Air filter. Porsche 911 1972-83  ❭  91111018503

Air filter
OE Match air filter for Porsche 911 models from 1972 to 1983. This replacement engine air filter helps protect the intake system by filtering dust, dirt, and debris before air enters the engine.

Fits:
Porsche 911 2.4L
Porsche 911 2.7L
Porsche 911 3.0L
Porsche 911 SC 1974 - 1983

This part replaces or supersedes earlier Porsche numbers: 91111018500, 91111018501, 91111018502, 91111018502001

The air filter cleans incoming air before it reaches the engine intake system. A clean, correctly fitted filter helps support smooth running, efficient combustion, throttle response, and long-term engine reliability.

Functions
•  Replaces the engine air filter
•  Filters dust, dirt, and debris from intake air
•  Helps protect internal engine components
•  Supports correct airflow to the intake system
•  Helps maintain smooth running and performance
•  Suitable for routine service and preventative maintenance
•  OE Match replacement for Porsche 911 intake service.

Why Replace This Part?
Air filters become dirty and restricted over time as they collect dust, road dirt, and airborne debris. A blocked or worn filter can reduce airflow, affect performance, increase fuel consumption, and allow contamination into the intake system if damaged. Replacing the air filter regularly helps keep the engine breathing clean air.

When to Replace This Part
•  Routine service interval is due
•  The air filter is dirty, clogged, damaged, or oil-contaminated
•  Engine performance or throttle response feels reduced
•  Fuel economy has worsened
•  Intake system service is being carried out
•  The airbox has been opened for inspection
•  The vehicle is undergoing Porsche 911 maintenance or restoration.

Where it fits on the car
This air filter fits inside the engine air filter housing / airbox on Porsche 911 models from 1972 to 1983. It forms part of the engine intake system.

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Related, superseded, cross reference or alternative numbers for comparison.

91111018503

The product you are viewing cross references to these numbers