2XX (2015–2019) →

• 2015, 2018–2019 ✓ Factory-verified

  not with the Duramax diesel; 2015 marks: Sierra, SLE, SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: GM's 2019 Sierra 3500HD order guide

  ⛭ GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.4.

  ⛭ GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.24.

  ⛭ GM factory document — 2019 gmc sierra 3500hd order guide copy gm authority, p.22.

This page aggregates every documented appearance of K4B in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.