Please wait… 
Please wait while we process your order,
do not press the back button… 
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://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram
Select your vehicle to check compatibility
Special Order item
99611013171
Product Information
Product Information
Replacement panel air filter.
Genuine Porsche engine air filter, manufactured to Porsche’s exact factory specifications. This filter is the correct OEM replacement for selected Porsche 911 (996 and 997) performance models, ensuring precise fitment, correct airflow characteristics, and the level of filtration required for high-performance flat-six engines.

Fits:
Porsche 996 Turbo 2000 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 996 GT2 2000 - 2005
Porsche 997.1 GT3 2007 - 2009
Porsche 997.2 GT3 2010 - 2011 (Not for RS)

Diagram ref no 2

The filter is designed to fit perfectly within the factory airbox, sealing correctly against the housing to prevent unfiltered air from entering the intake system. Using a Genuine Porsche air filter ensures the engine continues to operate exactly as Porsche intended, particularly important for high-output and motorsport-derived engines.

The engine air filter plays a critical role in protecting the engine while supporting optimal combustion. As air is drawn into the intake system, it carries dust, dirt, and microscopic debris that can cause internal engine wear if not filtered properly.

The air filter:
  Removes harmful airborne contaminants before they reach the engine
  Maintains correct airflow for efficient combustion
  Supports stable power delivery and throttle response
  Helps preserve long-term engine reliability and performance

By ensuring only clean, properly metered air reaches the combustion chambers, this filter protects vital engine components such as pistons, valves, cylinder walls, and sensors.

High-performance Porsche engines rely on precise airflow management. A clogged, incorrect, or poorly manufactured air filter can lead to restricted airflow, reduced efficiency, and increased internal wear. Using a Genuine Porsche air filter ensures:
  Factory-correct airflow and filtration balance
  Protection of sensitive internal engine components
  Maintained performance and throttle response
   Compliance with Porsche service and maintenance standards

Replace the air filter if:
  The filter element shows visible dirt or heavy discoloration
  Engine response feels reduced or inconsistent
  Fuel consumption has increased
  The vehicle has reached a scheduled service interval
  The car is driven frequently in dusty or high-pollution environments

Regular inspection and replacement help protect engine health and performance.

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

99611013171

The product you are viewing cross references to these numbers
Related products