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Pollen/Particle Filters

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9P1819631
Product Information
Product Information
Pollen particle filter.

Length: 247 mm,
Width: 201 mm,
Height: 41 mm,
Activated Carbon Filter

Fits:
Porsche 981 Boxster 2012>>
Porsche 981C Cayman 2013>>
Porsche 991 (911) Carrera 2012>> MKI
Porsche 991 (911) Carrera 2016>> MKII
Porsche 991 (911) TURBO MKI & MKII
Porsche 991 (911) GT3
Porsche 992 (911) Carrera 2019>>
Porsche 992 (911) turbo 2019>>
Porsche 992 (911) GT3
Porsche GT4 Cayman
Porsche Spyder Boxster
Porsche 718 Boxster 2017>
Porsche 718 Cayman 2017>

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1819631
99157362300
9P1819631

The product you are viewing cross references to these numbers
9P1819631/2
Product Information
Product Information
Pollen particle filter.

Length: 247 mm,
Width: 201 mm,
Height: 41 mm,
Activated Carbon Filter

Fits:
Porsche 981 Boxster 2012>>
Porsche 981C Cayman 2013>>
Porsche 991 (911) Carrera 2012>> MKI
Porsche 991 (911) Carrera 2016>> MKII
Porsche 991 (911) TURBO MKI & MKII
Porsche 991 (911) GT3

Porsche 992 (911) Carrera 2019>>
Porsche 992 (911) turbo 2019>>
Porsche 992 (911) GT3 2019>>
Porsche GT4 Cayman
Porsche Spyder Boxster
Porsche 718 Boxster 2017>
Porsche 718 Cayman 2017>



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1819631
99157362300
9P1819631

The product you are viewing cross references to these numbers
9P1819631/3
Product Information
Product Information
This OE Match activated carbon pollen particle filter is suitable for Porsche 981 Boxster, 981C Cayman, 718 Boxster and Cayman, and 991 and 992-generation 911 models.

Fits:

Porsche 981 Boxster 2012>>
Porsche 981C Cayman 2013>>
Porsche 991 (911) Carrera 2012>> MKI
Porsche 991 (911) Carrera 2016>> MKII
Porsche 991 (911) TURBO MKI & MKII
Porsche 991 (911) GT3
Porsche 992 (911) Carrera 2019>>
Porsche 992 (911) turbo 2019>>
Porsche 992 (911) GT3 2019>>
Porsche GT4 Cayman
Porsche Spyder Boxster
Porsche 718 Boxster 2017>
Porsche 718 Cayman 2017>


What This Product Does

The passenger compartment filter cleans incoming air before it passes through the vehicle's heating, ventilation and air-conditioning system. Its filter medium captures pollen, dust and other airborne particles, while the activated carbon layer helps reduce unwanted exterior odours.


Functions

  • Filters pollen, dust and fine road debris from incoming cabin air
  • Helps reduce odours entering through the ventilation system
  • Supports consistent airflow through the heater and air-conditioning vents
  • Limits contamination reaching the blower housing and air distribution system
  • Provides routine replacement for a blocked or ageing cabin filter


Technical Details

  • Filter type: activated carbon pollen and particle filter
  • Length: 247 mm
  • Width: 201 mm
  • Height: 41 mm
  • Previous / cross-reference number: 99157362300


Symptoms of Fault

  • Reduced airflow from the cabin vents
  • Musty or unpleasant smells when the blower starts
  • Windows taking longer than usual to demist
  • Increased dust inside the passenger compartment
  • Additional blower noise caused by restricted airflow


Why Replacement Matters

A cabin filter gradually fills with pollen, road dust, leaves and other contamination. Renewing a restricted filter helps restore ventilation airflow, improve cabin air cleanliness and reduce the load placed on the blower. Replacement is particularly relevant during routine servicing or when the vehicle is regularly driven in urban, dusty or high-pollen environments.


FAQs

  • When should the cabin filter be replaced?
    Follow the maintenance schedule for the vehicle and inspect it sooner where the car is used in heavy traffic, dusty conditions or areas with high pollen levels.
  • What is the benefit of activated carbon?
    The carbon layer supplements particle filtration by helping to reduce exterior odours and fumes entering the cabin.
  • Is fitting direction important?
    Yes. Install the filter according to the airflow-direction marking and clear loose leaves or debris from the surrounding intake area.


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1819631
99157362300
9P1819631

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Pollen/Particle Filters

Porsche Pollen & Particle Filters | Design911 Cabin Air Filtration for Clean, Fresh Air

Pollen and particle filters are vital to maintaining a clean and healthy cabin environment in your Porsche. These filters trap dust, pollen, and airborne contaminants before they enter the vehicle’s ventilation system, ensuring fresh, purified air for both driver and passengers. A high-quality cabin filter not only improves air quality but also protects sensitive HVAC components from clogging and premature wear — essential for comfort, safety, and system longevity.

At Design911, we supply a premium selection of pollen and particle filters engineered for maximum filtration efficiency and airflow. Available in both standard and activated carbon variants, our filters are designed to remove allergens, odours, and fine particulates for a cleaner, more comfortable driving experience. Ideal for routine servicing, interior refurbishment, or long-distance maintenance, our filters ensure your Porsche’s air remains as refined as its performance.

What Do Pollen & Particle Filters Do?

Pollen and particle filters (also known as cabin air filters) clean the air that enters your Porsche’s interior through the heating, ventilation, and air conditioning (HVAC) system.

Core Functions:
• Capture dust, pollen, and fine particulate matter from outside air.
• Remove odours, pollutants, and exhaust gases (in carbon filters).
• Protect HVAC components from dust accumulation and blockage.
• Maintain consistent airflow for optimal climate control.
• Improve cabin comfort and protect occupants from allergens.

A clean cabin filter helps maintain Porsche’s signature refinement by ensuring fresh, pollutant-free air inside the vehicle.

Why Do Pollen & Particle Filters Fail or Degrade?

Cabin filters naturally accumulate dust and debris over time, which can lead to reduced airflow and musty odours if not replaced regularly.

Common Causes of Failure Include:
• Blockage from pollen, leaves, and fine road dust.
• Moisture buildup causing mould or bacteria growth.
• Saturation with exhaust soot or urban pollution.
• Restricted airflow leading to reduced HVAC performance.
• Age-related deterioration of filter material.

A clogged filter can lead to poor air quality, unpleasant odours, and increased strain on the HVAC system — making timely replacement essential for performance and health.

Why Replace or Upgrade Your Porsche Pollen / Particle Filter?

Replacing your cabin filter restores airflow, filtration performance, and interior comfort. Upgrading to activated carbon or multi-layer filters offers even greater protection against pollutants and odours.

Key Benefits:
• Restores clean, fresh airflow to your Porsche’s cabin.
• Removes pollen, dust, and harmful pollutants.
• Improves HVAC efficiency and air circulation.
• Available in standard and activated carbon configurations.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Cayenne, Panamera, and Macan models.
• Ideal for servicing, annual maintenance, or interior upgrades.

Design911’s Porsche pollen and particle filters combine advanced filtration materials and precision fitment — keeping your driving environment clean, comfortable, and contaminant-free.

Highlights

• Premium Porsche pollen and particle filters for all models.
• Engineered for maximum airflow and filtration efficiency.
• Removes pollen, dust, and airborne contaminants.
• Activated carbon options for odour and gas absorption.
• Easy replacement for annual servicing or detailing.
• Essential for comfort, health, and HVAC protection.

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