K6J ✓ Factory-verified

Buick · Regular Production Option

Air filter, pollutant and fine dust

Years 2025–27 Models 3 Factory citations 10

Query this via API →

Also described as Air filter with microfilter technology

Also documented for Cadillac

Documented applications

Encore GX — VSS-F (2020–2027) →

• 2025–2027 ✓ Factory-verified

  Avenir: S

  ⛭ GM factory document — 2025 buick encore gx fleet order guide, p.1.

  ⛭ GM factory document — 2026 buick encore gx fleet order guide, p.1.

  ⛭ GM factory document — 2027 buick encore gx fleet order guide, p.1.

Envision — E2XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  2027: all trims: S

  ⛭ GM factory document — 2025 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide, p.1.

Envista — VSS-F (2024–2027) →

• 2025–2026 ✓ Factory-verified

  Avenir: S

  ⛭ GM factory document — 2025 buick envista fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 buick envista fleet order guide, p.1.

  ⛭ GM factory document — 2026 buick envista fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 buick envista fleet order guide, p.1.

This page aggregates every documented appearance of K6J in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.