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Hoses / Pipes / Sleeves
Fits:
Porsche 911 / 912 / 914 (1965-1971)
Please note: Two needed for 1968-1969.
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110829100
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)
The OE Match Hot Air Hose is a flexible engine ducting hose designed for classic Porsche models. It connects the heat exchanger to the air filter housing, allowing warm air to be directed into the intake system.
Fits:
Porsche 911 / 912 / 914 (1965 - 1971)
Please note: Two needed for 1968-1969.
Diagram ref no 16
The hose channels warm air from the heat exchanger into the air intake system, helping the engine reach optimal operating conditions more quickly. This improves fuel vaporisation and engine efficiency during cold running.
Without proper airflow through this hose, cold start performance and drivability may be affected.
Function
• Transfers warm air from heat exchanger to air filter housing
• Supports cold start performance and engine warm-up
• Improves fuel vaporisation in carburettor/injection systems
• Maintains correct airflow within intake system
Over time, hot air hoses can become brittle, cracked, or collapsed due to heat and age. This can reduce airflow efficiency and impact engine performance, especially during cold starts.
Replacing the hose restores proper airflow, improves engine efficiency, and helps maintain the correct operation of the intake system - particularly important for classic carburetted engines.
When to replace
• Cracked, brittle, or split hose
• Collapsed or restricted airflow
• Poor cold start performance
• Missing or disconnected ducting
• During engine bay restoration or service
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110829100
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)

Fits:
Porsche 911 1965-73
Porsche 914/6 1970-72
Click 'Zoom in' for large parts diagram.
Diagram ref no 6/1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970307650
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)

Fits:
Porsche 911 1965-73
Porsche 914/6 1970-72
Click 'Zoom in' for large parts diagram.
Diagram ref no 6/1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970307650
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)
Sold in 1 meter lengths.
##
#Fits:
Porsche 911 SC - 1978 to 1983
Porsche 911 turbo - 1975 to 1977
Porsche 924 - 1976 to 1985
Porsche 914 - 1970 to 1976
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAF020353
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 914 (1970-1976)
Air Inlet Hoses, Pipes & Sleeves – Durable Intake Components for Porsche Performance
Air inlet hoses, pipes, and sleeves are essential components of your Porsche’s intake system, connecting the air filter housing, throttle body, turbocharger, and intercooler. They ensure a smooth and sealed flow of air into the engine, supporting efficient combustion, responsive acceleration, and consistent performance.
At Design911, we supply a full range of genuine and high-quality air inlet hoses, pipes, and sleeves for numerous Porsche models that include 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each component is engineered for precision fitment, heat resistance, and airflow stability — helping your Porsche deliver the performance and reliability it’s known for.
What Do Air Inlet Hoses, Pipes & Sleeves Do?
These components channel filtered air through the intake
system to the engine’s combustion chambers. Their main functions include:
- Maintaining
airtight airflow between intake components.
- Reducing
turbulence and air loss for improved throttle response.
- Supporting
optimal air pressure for turbocharged and naturally aspirated engines.
- Protecting against contaminants that can reduce performance or cause engine wear.
In turbocharged Porsche models, these parts also help manage boost pressure, making them crucial to both efficiency and power delivery.
Why Do Air Inlet Hoses, Pipes & Sleeves Fail?
Due to their constant exposure to heat, vibration, and
engine movement, air inlet components can deteriorate over time. Common causes
of failure include:
- Cracking
or splitting from heat cycles and material fatigue.
- Oil
or fuel vapor contamination softening the rubber or plastic.
- Loose
or damaged clamps causing vacuum or boost leaks.
- Age-related
hardening leading to brittle connections.
- Excessive boost pressure stressing the hose in performance applications.
Symptoms of failure include hissing or whistling noises, loss of boost pressure, poor throttle response, rough idling, or a check engine light caused by airflow irregularities.
Why Replace Worn Air Inlet Components?
A leaking or damaged inlet hose can cause unmetered air to enter the engine, resulting in incorrect fuel-air ratios, poor performance, or even turbocharger strain. Replacing worn or cracked hoses and pipes ensures proper airflow, efficient combustion, and reliable performance.
Benefits of replacement include:
- Restored air pressure and engine response.
- Improved turbo efficiency and power delivery.
- Enhanced fuel economy and reduced emissions.
- Long-term reliability with manufacturer-quality materials.
All hoses, pipes, and sleeves available at Design911 are crafted from high-temperature silicone, reinforced rubber, or aluminium alloys for superior sealing, flexibility, and strength — ensuring dependable performance under demanding conditions.