5FF ✓ Factory-verified

GMC · Regular Production Option

LPO, wheels, 24 inch (61.0 cm) bright PVD

Years 2025–27 Models 2 Factory citations 6

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Also documented for Chevrolet

Documented applications

Yukon — T1XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  2027: Denali, Denali Ultimate: O; the 2025 code list reads Bright Chrome PVD

  ⛭ GM factory document — 2025 gmc new yukon denali fleet order guide, p.36.

  ⛭ GM factory document — 2026 gmc yukon denali fleet order guide, p.37.

  ⛭ GM factory document — 2027 gmc yukon fleet order guide, p.33.

Yukon XL — T1XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  2027: Denali, Denali Ultimate: O; the 2025 code list reads Bright Chrome PVD;

  ⛭ GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.38.

  ⛭ GM factory document — 2026 gmc yukon xl denali fleet order guide, p.39.

  ⛭ GM factory document — 2027 gmc yukon xl fleet order guide, p.34.

This page aggregates every documented appearance of 5FF in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.