G86 ✓ Factory-verified

Cadillac · Regular Production Option

Axle, limited slip

Years 2003–06, 2023, 2025–26 Models 3 Factory citations 7

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Also described as Rear differential, mechanical limited-slip

Also documented for BuickChevroletGMC

Documented applications

Escalade EXT — GMT800 (2002–2006) →

• 2003–2006 ✓ Factory-verified
  ⛭ GM factory document — 2003 cadillac escalade ext rpo code list, p.1.

  ⛭ GM factory document — 2006 cadillac escalade ext rpo code list, p.1.

Escalade — GMT800 (2002–2006) →

• 2003–2006 ✓ Factory-verified
  ⛭ GM factory document — 2003 cadillac escalade 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 cadillac escalade rpo code list, p.1.

Escalade — T1XX, 5th gen (2021–2027) →

• 2023, 2025–2026 ✓ Factory-verified

  2026: base Escalade: S

  ⛭ GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.10.

  ⛭ GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.7.

  ⛭ GM factory document — 2026 cadillac escalade escalade v fleet order guide, p.8.

Related codes · mentioned in these notes

S

This page aggregates every documented appearance of G86 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.