OKL ✓ Factory-verified

Buick · Regular Production Option

Plant code, Oklahoma City, OK, USA

Years 2004 Models 1 Factory citations 1

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Also documented for ChevroletGMCOldsmobile

Documented applications

Rainier — GMT360 (2004–2007) →

• 2004 ✓ Factory-verified internal
  ⛭ GM factory document — 2004 buick rainier 2wd rpo code list, p.1.

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