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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram
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Product Information
Cabin Air Filter / Interior Air Filter
OE Match replacement panel cabin interior air filter engineered to replicate the quality and dimensional accuracy of the genuine Porsche part, ensuring a direct fit into the vehicle’s HVAC intake system.

Length: 300 mm,
Width: 90 mm,
Height: 30 mm,
Particulate Filter

Fits:
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 2019
Porsche 981 Boxster 2012 - 2016
Porsche 981C Cayman 2013 - 2016
Porsche 718 (982) Boxster 2017>>
Porsche 718C (982C) Cayman 2017>>

Diagram ref no 14

The cabin air filter screens incoming air before it enters the vehicle’s cabin ventilation system, capturing pollutants, pollen, dust, and debris that can reduce air quality and affect HVAC performance. A properly functioning filter helps maintain a clean and comfortable cabin environment, reduces HVAC system strain, and supports interior air quality - particularly beneficial for allergy sufferers and those driving frequently in urban or dusty environments.

Function: Installed in the HVAC intake, this OE Match filter traps fine particles while allowing airflow into the heating and air-conditioning system. Over time, cabin air filters can become clogged or saturated, which may reduce airflow and increase strain on the blower motor. This OE Match replacement restores proper filtration and airflow, helping the climate control system operate efficiently.

Over time, the cabin air filter accumulates dust, pollen, soot, and other airborne contaminants, which can restrict airflow, reduce HVAC efficiency, and degrade interior air quality. A clogged filter can force the HVAC system to work harder, increasing wear on the blower motor and reducing comfort levels. Installing a fresh OE Match filter helps maintain airflow, improve cabin air quality, and support efficient heating and cooling performance.

When to replace:
  After 12,000–15,000 miles or at regular service intervals
  If reduced airflow or unpleasant odours are noticed
  Following long exposure to dusty, polluted, or pollen-rich conditions
  When HVAC system is serviced for performance or maintenance

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