9Q4 ✓ Factory-verified

Chevrolet · Regular Production Option

Spring, rear, lowered

Years 2001–02, 2023 Models 2 Factory citations 3

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Also documented for GMC

Documented applications

Express — GMT600 (1996–2002) →

• 2001–2002 ✓ Factory-verified
  ⛭ GM factory document — 2001 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2002 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027) →

• 2023 ✓ Factory-verified
  ⛭ GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.13.

This page aggregates every documented appearance of 9Q4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.