99A ✓ Factory-verified

Oldsmobile · Regular Production Option

Stripe color accent, Dark Slate Gray

Years 1998 Models 2 Factory citations 2

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Also documented for BuickChevroletPontiac

Documented applications

Achieva — N-body (1992–1998) →

• 1998 ✓ Factory-verified

  GM prints "(91)".

  ⛭ GM factory document — 1998 oldsmobile achieva rpo code list, p.1.

Cutlass — N-body (1997–1999) →

• 1998 ✓ Factory-verified

  GM prints "(91)".

  ⛭ GM factory document — 1998 oldsmobile cutlass rpo code list, p.1.

This page aggregates every documented appearance of 99A in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.