Blower hose, Brown paper / aluminium. Porsche 911 1975-83  ❭  91121152201

Blower hose in engine bay, Brown paper / aluminium
Appox 1.1meter long 60mm diameter.

This blower hose is a replacement heater / blower air hose for Porsche 911 models from 1975 to 1983. Manufactured in a brown paper and aluminium style, it is designed to replace the original-style flexible ducting used within the heating and ventilation system.

Fits:
Porsche 911 1975 - 1983
 * Also used on Pre >>1973 911's in the heater system

Diagram ref no 13

The blower hose carries air through the heater and ventilation system, helping direct airflow from the engine bay heater blower system through the correct ducting route. A good blower hose supports cabin heating, ventilation, and demisting performance by maintaining proper airflow without leaks or restrictions.

Functions
• Replaces the heater blower hose
•  Carries warm air through the heating and ventilation system
•  Helps support cabin heating and windscreen demisting
•  Maintains correct airflow through the heater ducting
•  Replaces split, crushed, torn, brittle, missing, or heat-damaged hoses
•  Brown paper / aluminium style for classic Porsche appearance
•  Suitable for heater system repair, refurbishment, or restoration.

Why Replace This Part?
Blower hoses are exposed to heat, age, vibration, moisture, and engine bay conditions. Over time, the hose can become brittle, split, collapse, fray, or detach from its mounting points. A damaged hose can reduce heater output, cause poor demisting, allow air leaks, or leave the heater system incomplete. Replacing the blower hose helps restore correct airflow and reliable heating system performance.

When to Replace This Part
•  The blower hose is split, crushed, torn, brittle, or missing
•  Cabin heating output is weak or inconsistent
•  Windscreen demisting performance is poor
•  Air leaks are present around the heater ducting
•  The heater blower system is being serviced
•  Engine bay heater hoses are being replaced
•  The vehicle is undergoing Porsche 911 heating system restoration.

Where it fits on the car
This blower hose fits within the heater blower and ventilation ducting system on Porsche 911 models. It connects according to the factory heating system layout and supports airflow through the heater circuit.

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Related, superseded, cross reference or alternative numbers for comparison.

91121152201

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