27A ✓ Factory-verified

GMC · Regular Production Option

Stripe, accent color, Light Indigo/Dark Indigo

Years 1998 Models 3 Factory citations 3

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Also documented for Chevrolet

Documented applications

Sierra — GMT400 (1988–2000) →

• 1998 ✓ Factory-verified
  ⛭ GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.

Suburban — GMT400 (1992–1999) →

• 1998 ✓ Factory-verified
  ⛭ GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999) →

• 1998 ✓ Factory-verified
  ⛭ GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of 27A in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.