[Lifetime Warranty] CF11819 CP819 Activated Cabin Carbon Air Filter
Blue Stars activated carbon cabin air filter with product packaging box.
CF11819 CP819 activated carbon cabin air filter replacement for vehicle with truck background.
Infographic showing three-layer activated carbon cabin air filter design and close-up material texture.
Comparison chart showing BlueStars activated carbon cabin air filter features versus standard filters.
Mechanics installing a CF11819 CP819 activated cabin air filter in a car engine bay.
CF11819 activated carbon cabin air filter showing 8.86 inch by 9.84 inch dimensions and vehicle compatibility list.
Happy family driving in a car to promote BlueStars activated cabin carbon air filter airflow.
Blue Stars activated carbon cabin air filter with product packaging box.
CF11819 CP819 activated carbon cabin air filter replacement for vehicle with truck background.
Infographic showing three-layer activated carbon cabin air filter design and close-up material texture.
Comparison chart showing BlueStars activated carbon cabin air filter features versus standard filters.
Mechanics installing a CF11819 CP819 activated cabin air filter in a car engine bay.
CF11819 activated carbon cabin air filter showing 8.86 inch by 9.84 inch dimensions and vehicle compatibility list.
Happy family driving in a car to promote BlueStars activated cabin carbon air filter airflow.
Lifetime Warranty

[Lifetime Warranty] CF11819 CP819 Activated Cabin Carbon Air Filter

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CF11819 CP819 Activated Cabin Carbon Air Filter

Key Features

  • Embedded activated carbon layer neutralizes odors and gases.
  • High-efficiency particulate media captures dust, pollen, and other airborne contaminants.
  • Designed to improve in-vehicle air quality for passengers.
  • Maintains airflow performance of the heating, ventilation, and air conditioning (HVAC) system.

Replaces / Cross-Reference Part Numbers

  • Fram: CF11819
  • EPAuto: CP819
  • Hyundai / Kia: 97133-3SAA0, 97133-2W000
  • GM: 20857930, 23199345

Compatibility & Fitment

  • Chevrolet: Equinox (2010-2017)
  • GMC: Terrain (2010-2017)
  • Hyundai: Azera (2012-2017), Santa Fe (2013-2018), Santa Fe Sport (2013-2018), Santa Fe XL (2019), Sonata (2011-2019)
  • Kia: Cadenza (2014-2020), Optima (2011-2020), Sedona (2015-2021)
  • Saturn: Vue (2008-2010)

When to Replace

  • Recommended replacement every 12,000 miles or once per year.
  • Replace sooner if driving in areas with high dust or pollution levels.
  • Symptoms requiring replacement include a noticeable musty odor from vents or reduced airflow from the HVAC system.

Installation Tips

  • The filter housing is typically located behind the glove compartment.
  • Observe the airflow direction indicator on the old filter frame before removal.
  • Install the new filter with the airflow arrow pointing in the correct direction as indicated on the housing.
  • Ensure the filter access door is securely latched to prevent unfiltered air bypass.

FAQ

This filter is designed for select Chevrolet, GMC, Hyundai, Kia, and Saturn vehicles. Compatible models include the Chevrolet Captiva Sport and Equinox, GMC Terrain, Hyundai Azera, Santa Fe, and Sonata, Kia Cadenza, Optima, and Sedona, and the Saturn Vue. Because fitment varies by year, trim, and HVAC configuration, we recommend matching your original filter number and vehicle application before ordering.
This filter replaces part numbers CF11819 and CP819. It also cross-references with OEM and aftermarket numbers 13356914, 13356916, 3SF79-AQ000, 97133-3SAA0, 19130294, and CF10742. Matching one of these numbers from your existing filter or vehicle maintenance records confirms compatibility.
An activated carbon cabin filter traps dust, pollen, and other airborne debris while neutralizing odors from traffic, exhaust, and outside air. By filtering the air entering the passenger compartment through the HVAC system, it improves interior air quality and eliminates musty smells.
Common indicators include weak airflow from the vents, increased window fogging, visible dust inside the cabin, musty or stale odors when the fan is running, and extra strain or noise from the blower motor. If your current filter appears dark, clogged, or packed with debris, it is time for a replacement.
Replacing this cabin air filter is a straightforward maintenance task. On most compatible vehicles, the filter is located behind the glove box. Installation typically takes 5 to 15 minutes and often requires no tools, though some models may require a small screwdriver to release dampers or access panels.
Before installing the new filter, remove any leaves, dust, or debris from the filter housing. Ensure you note the airflow direction of the old filter so the new one is installed in the same orientation. It is also a good opportunity to check the HVAC box for moisture, as dampness can cause recurring odors even after the filter is replaced.