Pollen particle filter. Porsche 981 Boxster / 991 / 992 / 981C Cayman  ❭  9P1819631

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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.