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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://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Hoses / Pipes / Sleeves

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DISPLAYING 1 to 14 (of 14 products)
Special Order item
98711022001
Product Information
Product Information
Air Guide For Air Cleaner.

Fits:
Porsche 986 Boxster 1997>>2004
Cars With Option Codes:
091 - Special Model '50 Years Spyder'

Diagram Ref No 8

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Related, superseded, cross reference or alternative numbers for comparison.

98711022001
98711022001
9871102000

The product you are viewing cross references to these numbers
Special Order item
99611316400
Product Information
Product Information
Air injection hose - air pump to shut off valve.

porsche

Fits:
Stricter emission-control concept (option code: 661)
Porsche 986 Boxster 2.7L / 3.2L 2000-02

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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99611316400
99611316400
99611323905
99611323906

The product you are viewing cross references to these numbers
Special Order item
99611323905
Product Information
Product Information
Air injection hose - air pump to shut off valve.

porsche

Fits:
Stricter emission-control concept (option code: 661)
Porsche 986 Boxster 2.7L / 3.2L 2000-02

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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Related, superseded, cross reference or alternative numbers for comparison.

99611323905
99611316400
99611323905
99611323906

The product you are viewing cross references to these numbers
Special Order item
99611323906
Product Information
Product Information
Air injection hose - air pump to shut off valve.

porsche

Fits:
Obd 2 (option code: 660)

Stricter emission-control concept (option code: 661)
Porsche 986 Boxster 2.7L / 3.2L 2000-02

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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Related, superseded, cross reference or alternative numbers for comparison.

99611323906
99611316400
99611323905
99611323906

The product you are viewing cross references to these numbers
Special Order item
99711068500
Product Information
Product Information
Air intake manifold rubber sleeve.
porsche

Fits:
Porsche 987 Boxster / Boxster S 2007-08 M97.20/21/22 engines
2.7L 2007-08 (not for 2005-06)
3.4L 2007-08

Porsche 987 Cayman / Cayman S 2006-08
engines M97.20/21

Porsche 997 C2 / C2S / C4 / C4S 2005-08
engines M96.05 / M97.01

Click 'Zoom in' for large parts diagram.
Diagram ref no 10.

Price is for each.

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99711068500
99711068500

The product you are viewing cross references to these numbers
Special Order item
98711027030
Product Information
Product Information
Air intake hose from air mass sensor to engine.
porsche

Fits:
Porsche Boxster 987 MKII 2009-12
Porsche Cayman 987C MKII 2009-12

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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98711027030
98711027030

The product you are viewing cross references to these numbers
Special Order item
98711022201
Product Information
Product Information
Air intake hose, for air cleaner.

porsche

Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987C.1 Cayman 2006-08

Click 'Zoom in' for large parts diagram.
Diagram ref no 16

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98711022201
98711022201
98711022202

The product you are viewing cross references to these numbers
Special Order item
99611002705
Product Information
Product Information
Air Intake Tube For vehicles with Tiptronic transmission
porsche

Fits:
Porsche 986 Boxster 2001-04 Tiptronic Transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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99611002705
99611002705

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Special Order item
9A111301702
Product Information
Product Information
Connecting line, 1-3 cyl.

porsche

Fits:
Porsche 987.2 Boxster 2.9L 2009-12
Porsche 987C.2 Cayman 2.9L 2009-12

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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9A111301702
9A111301702
9A111301701

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Special Order item
9A111301802
Product Information
Product Information
Connecting line, Cyl. 4-6.
porsche

Fits:
Porsche 987.2 Boxster 2.9L 2009-12
Porsche 987C.2 Cayman 2.9L 2009-12

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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9A111301802
9A111301802
9A111301801

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Special Order item
99951255400
Product Information
Product Information
Hose clamp, 12-22 mm - Various Applications.

porsche

Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 986 Boxster - 1997 to 2004
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008



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99951255400
99951255400

The product you are viewing cross references to these numbers
Special Order item
99611068553
Product Information
Product Information
Intake manifold to air distributor rubber sleeve, designed to ensure proper sealing and airflow in the intake system. It replaces part numbers 996.110.685.51 and 996.110.685.52. This rubber sleeve provides excellent durability, vibration resistance, and leak-free performance, ensuring smooth engine operation.
Sold each.

Fits:
Porsche 996 C2 / C4 / C4S 1998 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 986 Boxster 1997 - 2004

Diagram ref no 11

•  Acts as a flexible connector / sleeve within the intake manifold, helping bridge or seal parts of the intake path.
•  Helps ensure proper air flow sealing between sections of the intake manifold or throttle body / related components.
•  Reduces risk of air leaks, which can affect engine performance, idle stability, emissions, or cause unwanted engine behaviour.
•  The rubber material accommodates vibration, thermal expansion & contraction, and slight movement in the intake assembly.

Related reference numbers
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99611068553
99611068551
99611068552
99611068553

The product you are viewing cross references to these numbers
99611068553/1
Product Information
Product Information
Intake manifold to air distributor rubber sleeve.
This intake manifold sleeve is a high-quality replacement, designed for the Porsche Boxster 986. This rubber sleeve ensures a proper seal between intake components, maintaining smooth airflow and reliable engine performance.
Sold each.


Fits:
Porsche 996 C2 / C4 / C4S 1998 - 2005
Porsche 996 GT3 1999 - 2005
Porsche 986 Boxster 1997 - 2004

Diagram ref no 11

•  Manufactured from durable, heat-resistant materials, this sleeve offers excellent vibration absorption and long service life.
•  Direct-fit replacement for OE part numbers 996.110.685.51 / .52 / .53
•  Maintains airtight sealing and correct airflow
•  Cost-effective alternative with dependable performance

Related reference numbers
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99611068553
99611068552
99611068551
99611068553

The product you are viewing cross references to these numbers
Special Order item
99611012053
Product Information
Product Information
Resonance Tube Intake Sleeve.

porsche

Fits:
Porsche 987 Boxster / Boxster S 2007-08
Porsche 987C Cayman / Cayman S 2006-08
Porsche 996 Carrera 2 / 4 / 4S 1998-04
Porsche 997 Carrera 2 / 2S / 4 / 4S 2005-08
Porsche 996 GT3 2000-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

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99611012053
99611012053

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DISPLAYING 1 to 14 (of 14 products)
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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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