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Hoses / Pipes / Sleeves
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DO88-KIT144S
Product Information
Made from high quality silicone rubber with 3 layer polyester reinforcement.
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
Product Information
Silicone turbo vacuum hose kit.Made from high quality silicone rubber with 3 layer polyester reinforcement.
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Related, superseded, cross reference or alternative numbers for comparison.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
Vehicle Group
Vehicle Group
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £57.74
In Stock - 3- 5 Days Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
CLAMP-KIT144
Product Information
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
Product Information
Turbo vacuum hoses clamp kit. 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
Vehicle Group
Vehicle Group
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £30.27
Orderable - 9 to 17 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
92811022001
Product Information
This Genuine Porsche vacuum hose is used on Porsche 928 models within the intake/vacuum hose system and is associated with the brake booster vacuum circuit.
Fits:
Porsche 928 S4 1987 – 1991
Porsche 928 GT 1989 – 1991
Porsche 928 GTS 1992 – 1995
Diagram ref no 12
This hose is commonly described as the hose from the left intake side cover to the brake venturi “Y”.
Functions
• Routes vacuum through the engine intake/vacuum system
• Supports correct brake booster vacuum supply
• Helps maintain proper vacuum assistance for the braking system
• Connects the left intake side cover area to the brake venturi “Y” connection
• Helps prevent vacuum leaks that can affect idle quality and engine running
• Maintains correct factory hose routing and fitment
• Replaces aged, brittle, cracked or leaking original vacuum hose
• Provides OE Porsche fitment for the 928 vacuum system.
Why Replace This Part?
Vacuum hoses become brittle, cracked, hardened or loose with age and heat exposure. A leaking vacuum hose can allow unmetered air into the system, which may cause rough idle, poor running, hesitation or reduced brake booster vacuum performance. Replacing the original hose with a Genuine Porsche OE vacuum hose helps restore the correct vacuum circuit, supports brake booster assistance and keeps the engine vacuum system operating as intended.
When to Replace This Part
• If the hose is cracked, brittle, split or hardened
• If there is a vacuum leak or hissing noise
• If the engine has rough idle or poor running caused by unmetered air
• If brake assistance feels reduced or inconsistent
• During intake, vacuum system or brake booster vacuum repairs
• During engine bay restoration or preventative maintenance
• When replacing old, non-original or incorrectly routed vacuum hose
• Before recommissioning a Porsche 928 that has been stored long-term.
Where It Fits on the Car
This hose fits in the engine bay vacuum system of the Porsche 928. It is associated with the LH-Jetronic intake hose system and connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit. Parts diagrams show this hose as diagram reference no. 12 in the LH-Jetronic hose section.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022001
The product you are viewing cross references to these numbers
Product Information
Vacuum hose / Brake booster lineThis Genuine Porsche vacuum hose is used on Porsche 928 models within the intake/vacuum hose system and is associated with the brake booster vacuum circuit.
Fits:
Porsche 928 S4 1987 – 1991
Porsche 928 GT 1989 – 1991
Porsche 928 GTS 1992 – 1995
Diagram ref no 12
This hose is commonly described as the hose from the left intake side cover to the brake venturi “Y”.
Functions
• Routes vacuum through the engine intake/vacuum system
• Supports correct brake booster vacuum supply
• Helps maintain proper vacuum assistance for the braking system
• Connects the left intake side cover area to the brake venturi “Y” connection
• Helps prevent vacuum leaks that can affect idle quality and engine running
• Maintains correct factory hose routing and fitment
• Replaces aged, brittle, cracked or leaking original vacuum hose
• Provides OE Porsche fitment for the 928 vacuum system.
Why Replace This Part?
Vacuum hoses become brittle, cracked, hardened or loose with age and heat exposure. A leaking vacuum hose can allow unmetered air into the system, which may cause rough idle, poor running, hesitation or reduced brake booster vacuum performance. Replacing the original hose with a Genuine Porsche OE vacuum hose helps restore the correct vacuum circuit, supports brake booster assistance and keeps the engine vacuum system operating as intended.
When to Replace This Part
• If the hose is cracked, brittle, split or hardened
• If there is a vacuum leak or hissing noise
• If the engine has rough idle or poor running caused by unmetered air
• If brake assistance feels reduced or inconsistent
• During intake, vacuum system or brake booster vacuum repairs
• During engine bay restoration or preventative maintenance
• When replacing old, non-original or incorrectly routed vacuum hose
• Before recommissioning a Porsche 928 that has been stored long-term.
Where It Fits on the Car
This hose fits in the engine bay vacuum system of the Porsche 928. It is associated with the LH-Jetronic intake hose system and connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit. Parts diagrams show this hose as diagram reference no. 12 in the LH-Jetronic hose section.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022001
92811022000
92811022001
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £44.60
Orderable - 22 to 44 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
92811022001/1
Product Information
This OE Match vacuum hose / brake booster line is a replacement engine bay vacuum hose for Porsche 928 models from 1987 to 1995. It is associated with the LH-Jetronic intake hose system and is designed to match the original-style fitment and function within the brake booster vacuum circuit.
Fits:
Porsche 928 S4 1987 – 1991
Porsche 928 GT 1989 – 1991
Porsche 928 GTS 1992 – 1995
Diagram ref no 12
The hose carries vacuum from the engine intake system to the brake booster vacuum circuit. It connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum line arrangement, helping maintain the vacuum supply required for brake servo assistance and correct vacuum system operation.
Functions
• Connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit
• Carries engine vacuum through the engine bay vacuum system
• Supports brake booster / brake servo vacuum supply
• Helps maintain correct vacuum pressure in the brake assist circuit
• Supports reliable brake pedal assistance
• Replaces cracked, split, hardened, or leaking original vacuum hoses
• OE Match replacement for Porsche 928 vacuum and brake booster system repair.
Why Replace This Part?
Vacuum hoses can become hard, brittle, cracked, loose, or split due to heat, age, engine bay conditions, and long-term vacuum load. A damaged brake booster vacuum hose can cause vacuum leaks, poor brake servo assistance, rough idle, running issues, or faults in connected vacuum-controlled systems. Replacing the hose helps restore proper sealing, reliable vacuum supply, and safe brake assist function.
When to Replace This Part
• The vacuum hose is cracked, split, brittle, or perished
• The hose is loose or no longer seals correctly
• Vacuum leaks are suspected in the engine bay
• Brake pedal assistance feels reduced or inconsistent
• The brake booster / servo vacuum circuit is being repaired
• The LH-Jetronic intake hose system is being serviced
• The vehicle is undergoing Porsche 928 engine bay or braking system restoration.
Where it fits on the car
This hose fits in the engine bay vacuum system of the Porsche 928. It is associated with the LH-Jetronic intake hose system and connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022001
The product you are viewing cross references to these numbers
Product Information
Vacuum hose / Brake booster lineThis OE Match vacuum hose / brake booster line is a replacement engine bay vacuum hose for Porsche 928 models from 1987 to 1995. It is associated with the LH-Jetronic intake hose system and is designed to match the original-style fitment and function within the brake booster vacuum circuit.
Fits:
Porsche 928 S4 1987 – 1991
Porsche 928 GT 1989 – 1991
Porsche 928 GTS 1992 – 1995
Diagram ref no 12
The hose carries vacuum from the engine intake system to the brake booster vacuum circuit. It connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum line arrangement, helping maintain the vacuum supply required for brake servo assistance and correct vacuum system operation.
Functions
• Connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit
• Carries engine vacuum through the engine bay vacuum system
• Supports brake booster / brake servo vacuum supply
• Helps maintain correct vacuum pressure in the brake assist circuit
• Supports reliable brake pedal assistance
• Replaces cracked, split, hardened, or leaking original vacuum hoses
• OE Match replacement for Porsche 928 vacuum and brake booster system repair.
Why Replace This Part?
Vacuum hoses can become hard, brittle, cracked, loose, or split due to heat, age, engine bay conditions, and long-term vacuum load. A damaged brake booster vacuum hose can cause vacuum leaks, poor brake servo assistance, rough idle, running issues, or faults in connected vacuum-controlled systems. Replacing the hose helps restore proper sealing, reliable vacuum supply, and safe brake assist function.
When to Replace This Part
• The vacuum hose is cracked, split, brittle, or perished
• The hose is loose or no longer seals correctly
• Vacuum leaks are suspected in the engine bay
• Brake pedal assistance feels reduced or inconsistent
• The brake booster / servo vacuum circuit is being repaired
• The LH-Jetronic intake hose system is being serviced
• The vehicle is undergoing Porsche 928 engine bay or braking system restoration.
Where it fits on the car
This hose fits in the engine bay vacuum system of the Porsche 928. It is associated with the LH-Jetronic intake hose system and connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022001
92811022000
92811022001
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £19.90
Orderable - 3 to 6 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
92811022400
Product Information
The Genuine Porsche 92811022400 hose is a factory vacuum / air guide hose for Porsche 928 S4, GT and GTS 1987–1995 models. It fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide system, helping maintain correct vacuum routing, intake sealing and brake vacuum assist function. Ideal for replacing cracked, hardened or leaking original hoses while preserving Genuine Porsche fitment and quality.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
This hose is associated with the left “Y” at the air guide elbow to brake venturi connection on Porsche 928 S4 / GT / GTS models.
What This Part Does / Functions
• Routes vacuum / intake air between the air guide elbow and brake venturi circuit
• Connects at the left “Y” fitting in the engine air guide system
• Supports correct suction jet pump / brake venturi operation
• Helps maintain proper brake vacuum assist system function
• Helps keep the intake and vacuum system sealed
• Replaces a cracked, hardened, split or collapsed original hose
• Provides correct Genuine Porsche hose shape, routing and fitment
• Helps prevent vacuum leaks and related engine running issues.
Why Replace This Part?
Vacuum and air guide hoses on the Porsche 928 are exposed to heat, engine movement, oil vapour, intake vacuum and age-related rubber deterioration. Over time, the hose can harden, split, crack, collapse or become loose at its connection points. A leaking hose in this area can affect the intake vacuum circuit and brake venturi / suction jet pump system. This may lead to poor idle quality, vacuum loss, reduced brake assist performance or general intake air leak symptoms. Replacing it with a Genuine Porsche hose helps restore the correct factory routing and sealing of the air guide / vacuum system.
Common Symptoms of a Faulty Hose
• Cracked, hardened or split rubber hose
• Vacuum leak from the intake / air guide system
• Poor idle quality
• Engine hesitation or rough running
• Hissing noise from the engine bay
• Reduced or inconsistent brake vacuum assist
• Loose or damaged connection at the left “Y” fitting
• Hose collapse or deformation from age and vacuum
• Damage found during intake system or brake vacuum system service.
When to Replace This Part
• If the original hose is cracked, brittle, split or leaking
• During intake manifold, air guide or vacuum system service
• When servicing the suction jet pump / brake venturi circuit
• If vacuum loss is traced to this hose
• When replacing aged rubber hoses on a Porsche 928
• During engine bay restoration
• If the hose no longer seals correctly at the “Y” fitting or brake venturi connection
• When restoring the system with Genuine Porsche parts.
Where It Fits on the Car
This hose fits in the engine bay intake / vacuum system of the Porsche 928. It runs from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide connection.
Correct routing is important because this hose is part of the vacuum and air guide system that supports the brake vacuum assist circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
The product you are viewing cross references to these numbers
Product Information
Vacuum hoseThe Genuine Porsche 92811022400 hose is a factory vacuum / air guide hose for Porsche 928 S4, GT and GTS 1987–1995 models. It fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide system, helping maintain correct vacuum routing, intake sealing and brake vacuum assist function. Ideal for replacing cracked, hardened or leaking original hoses while preserving Genuine Porsche fitment and quality.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
This hose is associated with the left “Y” at the air guide elbow to brake venturi connection on Porsche 928 S4 / GT / GTS models.
What This Part Does / Functions
• Routes vacuum / intake air between the air guide elbow and brake venturi circuit
• Connects at the left “Y” fitting in the engine air guide system
• Supports correct suction jet pump / brake venturi operation
• Helps maintain proper brake vacuum assist system function
• Helps keep the intake and vacuum system sealed
• Replaces a cracked, hardened, split or collapsed original hose
• Provides correct Genuine Porsche hose shape, routing and fitment
• Helps prevent vacuum leaks and related engine running issues.
Why Replace This Part?
Vacuum and air guide hoses on the Porsche 928 are exposed to heat, engine movement, oil vapour, intake vacuum and age-related rubber deterioration. Over time, the hose can harden, split, crack, collapse or become loose at its connection points. A leaking hose in this area can affect the intake vacuum circuit and brake venturi / suction jet pump system. This may lead to poor idle quality, vacuum loss, reduced brake assist performance or general intake air leak symptoms. Replacing it with a Genuine Porsche hose helps restore the correct factory routing and sealing of the air guide / vacuum system.
Common Symptoms of a Faulty Hose
• Cracked, hardened or split rubber hose
• Vacuum leak from the intake / air guide system
• Poor idle quality
• Engine hesitation or rough running
• Hissing noise from the engine bay
• Reduced or inconsistent brake vacuum assist
• Loose or damaged connection at the left “Y” fitting
• Hose collapse or deformation from age and vacuum
• Damage found during intake system or brake vacuum system service.
When to Replace This Part
• If the original hose is cracked, brittle, split or leaking
• During intake manifold, air guide or vacuum system service
• When servicing the suction jet pump / brake venturi circuit
• If vacuum loss is traced to this hose
• When replacing aged rubber hoses on a Porsche 928
• During engine bay restoration
• If the hose no longer seals correctly at the “Y” fitting or brake venturi connection
• When restoring the system with Genuine Porsche parts.
Where It Fits on the Car
This hose fits in the engine bay intake / vacuum system of the Porsche 928. It runs from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide connection.
Correct routing is important because this hose is part of the vacuum and air guide system that supports the brake vacuum assist circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
92811022400
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £55.12
Orderable - 7 to 10 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
92811022400/1
Product Information
OE Match vacuum hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement hose fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide, helping restore correct vacuum routing and intake system operation.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
The vacuum hose routes vacuum between the left “Y” connection at the air guide elbow and the brake venturi / suction jet pump air guide. Correct vacuum hose sealing helps maintain proper vacuum supply, supports brake assist operation, and prevents unmetered air or vacuum leaks that can affect engine running.
Functions
• Replaces the vacuum hose
• Fits from the left “Y” at the air guide elbow
• Connects to the brake venturi / suction jet pump air guide
• Supports correct vacuum routing
• Helps maintain brake vacuum assist system operation
• Helps prevent vacuum leaks and poor running
• Suitable for intake system service, vacuum leak repair, or engine bay restoration
• OE Match replacement for Porsche 928 S4, GT, and GTS vacuum system maintenance.
Why Replace This Part?
Vacuum hoses can harden, crack, split, collapse, or become loose due to age, heat, oil vapour exposure, and engine bay conditions. A damaged vacuum hose may cause vacuum leaks, rough idle, hesitation, poor throttle response, brake assist issues, intake air leaks, or incorrect vacuum system operation. Replacing the hose helps restore correct vacuum sealing and reliable system function.
When to Replace This Part
• Vacuum hose is cracked, brittle, split, collapsed, or leaking
• Rough idle, hesitation, or poor running is present
• Vacuum leak symptoms are detected
• Brake assist feels inconsistent or reduced
• Air guide elbow or suction jet pump area is being serviced
• Engine vacuum system maintenance is being carried out
• Vehicle is undergoing Porsche 928 engine bay restoration or refresh.
Where it fits on the car
This hose fits within the engine intake and vacuum system, running from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide on Porsche 928 S4, GT, and GTS models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
The product you are viewing cross references to these numbers
Product Information
Vacuum hoseOE Match vacuum hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement hose fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide, helping restore correct vacuum routing and intake system operation.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
The vacuum hose routes vacuum between the left “Y” connection at the air guide elbow and the brake venturi / suction jet pump air guide. Correct vacuum hose sealing helps maintain proper vacuum supply, supports brake assist operation, and prevents unmetered air or vacuum leaks that can affect engine running.
Functions
• Replaces the vacuum hose
• Fits from the left “Y” at the air guide elbow
• Connects to the brake venturi / suction jet pump air guide
• Supports correct vacuum routing
• Helps maintain brake vacuum assist system operation
• Helps prevent vacuum leaks and poor running
• Suitable for intake system service, vacuum leak repair, or engine bay restoration
• OE Match replacement for Porsche 928 S4, GT, and GTS vacuum system maintenance.
Why Replace This Part?
Vacuum hoses can harden, crack, split, collapse, or become loose due to age, heat, oil vapour exposure, and engine bay conditions. A damaged vacuum hose may cause vacuum leaks, rough idle, hesitation, poor throttle response, brake assist issues, intake air leaks, or incorrect vacuum system operation. Replacing the hose helps restore correct vacuum sealing and reliable system function.
When to Replace This Part
• Vacuum hose is cracked, brittle, split, collapsed, or leaking
• Rough idle, hesitation, or poor running is present
• Vacuum leak symptoms are detected
• Brake assist feels inconsistent or reduced
• Air guide elbow or suction jet pump area is being serviced
• Engine vacuum system maintenance is being carried out
• Vehicle is undergoing Porsche 928 engine bay restoration or refresh.
Where it fits on the car
This hose fits within the engine intake and vacuum system, running from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide on Porsche 928 S4, GT, and GTS models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
92811022400
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £29.95
Orderable - 21 to 43 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
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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