Air Filter. Porsche 987 Boxster / 987C Cayman 2005-12  ❭  98711013301

• Porsche Boxster S 986 3.2L 2003-04
• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche Boxster 987 MKII 2.9L 2009-12
• Porsche Boxster S 987 MKII 3.4L 2009-12
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12  

The engine air filter sits within the vehicle's air intake system and cleans incoming air before it reaches the engine. It captures road dust, dirt, pollen and other airborne particles that could otherwise enter the combustion chambers.

Effective filtration helps protect important internal components, including pistons, valves and cylinder walls, against abrasive contaminants that can contribute to premature wear. At the same time, the filter must allow sufficient airflow for efficient combustion and predictable engine response.

A correctly functioning air filter therefore helps support:

• Clean airflow into the engine
  
• Efficient and consistent combustion
• Smooth throttle response and power delivery
• Protection of internal engine components
• Normal fuel economyLong-term engine reliability
  
  

Common signs that the air filter may require replacement include:

• Visible dirt, dust or heavy discolouration of the filter element
  
• Reduced throttle responseSluggish acceleration
  
• Restricted engine performance, particularly under load
• Higher than normal fuel consumption
• A heavily contaminated or blocked filter element
• Filter media that is damaged, deteriorated or deformed
• The manufacturer's scheduled replacement interval has been reached

Vehicles regularly driven in dusty or high-particle environments may require more frequent air filter inspection and replacement.

Why Replacement Matters:

• A clogged air filter can restrict airflow into the engine, making it more difficult for the intake system to supply the air required for efficient combustion. This can contribute to reduced responsiveness and increased fuel consumption.
• A damaged or excessively deteriorated filter can present a different problem: inadequate filtration may allow abrasive particles to reach internal engine components, potentially contributing to unnecessary wear over time.
• Installing a fresh BOSCH air filter restores effective filtration and unrestricted clean-air delivery, helping maintain engine performance, efficiency and long-term protection.
• Regular replacement is a simple but important part of preventative Porsche maintenance, particularly because the air filter directly influences both the cleanliness and quantity of air entering the engine.