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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram

Hoses / Pipes / Sleeves

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DISPLAYING 17 to 21 (of 21 products)
1 2
Special Order item
92811024100
Product Information
Product Information

Air Intake Rubber Sleeve – Intake Hose Connector
Sold each - 8 required per car

High-quality replacement rubber sleeve for the air intake system, designed for Porsche 928 and 928S models equipped with M2811, M2812, M2821 and M2822 engine variants.

Fits:

  • Porsche 928S 4.7L 1981-83  (engine type M2811, M2812)
  • Porsche 928S2 4.7L 1984-86 (engine type M2821, M2822)

Diagram ref no 37

This rubber sleeve connects key intake components, ensuring a secure and airtight pathway for incoming air. Proper sealing is essential to maintain accurate air metering and optimal engine performance.

Manufactured to OEM specifications, this intake sleeve provides precise fitment and long-lasting durability—ideal for restoring intake system integrity and resolving air leaks.

Key Features

• Direct replacement air intake rubber sleeve
• Suitable for Porsche 928 and 928S models
• Designed for M28 engine variants
• Ensures airtight connection within intake system
• OEM-style fit and flexibility
• Durable rubber construction resistant to heat and ageing

Function and Purpose

This rubber sleeve connects intake system components and ensures proper airflow.

It helps to:

• Prevent unmetered air entering the engine
• Maintain correct air-fuel mixture
• Support smooth engine performance
• Improve efficiency and throttle response

Why Replace Your Intake Rubber Sleeve

Over time, intake hoses and sleeves can deteriorate due to heat and engine bay conditions.

Common issues include:

• Cracking or splitting rubber
• Air leaks causing poor engine performance
• Rough idle or hesitation
• Reduced efficiency

Replacing the sleeve restores proper intake sealing and performance.



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Related, superseded, cross reference or alternative numbers for comparison.

92811024100
92811024100

The product you are viewing cross references to these numbers
92811024100/1
Product Information
Product Information

Air Intake Rubber Sleeve – Intake Hose Connector
Sold each - 8 required per car

High-quality replacement rubber sleeve for the air intake system, designed for Porsche 928 and 928S models equipped with M2811, M2812, M2821 and M2822 engine variants.

Fits:

  • Porsche 928S 4.7L 1981-83  (engine type M2811, M2812)
  • Porsche 928S2 4.7L 1984-86 (engine type M2821, M2822)

Diagram ref no 37

This rubber sleeve connects key intake components, ensuring a secure and airtight pathway for incoming air. Proper sealing is essential to maintain accurate air metering and optimal engine performance.

Manufactured to OEM specifications, this intake sleeve provides precise fitment and long-lasting durability—ideal for restoring intake system integrity and resolving air leaks.

Key Features

• Direct replacement air intake rubber sleeve
• Suitable for Porsche 928 and 928S models
• Designed for M28 engine variants
• Ensures airtight connection within intake system
• OEM-style fit and flexibility
• Durable rubber construction resistant to heat and ageing

Function and Purpose

This rubber sleeve connects intake system components and ensures proper airflow.

It helps to:

• Prevent unmetered air entering the engine
• Maintain correct air-fuel mixture
• Support smooth engine performance
• Improve efficiency and throttle response

Why Replace Your Intake Rubber Sleeve

Over time, intake hoses and sleeves can deteriorate due to heat and engine bay conditions.

Common issues include:

• Cracking or splitting rubber
• Air leaks causing poor engine performance
• Rough idle or hesitation
• Reduced efficiency

Replacing the sleeve restores proper intake sealing and performance.



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

92811024100
92811024100

The product you are viewing cross references to these numbers
CLAMP-KIT145
Product Information
Product Information
Stainless steel clamp kit for Turbo inlet hose kit

doeighteight

To Fit:
For Turbo inlet hose kit #DO88-KIT145S
Porsche 911 (930 Turbo) 1978-1989 with 3.3 Litre Turbo engine

Kit of 6 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-KIT145
93011013702
93011015801
93011015801

The product you are viewing cross references to these numbers
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
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
DISPLAYING 17 to 21 (of 21 products)
1 2
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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