Tire inflator kit

Years 2014–16, 2018–19, 2026–27 Models 5 Factory citations 9

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Also documented for Cadillac Chevrolet GMC

Documented applications

Encore GX — VSS-F (2020–2027)

2026–2027 Factory-verified

Preferred, Sport Touring, Avenir: S; standard from 2026 in place of the spare tire (GM Authority, 2025-03)

GM factory document — 2026 buick encore gx fleet order guide, p.7.
GM factory document — 2027 buick encore gx fleet order guide, p.7.

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

2019: Base, Preferred, Sport Touring, Essence, Premium: S; with LHN

GM factory document — 2018 buick lacrosse order guide copy gm authority, p.9.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.7.

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: 1SB, 1SL FWD: S; with LUK

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.3.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Regal, Preferred II, Essence, Avenir, GS: S (2019 Sportback order guide)

GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.
GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.
GM factory document — 2019 buick regal sportback order guide copy gm authority, p.6.

Regal — Epsilon II, 5th gen (2011–2017)

2014, 2016 Factory-verified

new for 2014, replacing WTR (GM's 2014 list); 2016: 1SN: O; 1SX: S; on FWD 1SN only with LUK

GM factory document — 2016 buick regal order guide copy gm authority, p.5, p.21.

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