1SU ✓ Factory-verified

GMC · Regular Production Option

Package, option 19

Years 2000 Models 1 Factory citations 1

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Also documented for BuickChevrolet

Documented applications

Safari — Second generation (1995–2005) →

• 2000 ✓ Factory-verified
  ⛭ GM factory document — 2000 gmc safari 2wd rpo code list, p.1.

This page aggregates every documented appearance of 1SU in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.