FXK ✓ Factory-verified

Buick · Regular Production Option

Axle, 2.89 final drive ratio

Years 2018–19 Models 2 Factory citations 4

Query this via API →

Also described as Axle, 2.90 ratio

Also documented for ChevroletPontiacSaturn

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019) →

• 2018–2019 ✓ Factory-verified

  2019: Sport Touring, Avenir: S; Preferred, Essence, Premium: O; with LGX

  ⛭ GM factory document — 2018 buick lacrosse order guide copy gm authority, p.5.

  ⛭ GM factory document — 2019 buick lacrosse order guide copy gm authority, p.7.

Regal — E2XX (2018–2020) →

• 2018–2019 ✓ Factory-verified

  only in: Sportback; 2019: all trims: S (2019 Sportback order guide)

  ⛭ GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1, p.5.

  ⛭ GM factory document — 2019 buick regal sportback order guide copy gm authority, p.7.

Related codes · mentioned in these notes

LGX

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