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Porsche > 911 & 912 (1965-1989) > Engine Rebuild Parts > Air Intake & Injection >

Hoses / Pipes / Sleeves

Hoses / Pipes / Sleeves

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DISPLAYING 65 to 71 (of 71 products)
<< 2 3 4 5
Turbo vacuum hose kit. Porsche 930 Turbo 1978-1989 - 99923903440, 99923903440, 99923900640, 99923901340, 99923901340 - DO88
4
Turbo vacuum hose kit. Porsche 930 Turbo 1978-1989
DO88-KIT144S
Product Information
Product Information
Silicone turbo vacuum hose kit.
Made from high quality silicone rubber with 3 layer polyester reinforcement.

doeighteight

To Fit:
Porsche 911 (930 Turbo) 1978-1989 with 3.3 Litre Turbo engine


Hoses included:
• Wastegate hose, OEM ref 99923903440
• Warm-up valve / Air filter box, OEM ref 99923900640 / 99923903440
• Warm-up valve / T-connection on throttle body, OEM ref 99923901340
• T-connection on throttle body / Vacuum limiter, OEM ref 99923901340

Please refer to the product images for confirmation of position of the hose.

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Related, superseded, cross reference or alternative numbers for comparison.

DO88-KIT144S
99923903440
99923903440
99923900640
99923901340
99923901340

The product you are viewing cross references to these numbers
Turbo vacuum hoses clamp kit. Porsche 930 Turbo 1978-1989 - 99923903440, 99923903440, 99923900640, 99923901340, 99923901340 - DO88
1
Turbo vacuum hoses clamp kit. Porsche 930 Turbo 1978-1989
CLAMP-KIT144
Product Information
Product Information
Turbo vacuum hoses clamp kit.

doeighteight

To Fit:
For Turbo vacuum hose kit #DO88-KIT144S
Porsche 911 (930 Turbo) 1978-1989 with 3.3 Litre Turbo engine

Kit of 8 clamps

The kit contains all necessary hose clamps to install the specified hose kit. The included clamps are a high quality standard design type in all stainless steel (W4 class) with a stamped band to minimize impact on hose surface.

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Related, superseded, cross reference or alternative numbers for comparison.

CLAMP-KIT144
99923903440
99923903440
99923900640
99923901340
99923901340

The product you are viewing cross references to these numbers
Vacuum control hose for clutch. Porsche 911 67-72 - 90510807500, 012756 - URO-012756
2
Vacuum control hose for clutch. Porsche 911 67-72
Special Order item
90510807500
Product Information
Product Information
Vacuum control hose for clutch.
From intake manifold to control valve for Sportomatic trans clutch release.

porsche

Fits:
Porsche 911 1967-1968 w/ Sportomatic transmission
Porsche 911 1969-1972 Sportomatic

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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

90510807500
90510807500
012756

The product you are viewing cross references to these numbers
Vacuum control hose for clutch. Porsche 911 67-72 - 90510807500 - URO-012756
5
Vacuum control hose for clutch. Porsche 911 67-72
90510807500/1
Product Information
Product Information
Vacuum control hose for clutch.
From intake manifold to control valve for Sportomatic trans clutch release.

Fits:
Porsche 911 1967-1968 w/ Sportomatic transmission
Porsche 911 1969-1972 Sportomatic

Diagram ref no 14

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

90510807500
90510807500

The product you are viewing cross references to these numbers
Vacuum hose 1 meter length. Porsche 911 turbo / 911 SC / 924 / 914 - 99918171040, N0203531, N0203535, PCG0203535, PAF020353
2
Vacuum hose 1 meter length. Porsche 911 turbo / 911 SC / 924 / 914
Special Order item
PAF020353
Product Information
Product Information
Vacuum hose - 3,5 x 2
Sold in 1 meter lengths. 

Fits:

  • 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 914 (1970-1976)



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

PAF020353
99918171040
N0203531
N0203535
PCG0203535
PAF020353

The product you are viewing cross references to these numbers
Vacuum Hose 3.2 x 7mm Sold by the Metre. Porsche 911 / 911 turbo - 99918128150 - PKS32T
2
Vacuum Hose 3.2 x 7mm Sold by the Metre. Porsche 911 / 911 turbo
99918128150/1
Product Information
Product Information

Vacuum Hose 3.2x7mm
Sold per metre

This versatile hose is sold per metre, allowing you to cut to the exact length required for your application. It is used across various engine bay systems, including vacuum circuits, fuel system connections, and emissions-related components.

Fits:

  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1975-1977 3.0L Turbo (930)

 
Diagram ref no 49-50

Manufactured for durability and flexibility, this hose ensures reliable performance under engine bay conditions, making it ideal for maintenance, repair, or full restoration of classic Porsche models.

Key Features

• 3.2mm internal diameter vacuum hose
• 7mm outer diameter for correct fitment
• Sold per metre for custom lengths
• Suitable for Porsche 911 and 911 turbo (1970–1977)
• Multi-use across vacuum and fuel systems
• Flexible and durable construction
• OEM-style specification

Function and Purpose

This vacuum hose is used across multiple engine systems.

It helps to:
• Maintain vacuum pressure for engine operation
• Connect vacuum-controlled components
• Support fuel system and carburettor functions
• Ensure proper airflow and system balance
• Enable reliable engine performance

Why Replace Vacuum Hoses

Over time, rubber hoses degrade due to heat and age.

Common issues include:
• Cracking or splitting
• Vacuum leaks affecting performance
• Hardening and loss of flexibility
• Reduced system efficiency

Replacing old hoses restores proper vacuum function and engine reliability.



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

99918128150
99918128150

The product you are viewing cross references to these numbers
Vacuum Hose Sold by the Meter. Porsche 911 turbo / 911 SC / 924 / 914 - 99918171040, N0203531, N0203535, PCG0203535, PAF020353 - PKS35T
2
Vacuum Hose Sold by the Meter. Porsche 911 turbo / 911 SC / 924 / 914
PAF020353/1
Product Information
Product Information

Vacuum Hose 3.2 x 2mm 
Sold per metre

High-quality vacuum hose 3.2 x 5mm designed for various Porsche models.

This versatile hose is sold per metre, allowing you to cut to the exact length required for your application. It is used across various engine bay systems, including vacuum circuits, fuel system connections, and emissions-related components.

Fits:
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 914 (1970-1976)  

Manufactured for durability and flexibility, this hose ensures reliable performance under engine bay conditions, making it ideal for maintenance, repair, or full restoration of classic Porsche models.

Key Features

• 3.2mm internal diameter vacuum hose
• 7mm outer diameter for correct fitment
• Sold per metre for custom lengths
• Suitable for Porsche 911 and 911 Turbo (1970–1977)
• Multi-use across vacuum and fuel systems
• Flexible and durable construction
• OEM-style specification

Function and Purpose

This vacuum hose is used across multiple engine systems.

It helps to:
• Maintain vacuum pressure for engine operation
• Connect vacuum-controlled components
• Support fuel system and carburettor functions
• Ensure proper airflow and system balance
• Enable reliable engine performance

Why Replace Vacuum Hoses

Over time, rubber hoses degrade due to heat and age.

Common issues include:
• Cracking or splitting
• Vacuum leaks affecting performance
• Hardening and loss of flexibility
• Reduced system efficiency

Replacing old hoses restores proper vacuum function and engine reliability.



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

PAF020353
99918171040
N0203531
N0203535
PCG0203535
PAF020353

The product you are viewing cross references to these numbers
DISPLAYING 65 to 71 (of 71 products)
<< 2 3 4 5
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About Hoses / Pipes / Sleeves

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.

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