51B ✓ Factory-verified

Buick · Regular Production Option

Trim combination, cloth, Toreador Red

Years 1998 Models 4 Factory citations 4

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Also documented for ChevroletOldsmobilePontiac

Documented applications

Century — W-body (1997–2005) →

• 1998 ✓ Factory-verified

  GM prints "(B) (97)"

  ⛭ GM factory document — 1998 buick century rpo code list, p.1.

LeSabre — H-body (1992–1999) →

• 1998 ✓ Factory-verified

  GM prints "(97)" after the name.

  ⛭ GM factory document — 1998 buick lesabre rpo code list, p.1.

Regal — W-body (1997–2004) →

• 1998 ✓ Factory-verified

  GM prints "(B) (97)"

  ⛭ GM factory document — 1998 buick regal rpo code list, p.1.

Skylark — N-body (1992–1998) →

• 1998 ✓ Factory-verified

  GM prints "Toreator"; GM prints "(97)".

  ⛭ GM factory document — 1998 buick skylark rpo code list, p.1.

This page aggregates every documented appearance of 51B in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.