B4J ✓ Factory-verified

GMC · Regular Production Option

Floor mats, rear, rubberized vinyl

Years 2027 Models 1 Factory citations 2

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Also documented for Chevrolet

Documented applications

Sierra 1500 — Next-Generation (2027) →

• 2027 ✓ Factory-verified

  Pro: O; Elevation: included in the trim group; AT4, AT4X, Denali, Denali Ultimate: not offered

  ⛭ GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.14.

  ⛭ GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of B4J in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.