Air filter. Porsche 911 1972-83  ❭  91111018503

Air filter
A genuine MAHLE engine air filter designed as a direct replacement for Porsche part 91111018503, superseding previous part numbers 91111018500, 91111018501, 91111018502, and 91111018502001. Filters dirt and airborne contaminants from the intake air before they enter the engine, helping to maintain proper airflow, efficient combustion, and reliable engine performance while protecting internal engine components from premature wear.

Fits:
Porsche 911 T-K 2.4L 1972 - 1973 Cars with mixture controller
Porsche 911 2.7L 1974 - 1977
Porsche 911 3.0L SC 1978 - 1983

Key Features & Benefits
• Genuine MAHLE OEM-quality filtration
•  Direct replacement for Porsche 91111018503
•  High dirt-holding capacity with excellent airflow
•  Helps maintain engine performance and fuel efficiency
•  Protects the engine from harmful contaminants Simple direct-fit installation

Why Replacing Your Air Filter Matters
The engine air filter gradually becomes clogged with dust and debris, restricting airflow to the engine. Replacing it at the recommended service interval helps maintain engine performance, improve fuel economy, and reduce unnecessary wear on internal engine components.

When to Replace the Air Filter
•  At the manufacturer's recommended service interval
•  During routine annual servicing
•  If the filter appears dirty or clogged
•  After driving in particularly dusty conditions
•  If you notice reduced engine performance or increased fuel consumption

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Related, superseded, cross reference or alternative numbers for comparison.

91111018503

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