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Pollen/Particle Filters

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Special Order item
99757272903
Product Information
Product Information

This Dust and pollen filter insert / cover is for right-hand-drive cars.

Fits

Porsche 997.1 Carrera 2 / Carrera 2S / Carrera 4 / Carrera 4S 2005–08  I099
Porsche 997.1 Turbo / GT2 2007–09  I099
Porsche 997 GT3 / GT3 RS 2007–11  I099
Porsche 997.2 Carrera C2 / C2S / C4 / C4S 2009–12  I099
Porsche 997.2 Turbo 2010–13 and GT2 RS 2011–13  I099
Porsche 987 Boxster / Boxster S 2005–08  I099
Porsche 987.2 Boxster / Boxster S 2009–12  I099
Porsche 987C.1 Cayman / Cayman S 2006–08  I099
Porsche 987C.2 Cayman / Cayman S / Cayman R 2009–12 I099

Check fitment for your specific vehicle, including model, year, engine and right-hand-drive specification, before ordering.

What This Product Does

The insert covers and protects the particulate-filter area beneath the cowl panel. It helps keep the assembly correctly enclosed and provides a factory-specification replacement when the original component is cracked, warped, missing or no longer securing properly.

Functions

  • Covers the particulate-filter area within the cowl assembly
  • Helps shield the filter housing from dust and loose debris
  • Supports correct location of the surrounding cowl components
  • Replaces a damaged, distorted or missing original insert
  • Maintains the original appearance of the under-cowl area

Technical Details

  • Genuine Porsche component
  • Part number: 99757272903
  • Description: dust and pollen filter insert / particulate-filter cover
  • Application: right-hand-drive vehicles
  • Option and diagram references: PR:099, I099, /RL and rhd
  • Required quantity shown in the exploded diagrams: 1

Symptoms of Fault

  • Cracks or splits in the plastic
  • Broken retaining points or mounting tabs
  • A loose panel or rattling from the cowl area
  • Warping that prevents the insert from sitting correctly
  • A missing cover leaving the filter assembly exposed

Why Replacement Matters

Renewing a damaged insert restores the intended enclosure around the particulate-filter assembly and helps prevent movement or rattling beneath the cowl. A genuine Porsche replacement also retains the original mounting arrangement and factory fit. Inspect the adjacent seal, panel nuts, screws and surrounding cowl covers during installation, as these are separate components.





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

99757272903
99757272903

The product you are viewing cross references to these numbers
Special Order item
99757272902
Product Information
Product Information
Pollen filter housing foam lid cover, LHD cars (Left Hand Drive).



Fits:
For Left Hand Drive cars only

Porsche 987.1 Boxster
Porsche 987.2 Boxster
Porsche 997.1 911 Carrera / Turbo / GT2 / GT3
Porsche 997.2 911 Carrera / Turbo / GT2 / GT3
Porsche 987.1 Cayman
Porsche 987.2 Cayman

Click ' Zoom in' for large parts diagram.
Diagram ref no 24

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

99757272902
99757272902

The product you are viewing cross references to these numbers
Special Order item
99757121902
Product Information
Product Information
Pollen particle filter. Please NOTE: This product is for cars with (M571 Option) Activated charcoal filter.



Fits:
Porsche 986 Boxster 1997-04
Porsche 996 1998-05 all models
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKI 2005>>
Porsche 997 MKI 2005-08 all models
Porsche 997 MKII 2009>> all models

This product supersedes Porsche's old part numbers:
- 99657121901
- 99657121902
- 99657121903
- 99757121900

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

99757121902
99757121901
99757121900
99657121903
99757121902

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
Also found on these pages
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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