FITMENT
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2015-2019 Chevy Silverado & GMC Sierra 2500 HD 3500 HD
OEM Cross-Reference
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CP809,CF11809,CF188,23281440,22808781
DESCRIPTION
Product Overview
- Upgrade your interior air quality with this high-efficiency replacement cabin air filter. Featuring an advanced multi-layer filtration media integrated with premium activated carbon, it blocks up to 99% of fine airborne particles—including road dust, pollen, soot, and seasonal allergens—while actively neutralizing harsh exhaust fumes and persistent odors before they reach the cabin.
- Engineered for precise OEM direct-fit replacement, this filter maintains optimal HVAC airflow volume to protect your blower motor and cooling evaporator from dust accumulation. Designed as a quick, hassle-free DIY installation behind the glovebox, it restores clean, crisp air circulation to keep your truck interior comfortable and fresh on every drive.
Key Features
- Three-stage filtration media blocks road dust, traps micro-allergens, and utilizes an activated carbon layer to neutralize harsh exhaust fumes and odors.
- Precision-pleated media design optimizes total surface area to maximize dust-holding capacity without restricting HVAC air volume or cooling efficiency.
- Moisture-resistant synthetic fibers prevent humidity absorption from A/C condensation cycling, eliminating the source of musty vent odors.
- Factory-matched frame tolerances ensure a tight, rattle-free fit inside the housing, preventing unfiltered bypass air from entering the cabin.
Replacement Interval
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Replace the cabin air filter every 12,000 to 15,000 miles, or at least once annually under standard driving conditions. Reduce the replacement interval to twice yearly (spring and autumn) if operating frequently in heavy pollen regions, agricultural areas, or high-density urban traffic with heavy diesel exhaust exposure.
FAQ
Q: Where is the cabin filter located on my 2016 Silverado 2500 HD?
A: It is located directly behind the glovebox. To access it, open the glovebox, release the side dampener/tabs to swing the box downward, and unlatch the rectangular filter access door. Slide out the old filter and insert the new one with the airflow arrow pointing downward.
Q: How do I know which direction the airflow arrow on the new filter should point during installation?
A: The airflow arrow on the edge of the filter frame indicates the direction of air movement through the HVAC system. For this vehicle application, the air flows from top to bottom, so the arrow printed on the filter frame must point downward toward the floorboard during installation.
Q: Does this cabin filter help eliminate harsh exhaust smells and persistent odors?
A: Yes. This filter incorporates an integrated activated carbon layer, which actively absorbs and neutralizes outside odors, heavy diesel exhaust fumes, and stale HVAC moisture before the air enters the interior.
Q: Can a clogged cabin air filter weaken my windshield defroster in the winter?
A: Yes. A heavily clogged or saturated cabin filter severely restricts overall air volume through the HVAC ducting. Reduced airflow means less air reaches the windshield vents, making defrosting noticeably slower on cold or humid mornings.
Q: Is there a package available to replace both the engine air and cabin filters at once?
A: The Air & Cabin combos pair the right engine air filter with this cabin filter. 2015–2016 LML trucks use the Air & Cabin Kit; 2017–2019 L5P trucks use the Air & Cabin Kit.
