5H4 ✓ Factory-verified

Chevrolet · Regular Production Option

Wiring provisions, heavy gage, extended

Years 1998–00 Models 1 Factory citations 3

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Also documented for GMC

Documented applications

Express — GMT600 (1996–2002) →

• 1998–2000 ✓ Factory-verified
  ⛭ GM factory document — 1998 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 1999 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2000 chevrolet express rpo code list, p.1.

This page aggregates every documented appearance of 5H4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.