Air filter. Porsche 911 1972-83  ❭  91111018503

Genuine Porsche OE air filter for Porsche 911 models from 1972–1983
This original Porsche air filter element is fitted within the engine air intake system and helps clean incoming air before it enters the engine, supporting correct combustion, performance and engine protection.

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

It is an OE replacement air filter for selected classic Porsche 911 models and is designed to fit the original Porsche air filter housing.

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

What This Part Does / Functions
•   Filters dust, dirt and debris from incoming engine air
•   Helps protect the engine from abrasive particles
•   Supports clean airflow into the intake system
•   Helps maintain correct combustion and engine performance
•   Helps protect fuel injection and intake components
•   Supports smooth running, throttle response and fuel efficiency
•   Fits the original Porsche air filter housing
•   Provides OE Porsche fitment and filtration quality.

Why Replace This Part?
 The air filter becomes dirty and restricted over time as it traps dust, road debris and airborne particles. A clogged or old filter can reduce airflow, affect engine performance, increase fuel consumption and allow poor filtration if the element is damaged. Replacing it with a Genuine Porsche OE air filter helps maintain proper airflow and protects the engine with the correct factory-specified filter element.

When to Replace This Part
•   During routine service or maintenance
•   If the air filter is dirty, clogged or oil-contaminated
•   If engine performance or throttle response feels reduced
•   If the engine has been used in dusty or dirty conditions
•   If the filter element is damaged, crushed or deteriorated
•   When recommissioning a stored classic Porsche 911
•   When restoring the intake system with correct OE Porsche parts.

Where It Fits on the Car
This air filter fits in the engine air intake system, inside the air filter housing / air box. It filters incoming air before it reaches the intake and fuel injection system.

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Related, superseded, cross reference or alternative numbers for comparison.

91111018503

The product you are viewing cross references to these numbers