KAX

KAX Engine & Cabin Air Filter Kit CA12166/CF11966 — 2-in-1 for Chevy/GMC SUVs, Charcoal Cabin & Layered Engine Media

High-performance automotive accessories made for confident daily results

$43.98

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Why customers choose NorthTrail Auto

KAX CA12166 CF11966 is a 2-in-1 engine and cabin air filter kit engineered to restore engine breathing and cabin freshness for compatible GM SUVs.

Keep both the engine intake and passenger compartment air working at peak efficiency with a single purchase. This KAX filter kit bundles one engine air filter and one cabin air filter designed to fit a range of Chevrolet, GMC, Cadillac and Buick SUVs from model years listed below. The cabin element uses coconut shell‑activated charcoal to reduce odors, while the engine filter uses layered media to protect the motor from dust and particulates. Together they simplify routine maintenance and reduce the chance of one filter being overlooked.

Which vehicles are compatible with this KAX filter kit?

This kit covers specific GM crossover and SUV models across recent years. Before ordering, confirm part numbers and your vehicle’s model year to ensure fitment.

  • Chevrolet: Traverse (2018–2026), Blazer (2019–2026), Traverse Limited (2024)
  • GMC: Acadia (2017–2026)
  • Cadillac: XT5 (2017–2026), XT6 (2020–2025)
  • Buick: Enclave (2018–2026)

How do these two filters improve daily driving?

The engine air filter helps maintain proper air flow into the engine, which supports fuel efficiency and throttle response, while the cabin filter reduces dust and odors inside the vehicle. Replacing both at the same time ensures balanced maintenance for performance and passenger comfort.

  • Engine filter: captures dust and debris before they enter the intake system
  • Cabin filter: activated charcoal layer neutralizes odors and some gaseous contaminants
  • Paired replacement: prevents uneven wear and keeps both systems optimized

How easy is it to install the KAX CA12166 CF11966 kit?

Installation is designed for quick, no‑special‑tool replacement. Most owners can complete both filter swaps in about five minutes using basic tools or even hand removal depending on the model.

  • Engine filter: accessible under the hood in the airbox; lift clips or remove screws
  • Cabin filter: located behind glovebox or under dash; slide or unclip the cover
  • DIY-friendly: stepwise replacement avoids trips to the shop and saves labor cost

When should I replace these filters?

KAX recommends synchronized replacement to simplify service intervals. Change both elements on a regular schedule or sooner if driving in heavy dust, smoke, or severe pollution.

  • Suggested interval: every 12 months or every 12,000 miles
  • Inspect earlier if you notice reduced HVAC airflow, persistent odors, or decreased engine performance
  • Buying the combo saves time and ensures neither filter is neglected

Who is this for: The KAX CA12166 CF11966 kit is aimed at owners of compatible Chevrolet, GMC, Cadillac and Buick SUVs who prefer proactive, cost‑effective maintenance. It's especially useful for DIY enthusiasts, fleet managers, and anyone wanting both cleaner cabin air and reliable engine intake protection without ordering parts separately. Choose this kit when you want a straightforward, time‑saving solution that pairs an odor‑reducing cabin filter with a high‑efficiency engine filter to maintain comfort and engine health between service intervals.

FAQ

Q: Does this kit fit my 2021 GMC Acadia?

A: Yes. The KAX CA12166 CF11966 kit lists GMC Acadia 2017–2026 as compatible; verify part numbers before purchase.

Q: How often should I change both filters?

A: Replace both every 12 months or every 12,000 miles, sooner if you drive in dusty or polluted conditions.